darkcomet | b1506065f52358326c076d54417c4a1fb4885999cd241187bbc2770d4da75fcb

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-11-2024 23:26

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General

Target

8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Size

659KB
MD5

8864fdeab288f052ee0c85dfe019f2c5
SHA1

b674d37f28d3982cc507feaff591db709ff18b82
SHA256

b1506065f52358326c076d54417c4a1fb4885999cd241187bbc2770d4da75fcb
SHA512

cb843f5a3bd8a9bb10adf8b18ff68afaefcdcdcebfbf7248db14ebfe731598aceaebb8d0b599d891fe6520097328d18aee8c3cff413ef19b3d8a29de6199fea8
SSDEEP

12288:O9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hX:aZ1xuVVjfFoynPaVBUR8f+kN10EBt

Score

10^/10

darkcomet runeplay discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

RunePlay

runeplay.no-ip.org:255

Mutex

DC_MUTEX-NN52UMZ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
uujPZV2CVQTt
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

Processes:

8864fdeab288f052ee0c85dfe019f2c5_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"	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2892	attrib.exe
2184	attrib.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
2700	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe

pid	Process
2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exemsdcsc.exe

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"	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
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"	msdcsc.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 7 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:

cmd.execmd.exeattrib.exeattrib.exemsdcsc.exenotepad.exe8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid	Process
2700	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeSecurityPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeBackupPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeRestorePrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeShutdownPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeDebugPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeUndockPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: 33	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: 34	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: 35	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2700	msdcsc.exe
Token: SeSecurityPrivilege	2700	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2700	msdcsc.exe
Token: SeLoadDriverPrivilege	2700	msdcsc.exe
Token: SeSystemProfilePrivilege	2700	msdcsc.exe
Token: SeSystemtimePrivilege	2700	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2700	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2700	msdcsc.exe
Token: SeCreatePagefilePrivilege	2700	msdcsc.exe
Token: SeBackupPrivilege	2700	msdcsc.exe
Token: SeRestorePrivilege	2700	msdcsc.exe
Token: SeShutdownPrivilege	2700	msdcsc.exe
Token: SeDebugPrivilege	2700	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2700	msdcsc.exe
Token: SeChangeNotifyPrivilege	2700	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2700	msdcsc.exe
Token: SeUndockPrivilege	2700	msdcsc.exe
Token: SeManageVolumePrivilege	2700	msdcsc.exe
Token: SeImpersonatePrivilege	2700	msdcsc.exe
Token: SeCreateGlobalPrivilege	2700	msdcsc.exe
Token: 33	2700	msdcsc.exe
Token: 34	2700	msdcsc.exe
Token: 35	2700	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
2700	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.execmd.execmd.exemsdcsc.exe

description	pid	Process	procid_target
PID 2332 wrote to memory of 2284	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	31
PID 2332 wrote to memory of 2284	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	31
PID 2332 wrote to memory of 2284	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	31
PID 2332 wrote to memory of 2284	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	31
PID 2332 wrote to memory of 2452	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	32
PID 2332 wrote to memory of 2452	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	32
PID 2332 wrote to memory of 2452	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	32
PID 2332 wrote to memory of 2452	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	32
PID 2452 wrote to memory of 2892	2452	cmd.exe	36
PID 2452 wrote to memory of 2892	2452	cmd.exe	36
PID 2452 wrote to memory of 2892	2452	cmd.exe	36
PID 2452 wrote to memory of 2892	2452	cmd.exe	36
PID 2284 wrote to memory of 2184	2284	cmd.exe	35
PID 2284 wrote to memory of 2184	2284	cmd.exe	35
PID 2284 wrote to memory of 2184	2284	cmd.exe	35
PID 2284 wrote to memory of 2184	2284	cmd.exe	35
PID 2332 wrote to memory of 2700	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	37
PID 2332 wrote to memory of 2700	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	37
PID 2332 wrote to memory of 2700	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	37
PID 2332 wrote to memory of 2700	2332	8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe	37
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38
PID 2700 wrote to memory of 2800	2700	msdcsc.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2892	attrib.exe
2184	attrib.exe

C:\Users\Admin\AppData\Local\Temp\8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8864fdeab288f052ee0c85dfe019f2c5_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:2332
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2284
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\8864fdeab288f052ee0c85dfe019f2c5_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2184
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2892
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2800

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

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Downloads

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

Filesize
659KB

MD5
8864fdeab288f052ee0c85dfe019f2c5

SHA1
b674d37f28d3982cc507feaff591db709ff18b82

SHA256
b1506065f52358326c076d54417c4a1fb4885999cd241187bbc2770d4da75fcb

SHA512
cb843f5a3bd8a9bb10adf8b18ff68afaefcdcdcebfbf7248db14ebfe731598aceaebb8d0b599d891fe6520097328d18aee8c3cff413ef19b3d8a29de6199fea8

Download Submit
memory/2332-52-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2332-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2700-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2700-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2800-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2800-51-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download