darkcomet | f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 01:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Size

1.2MB
MD5

b613e758e631fcee1d431b5e26f3a87f
SHA1

10cb86a97152318ec62341aa35150c2ef9bff2ae
SHA256

f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8
SHA512

559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df
SSDEEP

24576:D1r3ZH1QqTA/ZcaNcJKi0ZcmBIT++QKe+6XP:D1ENm+cmUuL

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

yahoomessenger.myvnc.com:27015

Mutex

DC_MUTEX-GXCCBRG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
3lXcKivkNMZ6
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
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\\MSDCSC\\msdcsc.exe"	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2668	msdcsc.exe
2056	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2648 set thread context of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2668 set thread context of 2056	2668	msdcsc.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	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b613e758e631fcee1d431b5e26f3a87f_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 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeBackupPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeRestorePrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeDebugPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeUndockPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 33	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 34	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 35	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2056	msdcsc.exe
Token: SeSecurityPrivilege	2056	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2056	msdcsc.exe
Token: SeLoadDriverPrivilege	2056	msdcsc.exe
Token: SeSystemProfilePrivilege	2056	msdcsc.exe
Token: SeSystemtimePrivilege	2056	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2056	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2056	msdcsc.exe
Token: SeCreatePagefilePrivilege	2056	msdcsc.exe
Token: SeBackupPrivilege	2056	msdcsc.exe
Token: SeRestorePrivilege	2056	msdcsc.exe
Token: SeShutdownPrivilege	2056	msdcsc.exe
Token: SeDebugPrivilege	2056	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2056	msdcsc.exe
Token: SeChangeNotifyPrivilege	2056	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2056	msdcsc.exe
Token: SeUndockPrivilege	2056	msdcsc.exe
Token: SeManageVolumePrivilege	2056	msdcsc.exe
Token: SeImpersonatePrivilege	2056	msdcsc.exe
Token: SeCreateGlobalPrivilege	2056	msdcsc.exe
Token: 33	2056	msdcsc.exe
Token: 34	2056	msdcsc.exe
Token: 35	2056	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2056	msdcsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2648 wrote to memory of 2756	2648	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	30
PID 2756 wrote to memory of 2668	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2668	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2668	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	31
PID 2756 wrote to memory of 2668	2756	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	31
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32
PID 2668 wrote to memory of 2056	2668	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_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:2756
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2668
  - - 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:2056

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.2MB

MD5
b613e758e631fcee1d431b5e26f3a87f

SHA1
10cb86a97152318ec62341aa35150c2ef9bff2ae

SHA256
f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8

SHA512
559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df

Download Submit
memory/2056-81-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2648-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2648-1-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2648-31-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2668-78-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2668-47-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/2668-44-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2756-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-33-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2756-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2756-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads