darkcomet | 93293359fafc0adf8d6c70211674401c4ea799b96d516ac9bc7e9aa694f72f90

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 10:38

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General

Target

f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Size

661KB
MD5

f89e6abcba5b9946e47da02cee2ced9a
SHA1

0d8f39548a5eab3f0e1e665575a7b3d54e78edb1
SHA256

93293359fafc0adf8d6c70211674401c4ea799b96d516ac9bc7e9aa694f72f90
SHA512

0a5bf0e7b729f06c88cf65a7a66c38e39503cad4fedb750e993bba9fadd4d31838edcdee31b8f945d12d70af50e993ef41a36a40a33370642503b60e54a9b86c
SSDEEP

12288:E9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hu:IZ1xuVVjfFoynPaVBUR8f+kN10EBw

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

ashkar.no-ip.org:1604

Mutex

DC_MUTEX-G0FAELX

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
ywEaUnUCbAtD
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2128	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
1284	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
1984	f89e6abcba5b9946e47da02cee2ced9a_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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	f89e6abcba5b9946e47da02cee2ced9a_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 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

description	ioc	Process
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	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1284	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeSecurityPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeBackupPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeRestorePrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeShutdownPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeDebugPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeUndockPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: 33	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: 34	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: 35	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1284	msdcsc.exe
Token: SeSecurityPrivilege	1284	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1284	msdcsc.exe
Token: SeLoadDriverPrivilege	1284	msdcsc.exe
Token: SeSystemProfilePrivilege	1284	msdcsc.exe
Token: SeSystemtimePrivilege	1284	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1284	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1284	msdcsc.exe
Token: SeCreatePagefilePrivilege	1284	msdcsc.exe
Token: SeBackupPrivilege	1284	msdcsc.exe
Token: SeRestorePrivilege	1284	msdcsc.exe
Token: SeShutdownPrivilege	1284	msdcsc.exe
Token: SeDebugPrivilege	1284	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1284	msdcsc.exe
Token: SeChangeNotifyPrivilege	1284	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1284	msdcsc.exe
Token: SeUndockPrivilege	1284	msdcsc.exe
Token: SeManageVolumePrivilege	1284	msdcsc.exe
Token: SeImpersonatePrivilege	1284	msdcsc.exe
Token: SeCreateGlobalPrivilege	1284	msdcsc.exe
Token: 33	1284	msdcsc.exe
Token: 34	1284	msdcsc.exe
Token: 35	1284	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1284	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2528	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2528	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2528	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	30
PID 1984 wrote to memory of 2528	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	30
PID 2528 wrote to memory of 2128	2528	cmd.exe	32
PID 2528 wrote to memory of 2128	2528	cmd.exe	32
PID 2528 wrote to memory of 2128	2528	cmd.exe	32
PID 2528 wrote to memory of 2128	2528	cmd.exe	32
PID 1984 wrote to memory of 1284	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	33
PID 1984 wrote to memory of 1284	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	33
PID 1984 wrote to memory of 1284	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	33
PID 1984 wrote to memory of 1284	1984	f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe	33
PID 1284 wrote to memory of 2312	1284	msdcsc.exe	34
PID 1284 wrote to memory of 2312	1284	msdcsc.exe	34
PID 1284 wrote to memory of 2312	1284	msdcsc.exe	34
PID 1284 wrote to memory of 2312	1284	msdcsc.exe	34
PID 1284 wrote to memory of 2712	1284	msdcsc.exe	35
PID 1284 wrote to memory of 2712	1284	msdcsc.exe	35
PID 1284 wrote to memory of 2712	1284	msdcsc.exe	35
PID 1284 wrote to memory of 2712	1284	msdcsc.exe	35
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36
PID 1284 wrote to memory of 2132	1284	msdcsc.exe	36

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2128	attrib.exe

C:\Users\Admin\AppData\Local\Temp\f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\f89e6abcba5b9946e47da02cee2ced9a_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2128
- C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
  "C:\Windows\system32\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:1284
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2312
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2712
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2132

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

\Windows\SysWOW64\MSDCSC\msdcsc.exe

Filesize
661KB

MD5
f89e6abcba5b9946e47da02cee2ced9a

SHA1
0d8f39548a5eab3f0e1e665575a7b3d54e78edb1

SHA256
93293359fafc0adf8d6c70211674401c4ea799b96d516ac9bc7e9aa694f72f90

SHA512
0a5bf0e7b729f06c88cf65a7a66c38e39503cad4fedb750e993bba9fadd4d31838edcdee31b8f945d12d70af50e993ef41a36a40a33370642503b60e54a9b86c

Download Submit
memory/1284-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-52-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1284-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1984-0-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1984-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2132-12-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2132-50-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads