darkcomet | 15430685b859b3a37e6fe88dc5ea8a0e2c373ebf3e07501e9bbd8bebd800305c

Analysis

max time kernel
150s
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
19-12-2024 02:46

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General

Target

fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Size

795KB
MD5

fe20fabfd161f2b0626f59f87668181c
SHA1

8e11a8cfae176127eade4d6067e97ecd64328e17
SHA256

15430685b859b3a37e6fe88dc5ea8a0e2c373ebf3e07501e9bbd8bebd800305c
SHA512

cd36eff3a23da54105c383e0abfa8cd937aa5796347b83c6c9e45b5c002309c3eac2d616063454949ce1d3693949123c4e0978027e4c505cf93400e6f2388d77
SSDEEP

24576:jnAw2WWeFcfbP9VPSPMTSPL/rWvzq4JJfprz4Mduc+:zELbVMTrOq494Mq

Score

10^/10

darkcomet fud discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

FUD

m419.zapto.org:1604

Mutex

DC_MUTEX-6Q5QX3J

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
cBxUYTZjN6L3
install
true
offline_keylogger
true
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

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"	fe20fabfd161f2b0626f59f87668181c_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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1468	msdcsc.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe

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 3 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	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSecurityPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeBackupPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeRestorePrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeShutdownPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeDebugPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeUndockPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 33	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 34	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 35	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 36	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1468	msdcsc.exe
Token: SeSecurityPrivilege	1468	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1468	msdcsc.exe
Token: SeLoadDriverPrivilege	1468	msdcsc.exe
Token: SeSystemProfilePrivilege	1468	msdcsc.exe
Token: SeSystemtimePrivilege	1468	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1468	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1468	msdcsc.exe
Token: SeCreatePagefilePrivilege	1468	msdcsc.exe
Token: SeBackupPrivilege	1468	msdcsc.exe
Token: SeRestorePrivilege	1468	msdcsc.exe
Token: SeShutdownPrivilege	1468	msdcsc.exe
Token: SeDebugPrivilege	1468	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1468	msdcsc.exe
Token: SeChangeNotifyPrivilege	1468	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1468	msdcsc.exe
Token: SeUndockPrivilege	1468	msdcsc.exe
Token: SeManageVolumePrivilege	1468	msdcsc.exe
Token: SeImpersonatePrivilege	1468	msdcsc.exe
Token: SeCreateGlobalPrivilege	1468	msdcsc.exe
Token: 33	1468	msdcsc.exe
Token: 34	1468	msdcsc.exe
Token: 35	1468	msdcsc.exe
Token: 36	1468	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1468	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4120 wrote to memory of 1468	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	82
PID 4120 wrote to memory of 1468	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	82
PID 4120 wrote to memory of 1468	4120	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	82
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83
PID 1468 wrote to memory of 4288	1468	msdcsc.exe	83

C:\Users\Admin\AppData\Local\Temp\fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.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:4120
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4288

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\MSDCSC\msdcsc.exe

Filesize
795KB

MD5
fe20fabfd161f2b0626f59f87668181c

SHA1
8e11a8cfae176127eade4d6067e97ecd64328e17

SHA256
15430685b859b3a37e6fe88dc5ea8a0e2c373ebf3e07501e9bbd8bebd800305c

SHA512
cd36eff3a23da54105c383e0abfa8cd937aa5796347b83c6c9e45b5c002309c3eac2d616063454949ce1d3693949123c4e0978027e4c505cf93400e6f2388d77

Download Submit
memory/1468-23-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-14-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/1468-21-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-22-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-16-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-17-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-18-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-19-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-29-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-20-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-28-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-27-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-24-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-25-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/1468-26-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/4120-0-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/4120-12-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/4288-15-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads