darkcomet | dd18f1397ed7236021cee3f2880fdb6e8c4b350dcd49890e61eb445bbfe46f68

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 17:19

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General

Target
3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Size 687KB
Sample240711-vvytlayfjb
SHA256 dd18f1397ed7236021cee3f2880fdb6e8c4b350dcd49890e61eb445bbfe46f68
MD5 3a0db81c54709146154a24494e26e443
SHA1 7888f4f896f10648de87c000323b1ba14cff780d
SHA512 1327675f57c7adbf3c51d058ed5ff034501a1cc1815defe1153be3c243aefb73e1869df28d1995cd796c94d0c6e5d98c3046e7232ab6269189b14ad13b3d0a22
SSDEEP 12288:jevJqMd0QZh9uLCMndZx5d3k5c2LTv0ttzys39p4SawBIRPEjctqIt7:yxD0QZh9uLldZt8c8T8Ms39GwGRP/4Ih
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet b.o.m.b.dz evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

b.o.m.b.dz

cleen.no-ip.biz:1604

Mutex

DC_MUTEX-8JG7K8D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
8HJQuMHQFCXE
install
true
offline_keylogger
true
password
lachiche17
persistence
true
reg_key
MicroUpdate

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Favorites\\MSDCSC\\msdcsc.exe"	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
3344	attrib.exe
4728	attrib.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3796	msdcsc.exe

Molebox Virtualization software 1 IoCs

Detects file using Molebox Virtualization software.

resource	yara_rule
behavioral2/files/0x000800000002344e-18.dat	molebox

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Favorites\\MSDCSC\\msdcsc.exe"	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeSecurityPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeBackupPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeRestorePrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeShutdownPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeDebugPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeUndockPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: 33	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: 34	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: 35	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: 36	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3796	msdcsc.exe
Token: SeSecurityPrivilege	3796	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3796	msdcsc.exe
Token: SeLoadDriverPrivilege	3796	msdcsc.exe
Token: SeSystemProfilePrivilege	3796	msdcsc.exe
Token: SeSystemtimePrivilege	3796	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3796	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3796	msdcsc.exe
Token: SeCreatePagefilePrivilege	3796	msdcsc.exe
Token: SeBackupPrivilege	3796	msdcsc.exe
Token: SeRestorePrivilege	3796	msdcsc.exe
Token: SeShutdownPrivilege	3796	msdcsc.exe
Token: SeDebugPrivilege	3796	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3796	msdcsc.exe
Token: SeChangeNotifyPrivilege	3796	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3796	msdcsc.exe
Token: SeUndockPrivilege	3796	msdcsc.exe
Token: SeManageVolumePrivilege	3796	msdcsc.exe
Token: SeImpersonatePrivilege	3796	msdcsc.exe
Token: SeCreateGlobalPrivilege	3796	msdcsc.exe
Token: 33	3796	msdcsc.exe
Token: 34	3796	msdcsc.exe
Token: 35	3796	msdcsc.exe
Token: 36	3796	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3796	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3340 wrote to memory of 4032	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	86
PID 3340 wrote to memory of 4032	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	86
PID 3340 wrote to memory of 4032	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	86
PID 3340 wrote to memory of 1928	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	88
PID 3340 wrote to memory of 1928	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	88
PID 3340 wrote to memory of 1928	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	88
PID 4032 wrote to memory of 3344	4032	cmd.exe	90
PID 4032 wrote to memory of 3344	4032	cmd.exe	90
PID 4032 wrote to memory of 3344	4032	cmd.exe	90
PID 1928 wrote to memory of 4728	1928	cmd.exe	91
PID 1928 wrote to memory of 4728	1928	cmd.exe	91
PID 1928 wrote to memory of 4728	1928	cmd.exe	91
PID 3340 wrote to memory of 3796	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	93
PID 3340 wrote to memory of 3796	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	93
PID 3340 wrote to memory of 3796	3340	3a0db81c54709146154a24494e26e443_JaffaCakes118.exe	93
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94
PID 3796 wrote to memory of 4356	3796	msdcsc.exe	94

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3344	attrib.exe
4728	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3a0db81c54709146154a24494e26e443_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a0db81c54709146154a24494e26e443_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3340
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\3a0db81c54709146154a24494e26e443_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4032
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\3a0db81c54709146154a24494e26e443_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:3344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1928
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:4728
- C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3796
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:4356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

msdcsc.exe

Path C:\Users\Admin\Favorites\MSDCSC\msdcsc.exe
Size 687KB
SHA256 dd18f1397ed7236021cee3f2880fdb6e8c4b350dcd49890e61eb445bbfe46f68
MD5 3a0db81c54709146154a24494e26e443
SHA1 7888f4f896f10648de87c000323b1ba14cff780d
SHA512 1327675f57c7adbf3c51d058ed5ff034501a1cc1815defe1153be3c243aefb73e1869df28d1995cd796c94d0c6e5d98c3046e7232ab6269189b14ad13b3d0a22
SSDEEP 12288:jevJqMd0QZh9uLCMndZx5d3k5c2LTv0ttzys39p4SawBIRPEjctqIt7:yxD0QZh9uLldZt8c8T8Ms39GwGRP/4Ih
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/3340-0-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

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memory/3340-1-0x0000000000AE0000-0x0000000000B2E000-memory.dmp

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memory/3340-2-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3340-8-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3340-7-0x00000000767D0000-0x00000000767D1000-memory.dmp

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memory/3340-6-0x00000000024C0000-0x00000000024D0000-memory.dmp

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memory/3340-5-0x00000000026B0000-0x00000000026C0000-memory.dmp

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memory/3340-4-0x0000000077B42000-0x0000000077B43000-memory.dmp

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memory/3340-3-0x0000000002450000-0x0000000002460000-memory.dmp

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memory/3340-9-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3340-10-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3340-11-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3340-13-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3340-12-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3340-75-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3340-76-0x0000000000AE0000-0x0000000000B2E000-memory.dmp

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memory/3340-77-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-82-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-81-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-83-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-80-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-79-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-78-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-74-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-85-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-90-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-89-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-88-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-87-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-86-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-91-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-92-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-93-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-94-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-95-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-104-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-103-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-107-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-106-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-105-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-102-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-101-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-100-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-99-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-98-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-97-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-96-0x00000000767B0000-0x00000000768A0000-memory.dmp

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memory/3796-108-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-109-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-110-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-111-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-112-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-113-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-114-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-115-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-116-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-117-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-118-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/3796-119-0x0000000000400000-0x00000000004F3000-memory.dmp

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memory/4356-84-0x0000000000E50000-0x0000000000E51000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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