darkcomet | 8ebeb8a6e65621b322065a05135e8f014c6c685f403544e02c221a6ac8540396

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-01-2025 13:39

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General

Target

JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Size

811KB
MD5

577d3549b8fa6fb01ed245f80b93cc37
SHA1

b84f3b77f909a83d18777a91f98ef97184549e00
SHA256

8ebeb8a6e65621b322065a05135e8f014c6c685f403544e02c221a6ac8540396
SHA512

5e70db8367d991bd989b1d33efc5b4101815da42e386fbfe90f30db4c2051d53dc854e915c72f693ac4666c6c5b5bd28d0eec27be258ea5d44883ab223b0ce6f
SSDEEP

12288:d9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/halYumbo:3Z1xuVVjfFoynPaVBUR8f+kN10EBs+o

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

7amza00.zapto.org:922

Mutex

DC_MUTEX-EHWYY9U

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
ZuS70S3vbaVz
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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe

Deletes itself 1 IoCs

pid	Process
2900	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.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\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "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

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	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeSecurityPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeTakeOwnershipPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeLoadDriverPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeSystemProfilePrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeSystemtimePrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeProfSingleProcessPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeIncBasePriorityPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeCreatePagefilePrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeBackupPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeRestorePrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeShutdownPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeDebugPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeSystemEnvironmentPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeChangeNotifyPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeRemoteShutdownPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeUndockPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeManageVolumePrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeImpersonatePrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeCreateGlobalPrivilege	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: 33	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: 34	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: 35	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
Token: SeIncreaseQuotaPrivilege	2768	msdcsc.exe
Token: SeSecurityPrivilege	2768	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2768	msdcsc.exe
Token: SeLoadDriverPrivilege	2768	msdcsc.exe
Token: SeSystemProfilePrivilege	2768	msdcsc.exe
Token: SeSystemtimePrivilege	2768	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2768	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2768	msdcsc.exe
Token: SeCreatePagefilePrivilege	2768	msdcsc.exe
Token: SeBackupPrivilege	2768	msdcsc.exe
Token: SeRestorePrivilege	2768	msdcsc.exe
Token: SeShutdownPrivilege	2768	msdcsc.exe
Token: SeDebugPrivilege	2768	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2768	msdcsc.exe
Token: SeChangeNotifyPrivilege	2768	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2768	msdcsc.exe
Token: SeUndockPrivilege	2768	msdcsc.exe
Token: SeManageVolumePrivilege	2768	msdcsc.exe
Token: SeImpersonatePrivilege	2768	msdcsc.exe
Token: SeCreateGlobalPrivilege	2768	msdcsc.exe
Token: 33	2768	msdcsc.exe
Token: 34	2768	msdcsc.exe
Token: 35	2768	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2768	msdcsc.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2900	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	30
PID 2092 wrote to memory of 2768	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	31
PID 2092 wrote to memory of 2768	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	31
PID 2092 wrote to memory of 2768	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	31
PID 2092 wrote to memory of 2768	2092	JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_577d3549b8fa6fb01ed245f80b93cc37.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:2092
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2900
- C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\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
  PID:2768

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

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

Filesize
811KB

MD5
577d3549b8fa6fb01ed245f80b93cc37

SHA1
b84f3b77f909a83d18777a91f98ef97184549e00

SHA256
8ebeb8a6e65621b322065a05135e8f014c6c685f403544e02c221a6ac8540396

SHA512
5e70db8367d991bd989b1d33efc5b4101815da42e386fbfe90f30db4c2051d53dc854e915c72f693ac4666c6c5b5bd28d0eec27be258ea5d44883ab223b0ce6f

Download Submit
memory/2092-3-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/2092-0-0x00000000002F0000-0x00000000002F4000-memory.dmp

Filesize
16KB

Download
memory/2092-8-0x0000000076FB1000-0x0000000076FB2000-memory.dmp

Filesize
4KB

Download
memory/2092-7-0x0000000002030000-0x0000000002040000-memory.dmp

Filesize
64KB

Download
memory/2092-45-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2092-5-0x0000000076FAF000-0x0000000076FB0000-memory.dmp

Filesize
4KB

Download
memory/2092-4-0x0000000076FB0000-0x0000000076FB1000-memory.dmp

Filesize
4KB

Download
memory/2092-46-0x0000000000390000-0x00000000003C9000-memory.dmp

Filesize
228KB

Download
memory/2092-2-0x0000000002030000-0x0000000002040000-memory.dmp

Filesize
64KB

Download
memory/2092-47-0x0000000076590000-0x00000000766A0000-memory.dmp

Filesize
1.1MB

Download
memory/2092-11-0x00000000765A9000-0x00000000765AA000-memory.dmp

Filesize
4KB

Download
memory/2092-14-0x0000000076590000-0x00000000766A0000-memory.dmp

Filesize
1.1MB

Download
memory/2092-1-0x0000000000390000-0x00000000003C9000-memory.dmp

Filesize
228KB

Download
memory/2092-9-0x0000000076FE8000-0x0000000076FE9000-memory.dmp

Filesize
4KB

Download
memory/2092-6-0x0000000000510000-0x0000000000520000-memory.dmp

Filesize
64KB

Download
memory/2092-10-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2768-63-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-59-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-56-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-55-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-50-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-51-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-52-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-62-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-54-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-61-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-60-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-57-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-58-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2768-53-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2900-49-0x0000000076590000-0x00000000766A0000-memory.dmp

Filesize
1.1MB

Download
memory/2900-15-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2900-34-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2900-35-0x0000000076590000-0x00000000766A0000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads