darkcomet | 168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-10-2024 19:14

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General

Target

43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Size

391KB
MD5

43c5419faeff6243e80fb6858d21e370
SHA1

ec04d2603326fcb80c37ec5cca7236d7d19c0d15
SHA256

168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61
SHA512

509ec525d15589bbe38c61efdfce4e63639525e0dcfa8edac4bb1f38d938e2c5cb03caa9d7423bfe7b1abe37606c447587c722efd26aa688326fc9a9c4a069bb
SSDEEP

6144:ARuMeWvIiqxLxDcKETsiR3vYFD6TtHxaefCPlh4XQCZ2bfjOAKdiFYuRWh:ieWvIfrDchsixvgEtHcj3vfbyL

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

delaye76.no-ip.biz:1604

Mutex

DC_MUTEX-1S484EP

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Jcne53J3qPl9
install
true
offline_keylogger
true
persistence
true
reg_key
��.b

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"	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2816	msdcsc.exe
2620	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
2816	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí.b = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí.b = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2816 set thread context of 2620	2816	msdcsc.exe	32

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2068-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-7-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-39-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-42-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-41-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-43-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2068-46-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-47-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-48-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-49-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-50-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-51-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-52-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-53-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-54-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-55-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-56-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-57-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-58-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-59-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-60-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-61-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2620-62-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeSecurityPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeBackupPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeRestorePrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeShutdownPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeDebugPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeUndockPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: 33	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: 34	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: 35	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
Token: SeDebugPrivilege	2816	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	2620	msdcsc.exe
Token: SeSecurityPrivilege	2620	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2620	msdcsc.exe
Token: SeLoadDriverPrivilege	2620	msdcsc.exe
Token: SeSystemProfilePrivilege	2620	msdcsc.exe
Token: SeSystemtimePrivilege	2620	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2620	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2620	msdcsc.exe
Token: SeCreatePagefilePrivilege	2620	msdcsc.exe
Token: SeBackupPrivilege	2620	msdcsc.exe
Token: SeRestorePrivilege	2620	msdcsc.exe
Token: SeShutdownPrivilege	2620	msdcsc.exe
Token: SeDebugPrivilege	2620	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2620	msdcsc.exe
Token: SeChangeNotifyPrivilege	2620	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2620	msdcsc.exe
Token: SeUndockPrivilege	2620	msdcsc.exe
Token: SeManageVolumePrivilege	2620	msdcsc.exe
Token: SeImpersonatePrivilege	2620	msdcsc.exe
Token: SeCreateGlobalPrivilege	2620	msdcsc.exe
Token: 33	2620	msdcsc.exe
Token: 34	2620	msdcsc.exe
Token: 35	2620	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2620	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2420 wrote to memory of 2068	2420	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	30
PID 2068 wrote to memory of 2816	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2816	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2816	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2816	2068	43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe	31
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32
PID 2816 wrote to memory of 2620	2816	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\43c5419faeff6243e80fb6858d21e370_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2620

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
391KB

MD5
43c5419faeff6243e80fb6858d21e370

SHA1
ec04d2603326fcb80c37ec5cca7236d7d19c0d15

SHA256
168d2bb706157fa1f41824f8ab3c8cac5468a846aafc1118b8ff183c2457bb61

SHA512
509ec525d15589bbe38c61efdfce4e63639525e0dcfa8edac4bb1f38d938e2c5cb03caa9d7423bfe7b1abe37606c447587c722efd26aa688326fc9a9c4a069bb

Download Submit
memory/2068-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2068-5-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-46-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-17-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2068-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2068-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2420-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2420-2-0x0000000004A40000-0x0000000004B54000-memory.dmp

Filesize
1.1MB

Download
memory/2420-3-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2420-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2420-13-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/2620-39-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-50-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-62-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-61-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-42-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-41-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-43-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-60-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-47-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-48-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-49-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-59-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-51-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-52-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-53-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-54-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-55-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-56-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-57-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2620-58-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2816-28-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-26-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/2816-40-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-27-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads