darkcomet | 15430685b859b3a37e6fe88dc5ea8a0e2c373ebf3e07501e9bbd8bebd800305c

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

Executes dropped EXE 1 IoCs

pid	Process
2384	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.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-1-5-21-2872745919-2748461613-2989606286-1000\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 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSecurityPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeBackupPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeRestorePrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeShutdownPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeDebugPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeUndockPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 33	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 34	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: 35	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2384	msdcsc.exe
Token: SeSecurityPrivilege	2384	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2384	msdcsc.exe
Token: SeLoadDriverPrivilege	2384	msdcsc.exe
Token: SeSystemProfilePrivilege	2384	msdcsc.exe
Token: SeSystemtimePrivilege	2384	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2384	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2384	msdcsc.exe
Token: SeCreatePagefilePrivilege	2384	msdcsc.exe
Token: SeBackupPrivilege	2384	msdcsc.exe
Token: SeRestorePrivilege	2384	msdcsc.exe
Token: SeShutdownPrivilege	2384	msdcsc.exe
Token: SeDebugPrivilege	2384	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2384	msdcsc.exe
Token: SeChangeNotifyPrivilege	2384	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2384	msdcsc.exe
Token: SeUndockPrivilege	2384	msdcsc.exe
Token: SeManageVolumePrivilege	2384	msdcsc.exe
Token: SeImpersonatePrivilege	2384	msdcsc.exe
Token: SeCreateGlobalPrivilege	2384	msdcsc.exe
Token: 33	2384	msdcsc.exe
Token: 34	2384	msdcsc.exe
Token: 35	2384	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2384	msdcsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2384	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2384	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2384	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2384	2524	fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe	30
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31
PID 2384 wrote to memory of 2336	2384	msdcsc.exe	31

C:\Users\Admin\AppData\Local\Temp\fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe20fabfd161f2b0626f59f87668181c_JaffaCakes118.exe"
1⤵
- 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:2524
- 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:2384
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2336

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

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

Filesize
795KB

MD5
fe20fabfd161f2b0626f59f87668181c

SHA1
8e11a8cfae176127eade4d6067e97ecd64328e17

SHA256
15430685b859b3a37e6fe88dc5ea8a0e2c373ebf3e07501e9bbd8bebd800305c

SHA512
cd36eff3a23da54105c383e0abfa8cd937aa5796347b83c6c9e45b5c002309c3eac2d616063454949ce1d3693949123c4e0978027e4c505cf93400e6f2388d77

Download Submit
memory/2336-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2336-38-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2384-43-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-45-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-52-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-39-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-40-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-41-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-42-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-51-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-44-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2384-46-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-47-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-48-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-49-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2384-50-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download
memory/2524-0-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2524-11-0x0000000000400000-0x00000000004D6000-memory.dmp

Filesize
856KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads