darkcomet | 35cb195d816e06cc91419f58858bbc9e2fdd0c4d8cf3dd568e35f36a52c582de

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/07/2024, 00:52

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General

Target
5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Size 287KB
Sample240720-a79reasdnd
SHA256 35cb195d816e06cc91419f58858bbc9e2fdd0c4d8cf3dd568e35f36a52c582de
MD5 5e65b5eab10bb5bdd999b56d0f7f56e1
SHA1 2a7939d5485e73875aed1b44c111eaf32960c2c1
SHA512 9fc21d2a1840835c49b0483962b532627980e601ff282a14f4d6c956f321367fa72576c505e1d974500df2a29d20ec84dbdc1db4d7cab42a52201cd761da725d
SSDEEP 6144:Zl/PVCo10Bw9geYmGhuI/Km6Uhe7adib5I+6VS1BYo6vUhIPJTF:DES8w9SmGocoVhb2vU2b
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet hacker persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

HacKEr

ab11.no-ip.biz:1604

Mutex

DC_MUTEX-R3MTLZ6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
icUgNhYyDYuD
install
true
offline_keylogger
true
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\\Documents\\MSDCSC\\msdcsc.exe"	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2644	msdcsc.exe
2928	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
2644	msdcsc.exe

UPX packed file 14 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2980-3-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-4-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-9-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2980-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2928-40-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2928-42-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2928-41-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2928-38-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2928-46-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2928-43-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	iexplore.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2644 set thread context of 2928	2644	msdcsc.exe	33
PID 2928 set thread context of 2828	2928	msdcsc.exe	34
PID 2828 set thread context of 2740	2828	iexplore.exe	35

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeSecurityPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeBackupPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeRestorePrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeShutdownPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeDebugPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeUndockPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: 33	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: 34	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: 35	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2928	msdcsc.exe
Token: SeSecurityPrivilege	2928	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2928	msdcsc.exe
Token: SeLoadDriverPrivilege	2928	msdcsc.exe
Token: SeSystemProfilePrivilege	2928	msdcsc.exe
Token: SeSystemtimePrivilege	2928	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2928	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2928	msdcsc.exe
Token: SeCreatePagefilePrivilege	2928	msdcsc.exe
Token: SeBackupPrivilege	2928	msdcsc.exe
Token: SeRestorePrivilege	2928	msdcsc.exe
Token: SeShutdownPrivilege	2928	msdcsc.exe
Token: SeDebugPrivilege	2928	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2928	msdcsc.exe
Token: SeChangeNotifyPrivilege	2928	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2928	msdcsc.exe
Token: SeUndockPrivilege	2928	msdcsc.exe
Token: SeManageVolumePrivilege	2928	msdcsc.exe
Token: SeImpersonatePrivilege	2928	msdcsc.exe
Token: SeCreateGlobalPrivilege	2928	msdcsc.exe
Token: 33	2928	msdcsc.exe
Token: 34	2928	msdcsc.exe
Token: 35	2928	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2740	iexplore.exe
Token: SeSecurityPrivilege	2740	iexplore.exe
Token: SeTakeOwnershipPrivilege	2740	iexplore.exe
Token: SeLoadDriverPrivilege	2740	iexplore.exe
Token: SeSystemProfilePrivilege	2740	iexplore.exe
Token: SeSystemtimePrivilege	2740	iexplore.exe
Token: SeProfSingleProcessPrivilege	2740	iexplore.exe
Token: SeIncBasePriorityPrivilege	2740	iexplore.exe
Token: SeCreatePagefilePrivilege	2740	iexplore.exe
Token: SeBackupPrivilege	2740	iexplore.exe
Token: SeRestorePrivilege	2740	iexplore.exe
Token: SeShutdownPrivilege	2740	iexplore.exe
Token: SeDebugPrivilege	2740	iexplore.exe
Token: SeSystemEnvironmentPrivilege	2740	iexplore.exe
Token: SeChangeNotifyPrivilege	2740	iexplore.exe
Token: SeRemoteShutdownPrivilege	2740	iexplore.exe
Token: SeUndockPrivilege	2740	iexplore.exe
Token: SeManageVolumePrivilege	2740	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
2644	msdcsc.exe
2828	iexplore.exe
2740	iexplore.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2324 wrote to memory of 2980	2324	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	31
PID 2980 wrote to memory of 2644	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	32
PID 2980 wrote to memory of 2644	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	32
PID 2980 wrote to memory of 2644	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	32
PID 2980 wrote to memory of 2644	2980	5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe	32
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2644 wrote to memory of 2928	2644	msdcsc.exe	33
PID 2928 wrote to memory of 2828	2928	msdcsc.exe	34
PID 2928 wrote to memory of 2828	2928	msdcsc.exe	34
PID 2928 wrote to memory of 2828	2928	msdcsc.exe	34
PID 2928 wrote to memory of 2828	2928	msdcsc.exe	34
PID 2928 wrote to memory of 2828	2928	msdcsc.exe	34
PID 2928 wrote to memory of 2828	2928	msdcsc.exe	34
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35
PID 2828 wrote to memory of 2740	2828	iexplore.exe	35

C:\Users\Admin\AppData\Local\Temp\5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5e65b5eab10bb5bdd999b56d0f7f56e1_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2928
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:2828
      - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        6⤵
        Adds Run key to start application
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:2740

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

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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msdcsc.exe

Path \Users\Admin\Documents\MSDCSC\msdcsc.exe
Size 287KB
SHA256 35cb195d816e06cc91419f58858bbc9e2fdd0c4d8cf3dd568e35f36a52c582de
MD5 5e65b5eab10bb5bdd999b56d0f7f56e1
SHA1 2a7939d5485e73875aed1b44c111eaf32960c2c1
SHA512 9fc21d2a1840835c49b0483962b532627980e601ff282a14f4d6c956f321367fa72576c505e1d974500df2a29d20ec84dbdc1db4d7cab42a52201cd761da725d
SSDEEP 6144:Zl/PVCo10Bw9geYmGhuI/Km6Uhe7adib5I+6VS1BYo6vUhIPJTF:DES8w9SmGocoVhb2vU2b
MD5 SHA1 SHA512 SSDEEP

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memory/2324-5-0x0000000002B00000-0x0000000002C0F000-memory.dmp

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memory/2324-8-0x0000000000400000-0x000000000050F000-memory.dmp

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memory/2324-0-0x0000000000400000-0x000000000050F000-memory.dmp

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memory/2644-35-0x0000000002C80000-0x0000000002D8F000-memory.dmp

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memory/2644-39-0x0000000000400000-0x000000000050F000-memory.dmp

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memory/2644-28-0x0000000000400000-0x000000000050F000-memory.dmp

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memory/2928-40-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2928-42-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2928-43-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2928-46-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2928-38-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2928-41-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-9-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-22-0x0000000003600000-0x000000000370F000-memory.dmp

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memory/2980-4-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-6-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-25-0x0000000003600000-0x000000000370F000-memory.dmp

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memory/2980-27-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-12-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-3-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-10-0x0000000000400000-0x00000000004BA000-memory.dmp

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memory/2980-11-0x0000000000400000-0x00000000004BA000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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