darkcomet | c43434a415763a328dbebcb7f0c27cfe5972a216728b4eacdaa1f35f06f568ba

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2025, 07:45

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General

Target

JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Size

232KB
MD5

0ba7b8d965c537a055fd71d37b1390e6
SHA1

f0a0f1aff95c08cce9dac2aef1d5a89611c66b27
SHA256

c43434a415763a328dbebcb7f0c27cfe5972a216728b4eacdaa1f35f06f568ba
SHA512

da8c2a9404066b33c52381bbc2277c1c27a7be346053360552a1a04893f7e3d18d0bb859931c9374c076d819a1f259b941313b03863c7aa671924537dfbc649b
SSDEEP

6144:GjFy93LU92VxOtVflFud4TnxcpPTASCmqMorHwMb+oS:mFy9bPQZlFjrG0ZmYbwg+oS

Score

10^/10

darkcomet slave discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Slave

68.53.85.102 :1604

Mutex

DCMIN_MUTEX-025M0EV

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
PcXH8XKE2wN4
install
true
offline_keylogger
true
persistence
false
reg_key
nets

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_0ba7b8d965c537a055fd71d37b1390e6.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe

Executes dropped EXE 1 IoCs

pid	Process
2480	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\nets = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1236-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/files/0x0007000000023c9b-6.dat	upx
behavioral2/memory/2480-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1236-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2480-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2480-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2480-21-0x0000000000400000-0x00000000004B7000-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 2 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_0ba7b8d965c537a055fd71d37b1390e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeSecurityPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeTakeOwnershipPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeLoadDriverPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeSystemProfilePrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeSystemtimePrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeProfSingleProcessPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeIncBasePriorityPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeCreatePagefilePrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeBackupPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeRestorePrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeShutdownPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeDebugPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeSystemEnvironmentPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeChangeNotifyPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeRemoteShutdownPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeUndockPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeManageVolumePrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeImpersonatePrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeCreateGlobalPrivilege	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: 33	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: 34	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: 35	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: 36	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
Token: SeIncreaseQuotaPrivilege	2480	IMDCSC.exe
Token: SeSecurityPrivilege	2480	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2480	IMDCSC.exe
Token: SeLoadDriverPrivilege	2480	IMDCSC.exe
Token: SeSystemProfilePrivilege	2480	IMDCSC.exe
Token: SeSystemtimePrivilege	2480	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2480	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2480	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2480	IMDCSC.exe
Token: SeBackupPrivilege	2480	IMDCSC.exe
Token: SeRestorePrivilege	2480	IMDCSC.exe
Token: SeShutdownPrivilege	2480	IMDCSC.exe
Token: SeDebugPrivilege	2480	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2480	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2480	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2480	IMDCSC.exe
Token: SeUndockPrivilege	2480	IMDCSC.exe
Token: SeManageVolumePrivilege	2480	IMDCSC.exe
Token: SeImpersonatePrivilege	2480	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2480	IMDCSC.exe
Token: 33	2480	IMDCSC.exe
Token: 34	2480	IMDCSC.exe
Token: 35	2480	IMDCSC.exe
Token: 36	2480	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2480	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 2480	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe	83
PID 1236 wrote to memory of 2480	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe	83
PID 1236 wrote to memory of 2480	1236	JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ba7b8d965c537a055fd71d37b1390e6.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2480

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

Query Registry

T1012

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\Documents\DCSCMIN\IMDCSC.exe

Filesize
232KB

MD5
0ba7b8d965c537a055fd71d37b1390e6

SHA1
f0a0f1aff95c08cce9dac2aef1d5a89611c66b27

SHA256
c43434a415763a328dbebcb7f0c27cfe5972a216728b4eacdaa1f35f06f568ba

SHA512
da8c2a9404066b33c52381bbc2277c1c27a7be346053360552a1a04893f7e3d18d0bb859931c9374c076d819a1f259b941313b03863c7aa671924537dfbc649b

Download Submit
memory/1236-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1236-1-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/1236-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2480-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2480-14-0x0000000000780000-0x0000000000781000-memory.dmp

Filesize
4KB

Download
memory/2480-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2480-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2480-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads