darkcomet | 612903e35d182857889d2b421a91de013a4c8e51111a2eea39c56b0bb635191f

General

Target

f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe
Size

255KB
MD5

f96ba348f67b838a12e7cc5090ead87a
SHA1

009f55d47866e111d6a3141597e4426a162e4d6f
SHA256

612903e35d182857889d2b421a91de013a4c8e51111a2eea39c56b0bb635191f
SHA512

1c3ae2447a7bec342498f16c1135cb33151c97fc57be4568e7d832af0c1dfab26a85f5289bc60e8f21a33e27b1a254b76892e4f8005639268f82cb6dbee299aa
SSDEEP

6144:gidNwjdVsUxUas213/AuhgtakuklUj0USmbcjj:gidNwTTi2F4X8+UQUNbA

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

nl.gigabit.perfect-privacy.com:50130

Mutex

DCMIN_MUTEX-APU87P7

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
KparfxkoJbQb
install
true
offline_keylogger
true
persistence
false
reg_key
123456

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:

f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe

Executes dropped EXE 2 IoCs

Processes:

IMDCSC.exeimdcsc.exe

pid process

2432 IMDCSC.exe
2632 imdcsc.exe
Loads dropped DLL 3 IoCs

Processes:

f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exeIMDCSC.exe

pid process

2832 f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
2832 f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
2432 IMDCSC.exe

pid	process
2432	IMDCSC.exe
2632	imdcsc.exe

pid	process
2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
2432	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\123456 = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exeIMDCSC.exe

description	pid	process	target process
PID 3012 set thread context of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 2432 set thread context of 2632	2432	IMDCSC.exe	imdcsc.exe

UPX packed file 33 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2832-7-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-8-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-6-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-3-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-2-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-9-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-11-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-10-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2832-24-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-41-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-42-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-43-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-40-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-39-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-38-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-44-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-45-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-46-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-47-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-48-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-49-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-50-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-51-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-52-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-53-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-54-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-55-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-56-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-57-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-58-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-59-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-60-0x0000000000400000-0x00000000004BB000-memory.dmp	upx
behavioral1/memory/2632-61-0x0000000000400000-0x00000000004BB000-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

Processes:

IMDCSC.exeimdcsc.exef96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exef96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	imdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exeimdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeSecurityPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeTakeOwnershipPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeLoadDriverPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeSystemProfilePrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeSystemtimePrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeProfSingleProcessPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeIncBasePriorityPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeCreatePagefilePrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeBackupPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeRestorePrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeShutdownPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeDebugPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeSystemEnvironmentPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeChangeNotifyPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeRemoteShutdownPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeUndockPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeManageVolumePrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeImpersonatePrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeCreateGlobalPrivilege	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: 33	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: 34	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: 35	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
Token: SeIncreaseQuotaPrivilege	2632	imdcsc.exe
Token: SeSecurityPrivilege	2632	imdcsc.exe
Token: SeTakeOwnershipPrivilege	2632	imdcsc.exe
Token: SeLoadDriverPrivilege	2632	imdcsc.exe
Token: SeSystemProfilePrivilege	2632	imdcsc.exe
Token: SeSystemtimePrivilege	2632	imdcsc.exe
Token: SeProfSingleProcessPrivilege	2632	imdcsc.exe
Token: SeIncBasePriorityPrivilege	2632	imdcsc.exe
Token: SeCreatePagefilePrivilege	2632	imdcsc.exe
Token: SeBackupPrivilege	2632	imdcsc.exe
Token: SeRestorePrivilege	2632	imdcsc.exe
Token: SeShutdownPrivilege	2632	imdcsc.exe
Token: SeDebugPrivilege	2632	imdcsc.exe
Token: SeSystemEnvironmentPrivilege	2632	imdcsc.exe
Token: SeChangeNotifyPrivilege	2632	imdcsc.exe
Token: SeRemoteShutdownPrivilege	2632	imdcsc.exe
Token: SeUndockPrivilege	2632	imdcsc.exe
Token: SeManageVolumePrivilege	2632	imdcsc.exe
Token: SeImpersonatePrivilege	2632	imdcsc.exe
Token: SeCreateGlobalPrivilege	2632	imdcsc.exe
Token: 33	2632	imdcsc.exe
Token: 34	2632	imdcsc.exe
Token: 35	2632	imdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

imdcsc.exe

pid process

2632 imdcsc.exe

pid	process
2632	imdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exef96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exeIMDCSC.exe

description	pid	process	target process
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 3012 wrote to memory of 2832	3012	f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
PID 2832 wrote to memory of 2432	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe	IMDCSC.exe
PID 2832 wrote to memory of 2432	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe	IMDCSC.exe
PID 2832 wrote to memory of 2432	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe	IMDCSC.exe
PID 2832 wrote to memory of 2432	2832	f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe	IMDCSC.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe
PID 2432 wrote to memory of 2632	2432	IMDCSC.exe	imdcsc.exe

C:\Users\Admin\AppData\Local\Temp\f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f96ba348f67b838a12e7cc5090ead87a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- \??\c:\users\admin\appdata\local\temp\f96ba348f67b838a12e7cc5090ead87a_jaffacakes118.exe
  "c:\users\admin\appdata\local\temp\f96ba348f67b838a12e7cc5090ead87a_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:2832
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2432
  - - \??\c:\users\admin\documents\dcscmin\imdcsc.exe
      "c:\users\admin\documents\dcscmin\imdcsc.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
255KB

MD5
f96ba348f67b838a12e7cc5090ead87a

SHA1
009f55d47866e111d6a3141597e4426a162e4d6f

SHA256
612903e35d182857889d2b421a91de013a4c8e51111a2eea39c56b0bb635191f

SHA512
1c3ae2447a7bec342498f16c1135cb33151c97fc57be4568e7d832af0c1dfab26a85f5289bc60e8f21a33e27b1a254b76892e4f8005639268f82cb6dbee299aa

Download Submit
memory/2632-52-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-55-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-39-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-38-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-61-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-60-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-59-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-58-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-57-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-44-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-56-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-50-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-41-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-42-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-43-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-40-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-54-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-53-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-51-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-45-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-46-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-47-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-48-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2632-49-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-12-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2832-8-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-3-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-6-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-24-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-7-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-10-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-11-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-9-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-1-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download
memory/2832-2-0x0000000000400000-0x00000000004BB000-memory.dmp

Filesize
748KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads