xloader | cc92a5217fc8672312221ff0c7e7e24fc466c94e47bd813545839052f4b71a30

General

Target

REE20212110575259OCT.exe
Size

498KB
MD5

9c00fc940483cff2a0f3f619db16ad54
SHA1

6f9c746d9cfb4e0bbf829783a82b883f7317b16b
SHA256

8a54e41751369783c64f56f30133b985933092324e9b2dad025641d23643280c
SHA512

30451538f9ed65159280a168c711056d7bc0776d0c30f1c82bfa4dfacfe4373c01f503004f1eacc1a690104f99bf7e78c61c5436261c0813508467ff5dd4ff21

Score

10^/10

xloader gab8 loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

gab8

C2

http://www.purodetalle.com/gab8/

Decoy

amateurfeetworship.com

big-food.biz

metaversevolution.com

profecional-pacasmayo.com

royzoom.com

bekindevolution.com

hokozaki.com

waltersswholesale.com

wayfinderacu.com

schnurrgallery.com

babygearrentals.net

imggtoken.club

24x7x366.com

lakiernictwo.info

les-cours.com

dwticket.com

onarollshades.com

ramireztradepartners.com

safarparfums.com

6ngie.info

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral7/memory/1808-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral7/memory/1808-126-0x000000000041D3B0-mapping.dmp	xloader
behavioral7/memory/2260-145-0x00000000010F0000-0x0000000001119000-memory.dmp	xloader

Drops file in System32 directory 4 IoCs

Processes:

OfficeC2RClient.exe

description	ioc	process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	OfficeC2RClient.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\OTele\officec2rclient.exe.db	OfficeC2RClient.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\OTele\officec2rclient.exe.db-wal	OfficeC2RClient.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Office\OTele\officec2rclient.exe.db-shm	OfficeC2RClient.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

REE20212110575259OCT.exeREE20212110575259OCT.exemsdt.exe

description	pid	process	target process
PID 1188 set thread context of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 1808 set thread context of 2540	1808	REE20212110575259OCT.exe	Explorer.EXE
PID 2260 set thread context of 2540	2260	msdt.exe	Explorer.EXE

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 21 IoCs

Processes:

OfficeC2RClient.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\officeclicktorun\Overrides	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun\ConfigContextData	OfficeC2RClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "2"	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\TrustCenter\Experimentation	OfficeC2RClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\Overrides	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\ExternalFeatureOverrides\officeclicktorun	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\FirstSession\officeclicktorun	OfficeC2RClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\LanguageResources\EnabledEditingLanguages\en-US = "1"	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\OnDemandInterfaceCache	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentEcs\all\Overrides	OfficeC2RClient.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\Common\ClientTelemetry\RulesLastAudienceReported\officec2rclient.exe = "Production"	OfficeC2RClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	OfficeC2RClient.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Office\16.0\Common\ExperimentConfigs\Ecs\officeclicktorun	OfficeC2RClient.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	OfficeC2RClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	OfficeC2RClient.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	OfficeC2RClient.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	OfficeC2RClient.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	OfficeC2RClient.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

Processes:

REE20212110575259OCT.exepowershell.exemsdt.exe

pid	process
1808	REE20212110575259OCT.exe
1808	REE20212110575259OCT.exe
1808	REE20212110575259OCT.exe
1808	REE20212110575259OCT.exe
1420	powershell.exe
1420	powershell.exe
2260	msdt.exe
2260	msdt.exe
1420	powershell.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe
2260	msdt.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2540 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

REE20212110575259OCT.exemsdt.exe

pid process

1808 REE20212110575259OCT.exe
1808 REE20212110575259OCT.exe
1808 REE20212110575259OCT.exe
2260 msdt.exe
2260 msdt.exe

pid	process
2540	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

REE20212110575259OCT.exepowershell.exemsdt.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1808	REE20212110575259OCT.exe
Token: SeDebugPrivilege	1420	powershell.exe
Token: SeDebugPrivilege	2260	msdt.exe
Token: SeShutdownPrivilege	2540	Explorer.EXE
Token: SeCreatePagefilePrivilege	2540	Explorer.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

OfficeC2RClient.exe

pid process

2836 OfficeC2RClient.exe

pid	process
2836	OfficeC2RClient.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

REE20212110575259OCT.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1188 wrote to memory of 1420	1188	REE20212110575259OCT.exe	powershell.exe
PID 1188 wrote to memory of 1420	1188	REE20212110575259OCT.exe	powershell.exe
PID 1188 wrote to memory of 1420	1188	REE20212110575259OCT.exe	powershell.exe
PID 1188 wrote to memory of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 1188 wrote to memory of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 1188 wrote to memory of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 1188 wrote to memory of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 1188 wrote to memory of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 1188 wrote to memory of 1808	1188	REE20212110575259OCT.exe	REE20212110575259OCT.exe
PID 2540 wrote to memory of 2260	2540	Explorer.EXE	msdt.exe
PID 2540 wrote to memory of 2260	2540	Explorer.EXE	msdt.exe
PID 2540 wrote to memory of 2260	2540	Explorer.EXE	msdt.exe
PID 2260 wrote to memory of 1716	2260	msdt.exe	cmd.exe
PID 2260 wrote to memory of 1716	2260	msdt.exe	cmd.exe
PID 2260 wrote to memory of 1716	2260	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2540

C:\Users\Admin\AppData\Local\Temp\REE20212110575259OCT.exe
"C:\Users\Admin\AppData\Local\Temp\REE20212110575259OCT.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1188

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\REE20212110575259OCT.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1420

C:\Users\Admin\AppData\Local\Temp\REE20212110575259OCT.exe
"C:\Users\Admin\AppData\Local\Temp\REE20212110575259OCT.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1808

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2260

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\REE20212110575259OCT.exe"
3⤵
PID:1716

C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe
"C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeC2RClient.exe" /frequentupdate SCHEDULEDTASK displaylevel=False
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:2836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1188-115-0x0000000000E00000-0x0000000000E01000-memory.dmp

Filesize
4KB

Download
memory/1188-117-0x0000000005CA0000-0x0000000005CA1000-memory.dmp

Filesize
4KB

Download
memory/1188-118-0x0000000005840000-0x0000000005841000-memory.dmp

Filesize
4KB

Download
memory/1188-119-0x00000000057A0000-0x0000000005C9E000-memory.dmp

Filesize
5.0MB

Download
memory/1188-120-0x0000000005810000-0x0000000005811000-memory.dmp

Filesize
4KB

Download
memory/1188-121-0x0000000005980000-0x0000000005987000-memory.dmp

Filesize
28KB

Download
memory/1188-122-0x00000000065C0000-0x00000000065C1000-memory.dmp

Filesize
4KB

Download
memory/1188-123-0x0000000006570000-0x00000000065BB000-memory.dmp

Filesize
300KB

Download
memory/1420-139-0x0000000007E50000-0x0000000007E51000-memory.dmp

Filesize
4KB

Download
memory/1420-159-0x0000000009590000-0x00000000095C3000-memory.dmp

Filesize
204KB

Download
memory/1420-176-0x0000000009C00000-0x0000000009C01000-memory.dmp

Filesize
4KB

Download
memory/1420-128-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/1420-127-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/1420-130-0x0000000006E40000-0x0000000006E41000-memory.dmp

Filesize
4KB

Download
memory/1420-131-0x0000000007620000-0x0000000007621000-memory.dmp

Filesize
4KB

Download
memory/1420-133-0x0000000006FE0000-0x0000000006FE1000-memory.dmp

Filesize
4KB

Download
memory/1420-175-0x0000000006FE3000-0x0000000006FE4000-memory.dmp

Filesize
4KB

Download
memory/1420-174-0x0000000009B10000-0x0000000009B11000-memory.dmp

Filesize
4KB

Download
memory/1420-136-0x0000000006FE2000-0x0000000006FE3000-memory.dmp

Filesize
4KB

Download
memory/1420-173-0x000000007EDA0000-0x000000007EDA1000-memory.dmp

Filesize
4KB

Download
memory/1420-137-0x0000000007380000-0x0000000007381000-memory.dmp

Filesize
4KB

Download
memory/1420-138-0x0000000007520000-0x0000000007521000-memory.dmp

Filesize
4KB

Download
memory/1420-124-0x0000000000000000-mapping.dmp

Download
memory/1420-140-0x0000000007EC0000-0x0000000007EC1000-memory.dmp

Filesize
4KB

Download
memory/1420-172-0x0000000009990000-0x0000000009991000-memory.dmp

Filesize
4KB

Download
memory/1420-142-0x0000000007F30000-0x0000000007F31000-memory.dmp

Filesize
4KB

Download
memory/1420-143-0x0000000007370000-0x0000000007371000-memory.dmp

Filesize
4KB

Download
memory/1420-167-0x0000000009570000-0x0000000009571000-memory.dmp

Filesize
4KB

Download
memory/1420-152-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/1420-146-0x0000000008390000-0x0000000008391000-memory.dmp

Filesize
4KB

Download
memory/1420-151-0x00000000087C0000-0x00000000087C1000-memory.dmp

Filesize
4KB

Download
memory/1420-150-0x0000000008980000-0x0000000008981000-memory.dmp

Filesize
4KB

Download
memory/1420-149-0x00000000082B0000-0x00000000082B1000-memory.dmp

Filesize
4KB

Download
memory/1716-147-0x0000000000000000-mapping.dmp

Download
memory/1808-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1808-134-0x0000000001770000-0x0000000001781000-memory.dmp

Filesize
68KB

Download
memory/1808-132-0x0000000001970000-0x0000000001C90000-memory.dmp

Filesize
3.1MB

Download
memory/1808-126-0x000000000041D3B0-mapping.dmp

Download
memory/2260-148-0x00000000053E0000-0x0000000005700000-memory.dmp

Filesize
3.1MB

Download
memory/2260-145-0x00000000010F0000-0x0000000001119000-memory.dmp

Filesize
164KB

Download
memory/2260-144-0x0000000001240000-0x00000000013B3000-memory.dmp

Filesize
1.4MB

Download
memory/2260-141-0x0000000000000000-mapping.dmp

Download
memory/2260-245-0x00000000050A0000-0x0000000005130000-memory.dmp

Filesize
576KB

Download
memory/2540-135-0x0000000002520000-0x000000000260A000-memory.dmp

Filesize
936KB

Download
memory/2540-246-0x00000000026D0000-0x0000000002781000-memory.dmp

Filesize
708KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads