darkcomet | 6eb78226a38391a3e39082af722845f4873a061b317f479a2df2e84857783e2b

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 00:28

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General

Target

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Size

332KB
MD5

140803cb008b8e83f97d43327810d1d9
SHA1

1637ea53ca4a58f3a93174652adc225df84301b7
SHA256

6eb78226a38391a3e39082af722845f4873a061b317f479a2df2e84857783e2b
SHA512

51f1a8533b43b73c91ae36e08b4bc7ec29823941e5fbf4e000f85f1f019eef059b4869b3d39c437b437a6786682dd14f14ad9882b787f41c4ab7e6b0a371f657
SSDEEP

6144:tYLtU7Ixhnhz5qLZWBRyve1+HxhV+baign+kuEZ:esI3lQK71870baign+kRZ

Score

10^/10

darkcomet öíüüíé persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÖÍÜÜíÉ

1997.bounceme.net:1020

Mutex

DC_MUTEX-MCXLVDZ

Attributes

InstallPath
drivers\whatshehel.exe
gencode
hAZvv6H5N2jt
install
true
offline_keylogger
true
persistence
true
reg_key
LEKKKEIRJFIER

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\drivers\\whatshehel.exe"	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

Drops file in Drivers directory 3 IoCs

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\SysWOW64\drivers\whatshehel.exe	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\whatshehel.exe	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation 140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

whatshehel.exe

pid process

228 whatshehel.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

pid	process
228	whatshehel.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exewhatshehel.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LEKKKEIRJFIER = "C:\\Windows\\system32\\drivers\\whatshehel.exe"	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LEKKKEIRJFIER = "C:\\Windows\\system32\\drivers\\whatshehel.exe"	whatshehel.exe

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

System Information Discovery
T1082
Modifies registry class 1 IoCs

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exewhatshehel.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeSecurityPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeBackupPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeRestorePrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeShutdownPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeDebugPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeUndockPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: 33	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: 34	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: 35	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: 36	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	228	whatshehel.exe
Token: SeSecurityPrivilege	228	whatshehel.exe
Token: SeTakeOwnershipPrivilege	228	whatshehel.exe
Token: SeLoadDriverPrivilege	228	whatshehel.exe
Token: SeSystemProfilePrivilege	228	whatshehel.exe
Token: SeSystemtimePrivilege	228	whatshehel.exe
Token: SeProfSingleProcessPrivilege	228	whatshehel.exe
Token: SeIncBasePriorityPrivilege	228	whatshehel.exe
Token: SeCreatePagefilePrivilege	228	whatshehel.exe
Token: SeBackupPrivilege	228	whatshehel.exe
Token: SeRestorePrivilege	228	whatshehel.exe
Token: SeShutdownPrivilege	228	whatshehel.exe
Token: SeDebugPrivilege	228	whatshehel.exe
Token: SeSystemEnvironmentPrivilege	228	whatshehel.exe
Token: SeChangeNotifyPrivilege	228	whatshehel.exe
Token: SeRemoteShutdownPrivilege	228	whatshehel.exe
Token: SeUndockPrivilege	228	whatshehel.exe
Token: SeManageVolumePrivilege	228	whatshehel.exe
Token: SeImpersonatePrivilege	228	whatshehel.exe
Token: SeCreateGlobalPrivilege	228	whatshehel.exe
Token: 33	228	whatshehel.exe
Token: 34	228	whatshehel.exe
Token: 35	228	whatshehel.exe
Token: 36	228	whatshehel.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

whatshehel.exe

pid process

228 whatshehel.exe

pid	process
228	whatshehel.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe

description	pid	process	target process
PID 3312 wrote to memory of 228	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe	whatshehel.exe
PID 3312 wrote to memory of 228	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe	whatshehel.exe
PID 3312 wrote to memory of 228	3312	140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe	whatshehel.exe

C:\Users\Admin\AppData\Local\Temp\140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\140803cb008b8e83f97d43327810d1d9_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3312

C:\Windows\SysWOW64\drivers\whatshehel.exe
"C:\Windows\system32\drivers\whatshehel.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:228

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Windows\SysWOW64\drivers\whatshehel.exe
Filesize
332KB

MD5
140803cb008b8e83f97d43327810d1d9

SHA1
1637ea53ca4a58f3a93174652adc225df84301b7

SHA256
6eb78226a38391a3e39082af722845f4873a061b317f479a2df2e84857783e2b

SHA512
51f1a8533b43b73c91ae36e08b4bc7ec29823941e5fbf4e000f85f1f019eef059b4869b3d39c437b437a6786682dd14f14ad9882b787f41c4ab7e6b0a371f657

Download Submit
memory/228-70-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-79-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-69-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-78-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-65-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-66-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-67-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-68-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-63-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/228-77-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-72-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-71-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-73-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-74-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-75-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/228-76-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3312-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/3312-64-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3312-0-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download