darkcomet | a5b6a5a91945f35f2489ee473e0effa1ff4838a18de47c4af3121926d296a7d1

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 17:21

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General

Target

JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Size

719KB
MD5

2df12d1179404ecf99091fc75f315837
SHA1

112cbe59057674cfa6b66c3524ba7ace48b0afad
SHA256

a5b6a5a91945f35f2489ee473e0effa1ff4838a18de47c4af3121926d296a7d1
SHA512

f6cb30884982f76283c506a4bc38e9cb63ea335efc99fa9980744f06f9e47aaf2159a66764de48d801df3e84ba22810c7ae8ba9c91e92ae3abe8cd01f8433069
SSDEEP

12288:gqdVQkLvAXIm/h0PJ1JGRwii53ho0VwFFct8MT/jifjcrjpTw:gmVQkLvAv0PJ1JGdaho0Vwc8O2bmxw

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-8BPSXEG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
QgNShfJAD75r
install
true
offline_keylogger
true
password
12345
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:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe

Executes dropped EXE 2 IoCs

pid	Process
2892	msdcsc.exe
2788	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
2892	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2548 set thread context of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2892 set thread context of 2788	2892	msdcsc.exe	32

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 4 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_2df12d1179404ecf99091fc75f315837.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeSecurityPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeTakeOwnershipPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeLoadDriverPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeSystemProfilePrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeSystemtimePrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeProfSingleProcessPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeIncBasePriorityPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeCreatePagefilePrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeBackupPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeRestorePrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeShutdownPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeDebugPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeSystemEnvironmentPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeChangeNotifyPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeRemoteShutdownPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeUndockPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeManageVolumePrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeImpersonatePrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeCreateGlobalPrivilege	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: 33	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: 34	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: 35	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
Token: SeIncreaseQuotaPrivilege	2788	msdcsc.exe
Token: SeSecurityPrivilege	2788	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2788	msdcsc.exe
Token: SeLoadDriverPrivilege	2788	msdcsc.exe
Token: SeSystemProfilePrivilege	2788	msdcsc.exe
Token: SeSystemtimePrivilege	2788	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2788	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2788	msdcsc.exe
Token: SeCreatePagefilePrivilege	2788	msdcsc.exe
Token: SeBackupPrivilege	2788	msdcsc.exe
Token: SeRestorePrivilege	2788	msdcsc.exe
Token: SeShutdownPrivilege	2788	msdcsc.exe
Token: SeDebugPrivilege	2788	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2788	msdcsc.exe
Token: SeChangeNotifyPrivilege	2788	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2788	msdcsc.exe
Token: SeUndockPrivilege	2788	msdcsc.exe
Token: SeManageVolumePrivilege	2788	msdcsc.exe
Token: SeImpersonatePrivilege	2788	msdcsc.exe
Token: SeCreateGlobalPrivilege	2788	msdcsc.exe
Token: 33	2788	msdcsc.exe
Token: 34	2788	msdcsc.exe
Token: 35	2788	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
2892	msdcsc.exe
2788	msdcsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 2548 wrote to memory of 1704	2548	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	30
PID 1704 wrote to memory of 2892	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	31
PID 1704 wrote to memory of 2892	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	31
PID 1704 wrote to memory of 2892	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	31
PID 1704 wrote to memory of 2892	1704	JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe	31
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32
PID 2892 wrote to memory of 2788	2892	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2df12d1179404ecf99091fc75f315837.exe"
  2⤵
  - 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:1704
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2892
  - - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2788

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

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

Filesize
719KB

MD5
2df12d1179404ecf99091fc75f315837

SHA1
112cbe59057674cfa6b66c3524ba7ace48b0afad

SHA256
a5b6a5a91945f35f2489ee473e0effa1ff4838a18de47c4af3121926d296a7d1

SHA512
f6cb30884982f76283c506a4bc38e9cb63ea335efc99fa9980744f06f9e47aaf2159a66764de48d801df3e84ba22810c7ae8ba9c91e92ae3abe8cd01f8433069

Download Submit
memory/1704-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1704-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1704-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads