darkcomet | 285550ddfefd50bc0d6ad5494f8e7417c9a6a48d6f09c16db681fa4a9d799fa2

Analysis

max time kernel
149s
max time network
123s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 06:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Size

333KB
MD5

40829cf20ef915ac8487f3d134fbf456
SHA1

5a6b3e6911d804c89bd67eb9e6f2b522cfb44b65
SHA256

285550ddfefd50bc0d6ad5494f8e7417c9a6a48d6f09c16db681fa4a9d799fa2
SHA512

fb77c9ed7b7e42e157a732cb729297233106cd19e16f1b7533f5c81af793178675923f8bc7c1d5100d2526282fc4de1702274d11053ecbf1ee87e8180d70d887
SSDEEP

6144:bMMWJH007FoGoyy3GSrsM/XII6aN2Z1sVd+SK6brDgNqpbn+UnCT7m4OhUcV9Ui:2JH0NGoyYYB7Z10s+DgNqR+37m4Oci

Score

10^/10

darkcomet clean evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

CLeaN

serverc.serveblog.net:1723

Mutex

DC_MUTEX-DHA5MCE

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Q84yJDkCGvBe
install
true
offline_keylogger
true
password
Snakes
persistence
true
reg_key
��.b

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

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
2316	attrib.exe
2240	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí.b = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\ãíßÑæÈÏÇÊí.b = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeSecurityPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeBackupPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeRestorePrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeShutdownPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeDebugPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeUndockPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: 33	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: 34	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: 35	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2356	msdcsc.exe
Token: SeSecurityPrivilege	2356	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2356	msdcsc.exe
Token: SeLoadDriverPrivilege	2356	msdcsc.exe
Token: SeSystemProfilePrivilege	2356	msdcsc.exe
Token: SeSystemtimePrivilege	2356	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2356	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2356	msdcsc.exe
Token: SeCreatePagefilePrivilege	2356	msdcsc.exe
Token: SeBackupPrivilege	2356	msdcsc.exe
Token: SeRestorePrivilege	2356	msdcsc.exe
Token: SeShutdownPrivilege	2356	msdcsc.exe
Token: SeDebugPrivilege	2356	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2356	msdcsc.exe
Token: SeChangeNotifyPrivilege	2356	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2356	msdcsc.exe
Token: SeUndockPrivilege	2356	msdcsc.exe
Token: SeManageVolumePrivilege	2356	msdcsc.exe
Token: SeImpersonatePrivilege	2356	msdcsc.exe
Token: SeCreateGlobalPrivilege	2356	msdcsc.exe
Token: 33	2356	msdcsc.exe
Token: 34	2356	msdcsc.exe
Token: 35	2356	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2356	msdcsc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2108	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2108	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2108	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	30
PID 2692 wrote to memory of 2108	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	30
PID 2692 wrote to memory of 1916	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	31
PID 2692 wrote to memory of 1916	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	31
PID 2692 wrote to memory of 1916	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	31
PID 2692 wrote to memory of 1916	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	31
PID 1916 wrote to memory of 2316	1916	cmd.exe	34
PID 1916 wrote to memory of 2316	1916	cmd.exe	34
PID 1916 wrote to memory of 2316	1916	cmd.exe	34
PID 1916 wrote to memory of 2316	1916	cmd.exe	34
PID 2108 wrote to memory of 2240	2108	cmd.exe	35
PID 2108 wrote to memory of 2240	2108	cmd.exe	35
PID 2108 wrote to memory of 2240	2108	cmd.exe	35
PID 2108 wrote to memory of 2240	2108	cmd.exe	35
PID 2692 wrote to memory of 2356	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	36
PID 2692 wrote to memory of 2356	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	36
PID 2692 wrote to memory of 2356	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	36
PID 2692 wrote to memory of 2356	2692	40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe	36
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37
PID 2356 wrote to memory of 2460	2356	msdcsc.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2316	attrib.exe
2240	attrib.exe

C:\Users\Admin\AppData\Local\Temp\40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\40829cf20ef915ac8487f3d134fbf456_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2240
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1916
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2316
- C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:2460

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe

Filesize
333KB

MD5
40829cf20ef915ac8487f3d134fbf456

SHA1
5a6b3e6911d804c89bd67eb9e6f2b522cfb44b65

SHA256
285550ddfefd50bc0d6ad5494f8e7417c9a6a48d6f09c16db681fa4a9d799fa2

SHA512
fb77c9ed7b7e42e157a732cb729297233106cd19e16f1b7533f5c81af793178675923f8bc7c1d5100d2526282fc4de1702274d11053ecbf1ee87e8180d70d887

Download Submit
memory/2356-63-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-65-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-15-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-70-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-69-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-68-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-67-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-66-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-57-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-61-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-59-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-60-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-58-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-62-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2356-64-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2460-54-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2460-16-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2692-0-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2692-1-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2692-56-0x0000000000400000-0x00000000004E80BC-memory.dmp

Filesize
928KB

Download
memory/2692-13-0x0000000005400000-0x00000000054E9000-memory.dmp

Filesize
932KB

Download
memory/2692-14-0x0000000005400000-0x00000000054E9000-memory.dmp

Filesize
932KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads