darkcomet | e9a15e860b9821c0baff77d16dad4e5921ac02332962659afb71bb9935797bca

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
28-11-2024 01:46

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General

Target

aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Size

756KB
MD5

aa8602d918951fb5458a63a0d97c90f2
SHA1

b444567a71dd3347573c450835ab2ed2e00b2218
SHA256

e9a15e860b9821c0baff77d16dad4e5921ac02332962659afb71bb9935797bca
SHA512

81747327c499007e7df6f3d9e6c4d58c5933bd3c0b97e9c598febfac18f4c29fe29e08a1731bcd420a023b021336d5e6ad9ce8fa8325cfd2d9490c5c607eb704
SSDEEP

12288:j9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hmnkD:tZ1xuVVjfFoynPaVBUR8f+kN10EBakD

Score

10^/10

darkcomet adxa discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ADXA

nielli.no-ip.org:54201

Mutex

DC_MUTEX-QQRNZKA

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
jlEBcbiPeKLB
install
true
offline_keylogger
true
password
y92ngbym
persistence
true
reg_key
WindowsHost

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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	aa8602d918951fb5458a63a0d97c90f2_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

pid	Process
2172	attrib.exe
2440	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
1628	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
2076	aa8602d918951fb5458a63a0d97c90f2_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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsHost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\WindowsHost = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	aa8602d918951fb5458a63a0d97c90f2_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 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

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	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeSecurityPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeBackupPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeRestorePrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeShutdownPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeDebugPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeUndockPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: 33	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: 34	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: 35	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1628	msdcsc.exe
Token: SeSecurityPrivilege	1628	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1628	msdcsc.exe
Token: SeLoadDriverPrivilege	1628	msdcsc.exe
Token: SeSystemProfilePrivilege	1628	msdcsc.exe
Token: SeSystemtimePrivilege	1628	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1628	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1628	msdcsc.exe
Token: SeCreatePagefilePrivilege	1628	msdcsc.exe
Token: SeBackupPrivilege	1628	msdcsc.exe
Token: SeRestorePrivilege	1628	msdcsc.exe
Token: SeShutdownPrivilege	1628	msdcsc.exe
Token: SeDebugPrivilege	1628	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1628	msdcsc.exe
Token: SeChangeNotifyPrivilege	1628	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1628	msdcsc.exe
Token: SeUndockPrivilege	1628	msdcsc.exe
Token: SeManageVolumePrivilege	1628	msdcsc.exe
Token: SeImpersonatePrivilege	1628	msdcsc.exe
Token: SeCreateGlobalPrivilege	1628	msdcsc.exe
Token: 33	1628	msdcsc.exe
Token: 34	1628	msdcsc.exe
Token: 35	1628	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1628	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1980	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	31
PID 2076 wrote to memory of 1980	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	31
PID 2076 wrote to memory of 1980	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	31
PID 2076 wrote to memory of 1980	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	31
PID 2076 wrote to memory of 2560	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2560	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2560	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	32
PID 2076 wrote to memory of 2560	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	32
PID 2560 wrote to memory of 2440	2560	cmd.exe	36
PID 2560 wrote to memory of 2440	2560	cmd.exe	36
PID 2560 wrote to memory of 2440	2560	cmd.exe	36
PID 2560 wrote to memory of 2440	2560	cmd.exe	36
PID 1980 wrote to memory of 2172	1980	cmd.exe	35
PID 1980 wrote to memory of 2172	1980	cmd.exe	35
PID 1980 wrote to memory of 2172	1980	cmd.exe	35
PID 1980 wrote to memory of 2172	1980	cmd.exe	35
PID 2076 wrote to memory of 1628	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	37
PID 2076 wrote to memory of 1628	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	37
PID 2076 wrote to memory of 1628	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	37
PID 2076 wrote to memory of 1628	2076	aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe	37
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38
PID 1628 wrote to memory of 2852	1628	msdcsc.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2440	attrib.exe
2172	attrib.exe

C:\Users\Admin\AppData\Local\Temp\aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aa8602d918951fb5458a63a0d97c90f2_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:2076
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\aa8602d918951fb5458a63a0d97c90f2_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2172
- 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:2560
- - 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:2440
- C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
  "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2852

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
aa8602d918951fb5458a63a0d97c90f2

SHA1
b444567a71dd3347573c450835ab2ed2e00b2218

SHA256
e9a15e860b9821c0baff77d16dad4e5921ac02332962659afb71bb9935797bca

SHA512
81747327c499007e7df6f3d9e6c4d58c5933bd3c0b97e9c598febfac18f4c29fe29e08a1731bcd420a023b021336d5e6ad9ce8fa8325cfd2d9490c5c607eb704

Download Submit
memory/1628-60-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-62-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-58-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-59-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-54-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-55-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-56-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-66-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-57-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-65-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-64-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-61-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1628-63-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2076-0-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2076-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2852-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2852-51-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads