darkcomet | 4ea4d839643908a89687a813fbd4b2f6cf181b25bfd308f363c6fc22fd8a6a68

Analysis

max time kernel
132s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 19:53

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General

Target

JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Size

1.6MB
MD5

84872548d241f11d30b0ec3cb37ef889
SHA1

cd7465a28cbe344f71b806d6ce0d4ee3a17e010f
SHA256

4ea4d839643908a89687a813fbd4b2f6cf181b25bfd308f363c6fc22fd8a6a68
SHA512

9ba00fb2a2758ff0d63420fbd317e6242a066c2c80b008d41931d56d8b06625b550a877153b14beff6094bd9289ae2cef010e52ecba08c0e66cf23d302a5a7ae
SSDEEP

24576:8RmJkcoQricOIQxiZY1iaLWSzWOxnyBLqyfWlo58iAoX62SdHfX9JduvU/X:pJZoQrbTFZY1iaTzcZPf8o58smXducv

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

37.59.186.230:1604

Mutex

DCMIN_MUTEX-WWWEW8L

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
2i6c1eVulMdM
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe

Executes dropped EXE 2 IoCs

pid	Process
536	IMDCSC.exe
2532	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
536	IMDCSC.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0009000000016d3f-21.dat	autoit_exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 536 set thread context of 2532	536	IMDCSC.exe	32

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	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSecurityPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeTakeOwnershipPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeLoadDriverPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSystemProfilePrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSystemtimePrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeProfSingleProcessPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeIncBasePriorityPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeCreatePagefilePrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeBackupPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeRestorePrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeShutdownPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeDebugPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeSystemEnvironmentPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeChangeNotifyPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeRemoteShutdownPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeUndockPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeManageVolumePrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeImpersonatePrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeCreateGlobalPrivilege	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 33	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 34	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: 35	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
Token: SeIncreaseQuotaPrivilege	2532	IMDCSC.exe
Token: SeSecurityPrivilege	2532	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2532	IMDCSC.exe
Token: SeLoadDriverPrivilege	2532	IMDCSC.exe
Token: SeSystemProfilePrivilege	2532	IMDCSC.exe
Token: SeSystemtimePrivilege	2532	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2532	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2532	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2532	IMDCSC.exe
Token: SeBackupPrivilege	2532	IMDCSC.exe
Token: SeRestorePrivilege	2532	IMDCSC.exe
Token: SeShutdownPrivilege	2532	IMDCSC.exe
Token: SeDebugPrivilege	2532	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2532	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2532	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2532	IMDCSC.exe
Token: SeUndockPrivilege	2532	IMDCSC.exe
Token: SeManageVolumePrivilege	2532	IMDCSC.exe
Token: SeImpersonatePrivilege	2532	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2532	IMDCSC.exe
Token: 33	2532	IMDCSC.exe
Token: 34	2532	IMDCSC.exe
Token: 35	2532	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2532	IMDCSC.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 2188 wrote to memory of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 2188 wrote to memory of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 2188 wrote to memory of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 2188 wrote to memory of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 2188 wrote to memory of 2620	2188	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	30
PID 2620 wrote to memory of 536	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	31
PID 2620 wrote to memory of 536	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	31
PID 2620 wrote to memory of 536	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	31
PID 2620 wrote to memory of 536	2620	JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe	31
PID 536 wrote to memory of 2532	536	IMDCSC.exe	32
PID 536 wrote to memory of 2532	536	IMDCSC.exe	32
PID 536 wrote to memory of 2532	536	IMDCSC.exe	32
PID 536 wrote to memory of 2532	536	IMDCSC.exe	32
PID 536 wrote to memory of 2532	536	IMDCSC.exe	32
PID 536 wrote to memory of 2532	536	IMDCSC.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84872548d241f11d30b0ec3cb37ef889.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:2620
- - 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:536
  - - 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:2532

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

C:\Users\Admin\AppData\Roaming\sfe.rtf

Filesize
658KB

MD5
43ab232717d95c8e0cce23c749d53932

SHA1
b8c8695fefbfbfa83a2bdd18c3f7fc7c15ee03a2

SHA256
36c7fec63d94ab002c76e35af0af9fcce6783e943fc0a442f2da0f676d1bf787

SHA512
f89fb7bdc980bb5c3f972653c7516cfbdefddeb2f8bce55a0f78477d037922dcbf01ef5ab9792a4a63db68cef80f7cf0ac6df1d7660582e2720e8b8cd7cef5b8

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
1.6MB

MD5
84872548d241f11d30b0ec3cb37ef889

SHA1
cd7465a28cbe344f71b806d6ce0d4ee3a17e010f

SHA256
4ea4d839643908a89687a813fbd4b2f6cf181b25bfd308f363c6fc22fd8a6a68

SHA512
9ba00fb2a2758ff0d63420fbd317e6242a066c2c80b008d41931d56d8b06625b550a877153b14beff6094bd9289ae2cef010e52ecba08c0e66cf23d302a5a7ae

Download Submit
memory/2532-44-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2532-43-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2532-42-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2532-41-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2532-39-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2620-14-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2620-15-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2620-31-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2620-13-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2620-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-10-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2620-11-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download
memory/2620-6-0x00000000000C0000-0x0000000000172000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads