arkei | c75b223b462ba88c62c1c8d848a845e7aeacc0ec0c96a7ecf1644e782accdd52

Analysis

max time kernel
154s
max time network
156s
platform
windows7_x64
resource
win7v20210408
submitted
26-09-2021 15:12

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General

Target

3dd4ba94c558b54ba1fe639566cbc368.exe
Size

237KB
MD5

3dd4ba94c558b54ba1fe639566cbc368
SHA1

8c44f1c918c3d2fd48694e8af653e473be3e02c1
SHA256

c75b223b462ba88c62c1c8d848a845e7aeacc0ec0c96a7ecf1644e782accdd52
SHA512

58e828507bd3be52ea340ed835c3dc06a655db0a067c746ef65e7382d2b09eb5e7d6847dc679b89539826b598749e60ddf62859e25930b8e586acc11228bb1fa

Malware Config

Extracted

Family

smokeloader

Version

2020

http://naghenrietti1.top/

http://kimballiett2.top/

http://xadriettany3.top/

http://jebeccallis4.top/

http://nityanneron5.top/

http://umayaniela6.top/

http://lynettaram7.top/

http://sadineyalas8.top/

http://geenaldencia9.top/

http://aradysiusep10.top/

rc4.i32

Extracted

Family

redline

Botnet

installszxc

138.124.186.2:27999

Extracted

Family

redline

Botnet

z0rm1onbuild

45.156.21.209:56326

Extracted

Family

raccoon

Botnet

b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7

Attributes

url4cnc
https://t.me/hcdrom1

rc4.plain

Extracted

Family

raccoon

Botnet

5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4

Attributes

url4cnc
https://t.me/agrybirdsgamerept

rc4.plain

Extracted

Family

redline

Botnet

Bliss

185.237.98.178:62607

Extracted

Family

redline

Botnet

karma

94.103.9.133:39323

Signatures

Arkei
Arkei is an infostealer written in C++.
stealer arkei
Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
botnet chinese_generic_botnet
Raccoon
Simple but powerful infostealer which was very active in 2019.
stealer raccoon
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 8 IoCs

resource	yara_rule
behavioral1/files/0x00030000000130d1-91.dat	family_redline
behavioral1/files/0x00030000000130d1-93.dat	family_redline
behavioral1/files/0x00030000000130d1-94.dat	family_redline
behavioral1/memory/1752-99-0x0000000000650000-0x000000000066E000-memory.dmp	family_redline
behavioral1/memory/2348-149-0x00000000020C0000-0x00000000020E3000-memory.dmp	family_redline
behavioral1/memory/2332-151-0x0000000000530000-0x000000000054F000-memory.dmp	family_redline
behavioral1/memory/2348-153-0x00000000020F0000-0x0000000002112000-memory.dmp	family_redline
behavioral1/memory/2332-154-0x0000000001EE0000-0x0000000001EFE000-memory.dmp	family_redline

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Arkei Stealer Payload 1 IoCs

stealer

resource	yara_rule
behavioral1/memory/344-124-0x0000000000400000-0x000000000044D000-memory.dmp	family_arkei

Chinese Botnet Payload 1 IoCs

botnet

resource	yara_rule
behavioral1/memory/2384-168-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Downloads MZ/PE file

Executes dropped EXE 16 IoCs

pid	Process
2008	DD15.exe
2040	E485.exe
1976	DD15.exe
1840	EF40.exe
1752	F337.exe
568	Stub.exe
1652	3AC.exe
1092	B3B.exe
1704	1116.exe
344	16D1.exe
1004	1B35.exe
2332	SindonsWelfare_2021-09-26_15-02.exe
2348	SolanumsYoghurt_2021-09-26_14-52.exe
2384	fbf.exe
2976	Uuuocai.exe
3056	Uuuocai.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	E485.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	E485.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	B3B.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	B3B.exe

Deletes itself 1 IoCs

pid	Process
1208	Process not Found

Loads dropped DLL 7 IoCs

pid	Process
2008	DD15.exe
1840	EF40.exe
344	16D1.exe
344	16D1.exe
344	16D1.exe
344	16D1.exe
344	16D1.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/files/0x00050000000130cd-68.dat	themida
behavioral1/memory/2040-71-0x00000000010C0000-0x00000000010C1000-memory.dmp	themida
behavioral1/files/0x00040000000130d4-111.dat	themida
behavioral1/memory/1092-114-0x0000000000980000-0x0000000000981000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	E485.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	B3B.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\K:	fbf.exe
File opened (read-only)	\??\N:	fbf.exe
File opened (read-only)	\??\O:	fbf.exe
File opened (read-only)	\??\P:	fbf.exe
File opened (read-only)	\??\Q:	fbf.exe
File opened (read-only)	\??\R:	fbf.exe
File opened (read-only)	\??\V:	fbf.exe
File opened (read-only)	\??\B:	fbf.exe
File opened (read-only)	\??\F:	fbf.exe
File opened (read-only)	\??\H:	fbf.exe
File opened (read-only)	\??\M:	fbf.exe
File opened (read-only)	\??\Y:	fbf.exe
File opened (read-only)	\??\X:	fbf.exe
File opened (read-only)	\??\E:	fbf.exe
File opened (read-only)	\??\I:	fbf.exe
File opened (read-only)	\??\L:	fbf.exe
File opened (read-only)	\??\U:	fbf.exe
File opened (read-only)	\??\W:	fbf.exe
File opened (read-only)	\??\Z:	fbf.exe
File opened (read-only)	\??\G:	fbf.exe
File opened (read-only)	\??\J:	fbf.exe
File opened (read-only)	\??\S:	fbf.exe
File opened (read-only)	\??\T:	fbf.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	Uuuocai.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	Uuuocai.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2040	E485.exe
1092	B3B.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 2008 set thread context of 1976	2008	DD15.exe	29

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe	fbf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe	fbf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dd4ba94c558b54ba1fe639566cbc368.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	DD15.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	DD15.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	DD15.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dd4ba94c558b54ba1fe639566cbc368.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	3dd4ba94c558b54ba1fe639566cbc368.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fbf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	fbf.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	16D1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	16D1.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2208	timeout.exe

Modifies data under HKEY_USERS 49 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadDecisionReason = "1"	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a070022000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\a6-53-ad-b4-43-80	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadDecisionReason = "1"	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadDecisionTime = d0d99bf7f9b2d701	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDetectedUrl	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadDecision = "0"	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadDecision = "0"	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecision = "0"	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecisionReason = "1"	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecisionReason = "1"	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecisionTime = b04022eef9b2d701	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\a6-53-ad-b4-43-80	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecisionTime = d0d99bf7f9b2d701	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a070022000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadNetworkName = "Network"	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecisionTime = b04022eef9b2d701	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadDecisionTime = b04022eef9b2d701	Uuuocai.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-53-ad-b4-43-80\WpadDecision = "0"	Uuuocai.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a070022000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Uuuocai.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3A33DB50-CC69-497D-AB93-6EAB524EB9A7}\WpadNetworkName = "Network"	Uuuocai.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	Uuuocai.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1644	3dd4ba94c558b54ba1fe639566cbc368.exe
1644	3dd4ba94c558b54ba1fe639566cbc368.exe
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
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1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1208	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1644	3dd4ba94c558b54ba1fe639566cbc368.exe
1976	DD15.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeDebugPrivilege	1840	EF40.exe
Token: SeDebugPrivilege	1752	F337.exe
Token: 33	1752	F337.exe
Token: SeIncBasePriorityPrivilege	1752	F337.exe
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeDebugPrivilege	2040	E485.exe
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeDebugPrivilege	568	Stub.exe
Token: SeDebugPrivilege	1092	B3B.exe
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeShutdownPrivilege	1208	Process not Found
Token: SeDebugPrivilege	2332	SindonsWelfare_2021-09-26_15-02.exe
Token: SeDebugPrivilege	2348	SolanumsYoghurt_2021-09-26_14-52.exe
Token: SeShutdownPrivilege	1208	Process not Found

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1208	Process not Found
1208	Process not Found
1208	Process not Found
1208	Process not Found

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2384	fbf.exe
2976	Uuuocai.exe
3056	Uuuocai.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1652 wrote to memory of 1644	1652	3dd4ba94c558b54ba1fe639566cbc368.exe	25
PID 1208 wrote to memory of 2008	1208	Process not Found	26
PID 1208 wrote to memory of 2008	1208	Process not Found	26
PID 1208 wrote to memory of 2008	1208	Process not Found	26
PID 1208 wrote to memory of 2008	1208	Process not Found	26
PID 1208 wrote to memory of 2040	1208	Process not Found	27
PID 1208 wrote to memory of 2040	1208	Process not Found	27
PID 1208 wrote to memory of 2040	1208	Process not Found	27
PID 1208 wrote to memory of 2040	1208	Process not Found	27
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 2008 wrote to memory of 1976	2008	DD15.exe	29
PID 1208 wrote to memory of 1840	1208	Process not Found	30
PID 1208 wrote to memory of 1840	1208	Process not Found	30
PID 1208 wrote to memory of 1840	1208	Process not Found	30
PID 1208 wrote to memory of 1840	1208	Process not Found	30
PID 1208 wrote to memory of 1752	1208	Process not Found	31
PID 1208 wrote to memory of 1752	1208	Process not Found	31
PID 1208 wrote to memory of 1752	1208	Process not Found	31
PID 1840 wrote to memory of 568	1840	EF40.exe	34
PID 1840 wrote to memory of 568	1840	EF40.exe	34
PID 1840 wrote to memory of 568	1840	EF40.exe	34
PID 1840 wrote to memory of 568	1840	EF40.exe	34
PID 1208 wrote to memory of 1652	1208	Process not Found	36
PID 1208 wrote to memory of 1652	1208	Process not Found	36
PID 1208 wrote to memory of 1652	1208	Process not Found	36
PID 1208 wrote to memory of 1652	1208	Process not Found	36
PID 1208 wrote to memory of 1092	1208	Process not Found	37
PID 1208 wrote to memory of 1092	1208	Process not Found	37
PID 1208 wrote to memory of 1092	1208	Process not Found	37
PID 1208 wrote to memory of 1092	1208	Process not Found	37
PID 1208 wrote to memory of 1704	1208	Process not Found	40
PID 1208 wrote to memory of 1704	1208	Process not Found	40
PID 1208 wrote to memory of 1704	1208	Process not Found	40
PID 1208 wrote to memory of 1704	1208	Process not Found	40
PID 1208 wrote to memory of 344	1208	Process not Found	41
PID 1208 wrote to memory of 344	1208	Process not Found	41
PID 1208 wrote to memory of 344	1208	Process not Found	41
PID 1208 wrote to memory of 344	1208	Process not Found	41
PID 1208 wrote to memory of 1004	1208	Process not Found	43
PID 1208 wrote to memory of 1004	1208	Process not Found	43
PID 1208 wrote to memory of 1004	1208	Process not Found	43
PID 344 wrote to memory of 2160	344	16D1.exe	45
PID 344 wrote to memory of 2160	344	16D1.exe	45
PID 344 wrote to memory of 2160	344	16D1.exe	45
PID 344 wrote to memory of 2160	344	16D1.exe	45
PID 2160 wrote to memory of 2208	2160	cmd.exe	47
PID 2160 wrote to memory of 2208	2160	cmd.exe	47
PID 2160 wrote to memory of 2208	2160	cmd.exe	47
PID 2160 wrote to memory of 2208	2160	cmd.exe	47
PID 1004 wrote to memory of 2332	1004	1B35.exe	48
PID 1004 wrote to memory of 2332	1004	1B35.exe	48
PID 1004 wrote to memory of 2332	1004	1B35.exe	48
PID 1004 wrote to memory of 2332	1004	1B35.exe	48

C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe
"C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe
  "C:\Users\Admin\AppData\Local\Temp\3dd4ba94c558b54ba1fe639566cbc368.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1644

C:\Users\Admin\AppData\Local\Temp\DD15.exe
C:\Users\Admin\AppData\Local\Temp\DD15.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\DD15.exe
  C:\Users\Admin\AppData\Local\Temp\DD15.exe
  2⤵
  - Executes dropped EXE
  - Checks SCSI registry key(s)
  - Suspicious behavior: MapViewOfSection
  PID:1976

C:\Users\Admin\AppData\Local\Temp\E485.exe
C:\Users\Admin\AppData\Local\Temp\E485.exe
1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:2040

C:\Users\Admin\AppData\Local\Temp\EF40.exe
C:\Users\Admin\AppData\Local\Temp\EF40.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840
- C:\ProgramData\Stub.exe
  "C:\ProgramData\Stub.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:568

C:\Users\Admin\AppData\Local\Temp\F337.exe
C:\Users\Admin\AppData\Local\Temp\F337.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1752

C:\Users\Admin\AppData\Local\Temp\3AC.exe
C:\Users\Admin\AppData\Local\Temp\3AC.exe
1⤵
- Executes dropped EXE
PID:1652

C:\Users\Admin\AppData\Local\Temp\B3B.exe
C:\Users\Admin\AppData\Local\Temp\B3B.exe
1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1092

C:\Users\Admin\AppData\Local\Temp\1116.exe
C:\Users\Admin\AppData\Local\Temp\1116.exe
1⤵
- Executes dropped EXE
PID:1704

C:\Users\Admin\AppData\Local\Temp\16D1.exe
C:\Users\Admin\AppData\Local\Temp\16D1.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\16D1.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 5
    3⤵
    - Delays execution with timeout.exe
    PID:2208

C:\Users\Admin\AppData\Local\Temp\1B35.exe
C:\Users\Admin\AppData\Local\Temp\1B35.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe
  "C:\Users\Admin\AppData\Local\Temp\SindonsWelfare_2021-09-26_15-02.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2332
- C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe
  "C:\Users\Admin\AppData\Local\Temp\SolanumsYoghurt_2021-09-26_14-52.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2348
- C:\Users\Admin\AppData\Local\Temp\fbf.exe
  "C:\Users\Admin\AppData\Local\Temp\fbf.exe"
  2⤵
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in Program Files directory
  - Checks processor information in registry
  - Suspicious use of SetWindowsHookEx
  PID:2384

C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe
"C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe"
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2976
- C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe
  "C:\Program Files (x86)\Microsoft Ouigga\Uuuocai.exe" Win7
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious use of SetWindowsHookEx
  PID:3056

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/344-123-0x0000000000300000-0x000000000032D000-memory.dmp

Filesize
180KB

Download
memory/344-124-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/568-98-0x0000000004330000-0x0000000004331000-memory.dmp

Filesize
4KB

Download
memory/568-95-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1004-130-0x00000000012C0000-0x00000000012C1000-memory.dmp

Filesize
4KB

Download
memory/1092-114-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1092-116-0x0000000005240000-0x0000000005241000-memory.dmp

Filesize
4KB

Download
memory/1208-170-0x000007FEF60C0000-0x000007FEF6203000-memory.dmp

Filesize
1.3MB

Download
memory/1208-171-0x000007FE8DD90000-0x000007FE8DD9A000-memory.dmp

Filesize
40KB

Download
memory/1208-64-0x0000000004B20000-0x0000000004B36000-memory.dmp

Filesize
88KB

Download
memory/1208-97-0x00000000042E0000-0x00000000042F6000-memory.dmp

Filesize
88KB

Download
memory/1644-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1644-62-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1652-63-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1652-106-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/1652-107-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/1652-103-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1652-104-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1652-108-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1652-109-0x0000000000B60000-0x00000000012F3000-memory.dmp

Filesize
7.6MB

Download
memory/1652-105-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/1704-126-0x0000000000400000-0x00000000004F1000-memory.dmp

Filesize
964KB

Download
memory/1704-125-0x0000000000220000-0x00000000002B0000-memory.dmp

Filesize
576KB

Download
memory/1752-89-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1752-137-0x000000001AC76000-0x000000001AC95000-memory.dmp

Filesize
124KB

Download
memory/1752-99-0x0000000000650000-0x000000000066E000-memory.dmp

Filesize
120KB

Download
memory/1752-90-0x000000001AC70000-0x000000001AC72000-memory.dmp

Filesize
8KB

Download
memory/1840-83-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1840-85-0x0000000004C50000-0x0000000004C51000-memory.dmp

Filesize
4KB

Download
memory/2040-79-0x0000000005340000-0x0000000005341000-memory.dmp

Filesize
4KB

Download
memory/2040-71-0x00000000010C0000-0x00000000010C1000-memory.dmp

Filesize
4KB

Download
memory/2332-164-0x00000000048C3000-0x00000000048C4000-memory.dmp

Filesize
4KB

Download
memory/2332-151-0x0000000000530000-0x000000000054F000-memory.dmp

Filesize
124KB

Download
memory/2332-158-0x0000000000230000-0x0000000000260000-memory.dmp

Filesize
192KB

Download
memory/2332-159-0x00000000048C4000-0x00000000048C6000-memory.dmp

Filesize
8KB

Download
memory/2332-152-0x00000000048C1000-0x00000000048C2000-memory.dmp

Filesize
4KB

Download
memory/2332-154-0x0000000001EE0000-0x0000000001EFE000-memory.dmp

Filesize
120KB

Download
memory/2332-162-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2332-163-0x00000000048C2000-0x00000000048C3000-memory.dmp

Filesize
4KB

Download
memory/2348-157-0x0000000004822000-0x0000000004823000-memory.dmp

Filesize
4KB

Download
memory/2348-155-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2348-160-0x0000000004824000-0x0000000004826000-memory.dmp

Filesize
8KB

Download
memory/2348-150-0x00000000001C0000-0x00000000001F7000-memory.dmp

Filesize
220KB

Download
memory/2348-149-0x00000000020C0000-0x00000000020E3000-memory.dmp

Filesize
140KB

Download
memory/2348-153-0x00000000020F0000-0x0000000002112000-memory.dmp

Filesize
136KB

Download
memory/2348-161-0x0000000004823000-0x0000000004824000-memory.dmp

Filesize
4KB

Download
memory/2348-156-0x0000000004821000-0x0000000004822000-memory.dmp

Filesize
4KB

Download
memory/2384-168-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2384-147-0x00000000002B0000-0x000000000036C000-memory.dmp

Filesize
752KB

Download
memory/2384-148-0x0000000000400000-0x00000000004C4000-memory.dmp

Filesize
784KB

Download