redline | 64dc2b5958fe37dd9733928c156e0c75ab544e2e0169f9f796c3f3db809bcbe5

Target

toolspab2 (18).exe
Size

315KB
MD5

1d20e1f65938e837ef1b88f10f1bd6c3
SHA1

703d7098dbfc476d2181b7fc041cc23e49c368f1
SHA256

05cd7440851f13dd8f489bb3c06eba385d85d7d9a77a612049c04c541a88593d
SHA512

f9d333abe1f721b8d45d7bc6b5f286af09a8d233bd1d41f0ad891840cf742364aeca2cb6ccd6543f56a8eaf32804f82f72f961d16d5ba663ad706d164915a196

Score

10^/10

redline smokeloader 1 backdoor discovery evasion infostealer spyware stealer themida trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/

rc4.i32

Extracted

Family

redline

Botnet

45.32.235.238:45555

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 4 IoCs

resource	yara_rule
behavioral19/memory/1300-89-0x0000000000417E96-mapping.dmp	family_redline
behavioral19/memory/1300-91-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral19/memory/1300-88-0x0000000000400000-0x000000000041E000-memory.dmp	family_redline
behavioral19/files/0x00040000000130fb-97.dat	family_redline

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

pid	Process
768	EB2A.exe
804	ECA1.exe
1068	EFAE.exe
956	F4ED.exe
320	F710.exe
544	FB83.exe
1300	EFAE.exe
1160	40C.exe
1284	sdadiiu
980	sdadiiu
1056	sdadiiu
1608	sdadiiu

Checks BIOS information in registry 2 TTPs 2 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	40C.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	40C.exe

Deletes itself 1 IoCs

pid	Process
1288	Process not Found

Loads dropped DLL 3 IoCs

pid	Process
1448	toolspab2 (18).exe
1068	EFAE.exe
1608	sdadiiu

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 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral19/files/0x00040000000130fb-97.dat	themida
behavioral19/memory/1160-100-0x0000000000800000-0x0000000000801000-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 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	40C.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1160	40C.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1084 set thread context of 1448	1084	toolspab2 (18).exe	29
PID 1068 set thread context of 1300	1068	EFAE.exe	34
PID 1284 set thread context of 980	1284	sdadiiu	51
PID 1056 set thread context of 1608	1056	sdadiiu	54

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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	sdadiiu
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	sdadiiu
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	sdadiiu
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2 (18).exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2 (18).exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	toolspab2 (18).exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1448	toolspab2 (18).exe
1448	toolspab2 (18).exe
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1288	Process not Found

Suspicious behavior: MapViewOfSection 20 IoCs

pid	Process
1448	toolspab2 (18).exe
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found
1608	sdadiiu

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeDebugPrivilege	1160	40C.exe
Token: SeDebugPrivilege	1300	EFAE.exe
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found
Token: SeShutdownPrivilege	1288	Process not Found

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1288	Process not Found
1288	Process not Found
1288	Process not Found
1288	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
768	EB2A.exe
804	ECA1.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1084 wrote to memory of 1448	1084	toolspab2 (18).exe	29
PID 1288 wrote to memory of 768	1288	Process not Found	30
PID 1288 wrote to memory of 768	1288	Process not Found	30
PID 1288 wrote to memory of 768	1288	Process not Found	30
PID 1288 wrote to memory of 768	1288	Process not Found	30
PID 1288 wrote to memory of 804	1288	Process not Found	31
PID 1288 wrote to memory of 804	1288	Process not Found	31
PID 1288 wrote to memory of 804	1288	Process not Found	31
PID 1288 wrote to memory of 804	1288	Process not Found	31
PID 1288 wrote to memory of 1068	1288	Process not Found	32
PID 1288 wrote to memory of 1068	1288	Process not Found	32
PID 1288 wrote to memory of 1068	1288	Process not Found	32
PID 1288 wrote to memory of 1068	1288	Process not Found	32
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1288 wrote to memory of 956	1288	Process not Found	35
PID 1288 wrote to memory of 956	1288	Process not Found	35
PID 1288 wrote to memory of 956	1288	Process not Found	35
PID 1288 wrote to memory of 956	1288	Process not Found	35
PID 1288 wrote to memory of 320	1288	Process not Found	36
PID 1288 wrote to memory of 320	1288	Process not Found	36
PID 1288 wrote to memory of 320	1288	Process not Found	36
PID 1288 wrote to memory of 320	1288	Process not Found	36
PID 1288 wrote to memory of 544	1288	Process not Found	37
PID 1288 wrote to memory of 544	1288	Process not Found	37
PID 1288 wrote to memory of 544	1288	Process not Found	37
PID 1288 wrote to memory of 544	1288	Process not Found	37
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1068 wrote to memory of 1300	1068	EFAE.exe	34
PID 1288 wrote to memory of 1160	1288	Process not Found	38
PID 1288 wrote to memory of 1160	1288	Process not Found	38
PID 1288 wrote to memory of 1160	1288	Process not Found	38
PID 1288 wrote to memory of 1160	1288	Process not Found	38
PID 1288 wrote to memory of 1944	1288	Process not Found	39
PID 1288 wrote to memory of 1944	1288	Process not Found	39
PID 1288 wrote to memory of 1944	1288	Process not Found	39
PID 1288 wrote to memory of 1944	1288	Process not Found	39
PID 1288 wrote to memory of 1944	1288	Process not Found	39
PID 1288 wrote to memory of 1560	1288	Process not Found	40
PID 1288 wrote to memory of 1560	1288	Process not Found	40
PID 1288 wrote to memory of 1560	1288	Process not Found	40
PID 1288 wrote to memory of 1560	1288	Process not Found	40
PID 1288 wrote to memory of 1060	1288	Process not Found	41
PID 1288 wrote to memory of 1060	1288	Process not Found	41
PID 1288 wrote to memory of 1060	1288	Process not Found	41
PID 1288 wrote to memory of 1060	1288	Process not Found	41
PID 1288 wrote to memory of 1060	1288	Process not Found	41
PID 1288 wrote to memory of 1996	1288	Process not Found	42
PID 1288 wrote to memory of 1996	1288	Process not Found	42
PID 1288 wrote to memory of 1996	1288	Process not Found	42
PID 1288 wrote to memory of 1996	1288	Process not Found	42
PID 1288 wrote to memory of 1192	1288	Process not Found	43
PID 1288 wrote to memory of 1192	1288	Process not Found	43

C:\Users\Admin\AppData\Local\Temp\toolspab2 (18).exe
"C:\Users\Admin\AppData\Local\Temp\toolspab2 (18).exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\toolspab2 (18).exe
  "C:\Users\Admin\AppData\Local\Temp\toolspab2 (18).exe"
  2⤵
  - Loads dropped DLL
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1448

C:\Users\Admin\AppData\Local\Temp\EB2A.exe
C:\Users\Admin\AppData\Local\Temp\EB2A.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:768

C:\Users\Admin\AppData\Local\Temp\ECA1.exe
C:\Users\Admin\AppData\Local\Temp\ECA1.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:804

C:\Users\Admin\AppData\Local\Temp\EFAE.exe
C:\Users\Admin\AppData\Local\Temp\EFAE.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Users\Admin\AppData\Local\Temp\EFAE.exe
  C:\Users\Admin\AppData\Local\Temp\EFAE.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1300

C:\Users\Admin\AppData\Local\Temp\F4ED.exe
C:\Users\Admin\AppData\Local\Temp\F4ED.exe
1⤵
- Executes dropped EXE
PID:956

C:\Users\Admin\AppData\Local\Temp\F710.exe
C:\Users\Admin\AppData\Local\Temp\F710.exe
1⤵
- Executes dropped EXE
PID:320

C:\Users\Admin\AppData\Local\Temp\FB83.exe
C:\Users\Admin\AppData\Local\Temp\FB83.exe
1⤵
- Executes dropped EXE
PID:544

C:\Users\Admin\AppData\Local\Temp\40C.exe
C:\Users\Admin\AppData\Local\Temp\40C.exe
1⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1160

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1944

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1560

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1060

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1996

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1192

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:1644

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1172

C:\Windows\explorer.exe
C:\Windows\explorer.exe
1⤵
PID:2040

C:\Windows\SysWOW64\explorer.exe
C:\Windows\SysWOW64\explorer.exe
1⤵
PID:1624

C:\Windows\system32\taskeng.exe
taskeng.exe {A993B4AB-CFEE-4A6B-AC66-31B4FA9811A8} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
PID:1852
- C:\Users\Admin\AppData\Roaming\sdadiiu
  C:\Users\Admin\AppData\Roaming\sdadiiu
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1284
- - C:\Users\Admin\AppData\Roaming\sdadiiu
    C:\Users\Admin\AppData\Roaming\sdadiiu
    3⤵
    - Executes dropped EXE
    PID:980

C:\Windows\system32\taskeng.exe
taskeng.exe {D25F14CE-87FE-4636-873B-6745E238826A} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
PID:1752
- C:\Users\Admin\AppData\Roaming\sdadiiu
  C:\Users\Admin\AppData\Roaming\sdadiiu
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1056
- - C:\Users\Admin\AppData\Roaming\sdadiiu
    C:\Users\Admin\AppData\Roaming\sdadiiu
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks SCSI registry key(s)
    - Suspicious behavior: MapViewOfSection
    PID:1608

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/956-94-0x0000000000320000-0x00000000003B1000-memory.dmp

Filesize
580KB

Download
memory/956-95-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/1060-114-0x000000006E841000-0x000000006E843000-memory.dmp

Filesize
8KB

Download
memory/1060-115-0x0000000000090000-0x0000000000097000-memory.dmp

Filesize
28KB

Download
memory/1060-116-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/1068-80-0x00000000049C0000-0x00000000049C1000-memory.dmp

Filesize
4KB

Download
memory/1068-77-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download
memory/1084-64-0x0000000000220000-0x000000000022C000-memory.dmp

Filesize
48KB

Download
memory/1160-100-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/1160-106-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

Filesize
4KB

Download
memory/1172-131-0x0000000000090000-0x0000000000094000-memory.dmp

Filesize
16KB

Download
memory/1172-132-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1192-124-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1192-123-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/1288-65-0x0000000002A10000-0x0000000002A27000-memory.dmp

Filesize
92KB

Download
memory/1288-156-0x0000000002B20000-0x0000000002B37000-memory.dmp

Filesize
92KB

Download
memory/1300-99-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/1300-88-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1300-91-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1448-62-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download
memory/1448-60-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1560-111-0x00000000000E0000-0x00000000000EC000-memory.dmp

Filesize
48KB

Download
memory/1560-110-0x00000000000F0000-0x00000000000F7000-memory.dmp

Filesize
28KB

Download
memory/1624-139-0x0000000000090000-0x0000000000095000-memory.dmp

Filesize
20KB

Download
memory/1624-140-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/1644-127-0x0000000000060000-0x000000000006C000-memory.dmp

Filesize
48KB

Download
memory/1644-126-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/1944-105-0x000000006E9B1000-0x000000006E9B3000-memory.dmp

Filesize
8KB

Download
memory/1944-108-0x0000000000370000-0x00000000003DB000-memory.dmp

Filesize
428KB

Download
memory/1944-107-0x0000000000430000-0x00000000004A4000-memory.dmp

Filesize
464KB

Download
memory/1996-119-0x0000000000060000-0x000000000006F000-memory.dmp

Filesize
60KB

Download
memory/1996-118-0x0000000000070000-0x0000000000079000-memory.dmp

Filesize
36KB

Download
memory/2040-134-0x0000000000070000-0x0000000000075000-memory.dmp

Filesize
20KB

Download
memory/2040-135-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download