darkcomet | 77253e0c5f0dfb205418dc37cb83cbc89505c2c234e5025ef0a21a9e2c94cc29

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2024 00:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Size

720KB
MD5

917c20807a517aeb9ff33de1f94dbbb9
SHA1

85f6e063cafd9b1a866cc7aaa65c3fadde9348c6
SHA256

77253e0c5f0dfb205418dc37cb83cbc89505c2c234e5025ef0a21a9e2c94cc29
SHA512

7c0d039e65992749d62bbf9ae7c73cfc59babaaa568d1ef251bacdd54ddacf47ad9cc90d8f7db815e2b281f950320d1a3fd9276e4d5f300912d54beec3412e84
SSDEEP

12288:jr+2I2KWdq/3avr/hp4arC17eB6shkDnvMktQRM8s/5RxJh:2729j4arCle0xDnvMcQRJshRX

Score

10^/10

darkcomet ??????discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

??????

alial123.zapto.org:288

Mutex

DC_MUTEX-M2M11G6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
XfHLu8XqdawJ
install
true
offline_keylogger
true
password
268426
persistence
false
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

Processes:

917c20807a517aeb9ff33de1f94dbbb9_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\\MSDCSC\\msdcsc.exe"	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.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

Processes:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

notepad.exe

pid	Process
4984	notepad.exe

Executes dropped EXE 2 IoCs

Processes:

msdcsc.exemsdcsc.exe

pid	Process
3652	msdcsc.exe
1608	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 2072 set thread context of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 3652 set thread context of 1608	3652	msdcsc.exe	86

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 5 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:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exenotepad.exemsdcsc.exemsdcsc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exemsdcsc.exe

pid	Process
2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
3652	msdcsc.exe
3652	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeSecurityPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeBackupPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeRestorePrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeShutdownPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeDebugPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeUndockPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: 33	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: 34	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: 35	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: 36	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1608	msdcsc.exe
Token: SeSecurityPrivilege	1608	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1608	msdcsc.exe
Token: SeLoadDriverPrivilege	1608	msdcsc.exe
Token: SeSystemProfilePrivilege	1608	msdcsc.exe
Token: SeSystemtimePrivilege	1608	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1608	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1608	msdcsc.exe
Token: SeCreatePagefilePrivilege	1608	msdcsc.exe
Token: SeBackupPrivilege	1608	msdcsc.exe
Token: SeRestorePrivilege	1608	msdcsc.exe
Token: SeShutdownPrivilege	1608	msdcsc.exe
Token: SeDebugPrivilege	1608	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1608	msdcsc.exe
Token: SeChangeNotifyPrivilege	1608	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1608	msdcsc.exe
Token: SeUndockPrivilege	1608	msdcsc.exe
Token: SeManageVolumePrivilege	1608	msdcsc.exe
Token: SeImpersonatePrivilege	1608	msdcsc.exe
Token: SeCreateGlobalPrivilege	1608	msdcsc.exe
Token: 33	1608	msdcsc.exe
Token: 34	1608	msdcsc.exe
Token: 35	1608	msdcsc.exe
Token: 36	1608	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
1608	msdcsc.exe

Suspicious use of WriteProcessMemory 48 IoCs

Processes:

917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 2072 wrote to memory of 1700	2072	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	83
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 4984	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	84
PID 1700 wrote to memory of 3652	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	85
PID 1700 wrote to memory of 3652	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	85
PID 1700 wrote to memory of 3652	1700	917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe	85
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86
PID 3652 wrote to memory of 1608	3652	msdcsc.exe	86

C:\Users\Admin\AppData\Local\Temp\917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\917c20807a517aeb9ff33de1f94dbbb9_JaffaCakes118.exe
  2⤵
  - 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:1700
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:4984
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3652
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1608

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
720KB

MD5
917c20807a517aeb9ff33de1f94dbbb9

SHA1
85f6e063cafd9b1a866cc7aaa65c3fadde9348c6

SHA256
77253e0c5f0dfb205418dc37cb83cbc89505c2c234e5025ef0a21a9e2c94cc29

SHA512
7c0d039e65992749d62bbf9ae7c73cfc59babaaa568d1ef251bacdd54ddacf47ad9cc90d8f7db815e2b281f950320d1a3fd9276e4d5f300912d54beec3412e84

Download Submit
memory/1608-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1608-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1700-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1700-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1700-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1700-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1700-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1700-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2072-0-0x0000000000540000-0x0000000000544000-memory.dmp

Filesize
16KB

Download
memory/4984-9-0x0000000000FC0000-0x0000000000FC1000-memory.dmp

Filesize
4KB

Download