darkcomet | b8ccb4159470c7b369aad2e32b55011b02e47a4120735bc19cc9efe523ec7007

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/10/2024, 22:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Size

1.0MB
MD5

3c752bb5a4ddace05418a61b12820a2c
SHA1

c9c818bf8a0247e89aaffe4f5a13655eb7e28680
SHA256

b8ccb4159470c7b369aad2e32b55011b02e47a4120735bc19cc9efe523ec7007
SHA512

92725cd9be489bca3a2b37cb5d98f9317bd75c0664453b8e6cfe079ab36a7f896ebb6c580e234a931e1f1b76059e4af4d08e4338cd244ed87ed523e23592e299
SSDEEP

12288:8nI9QX7d6RJR3QtMuCRcRqzk9443WFP80rUGiPubup0hjHXstzrv0eKu1q5zp/7m:8Ioh6h3QCuoz3YC44qpqe3Jfo1p/71o

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

rudras.no-ip.org:1704

Mutex

X38A4LN

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Uo8HBMcP92Nj
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

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\\Documents\\MSDCSC\\msdcsc.exe"	3c752bb5a4ddace05418a61b12820a2c_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
2840	attrib.exe
2580	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2684	msdcsc.exe
2812	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
2684	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1900 set thread context of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 2684 set thread context of 2812	2684	msdcsc.exe	38

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 9 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	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeSecurityPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeBackupPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeRestorePrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeShutdownPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeDebugPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeUndockPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: 33	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: 34	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: 35	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2812	msdcsc.exe
Token: SeSecurityPrivilege	2812	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2812	msdcsc.exe
Token: SeLoadDriverPrivilege	2812	msdcsc.exe
Token: SeSystemProfilePrivilege	2812	msdcsc.exe
Token: SeSystemtimePrivilege	2812	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2812	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2812	msdcsc.exe
Token: SeCreatePagefilePrivilege	2812	msdcsc.exe
Token: SeBackupPrivilege	2812	msdcsc.exe
Token: SeRestorePrivilege	2812	msdcsc.exe
Token: SeShutdownPrivilege	2812	msdcsc.exe
Token: SeDebugPrivilege	2812	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2812	msdcsc.exe
Token: SeChangeNotifyPrivilege	2812	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2812	msdcsc.exe
Token: SeUndockPrivilege	2812	msdcsc.exe
Token: SeManageVolumePrivilege	2812	msdcsc.exe
Token: SeImpersonatePrivilege	2812	msdcsc.exe
Token: SeCreateGlobalPrivilege	2812	msdcsc.exe
Token: 33	2812	msdcsc.exe
Token: 34	2812	msdcsc.exe
Token: 35	2812	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2812	msdcsc.exe

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2160	1900	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	30
PID 2160 wrote to memory of 2836	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2836	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2836	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2836	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	31
PID 2160 wrote to memory of 2752	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	32
PID 2160 wrote to memory of 2752	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	32
PID 2160 wrote to memory of 2752	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	32
PID 2160 wrote to memory of 2752	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	32
PID 2160 wrote to memory of 2684	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	35
PID 2160 wrote to memory of 2684	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	35
PID 2160 wrote to memory of 2684	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	35
PID 2160 wrote to memory of 2684	2160	3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe	35
PID 2836 wrote to memory of 2840	2836	cmd.exe	36
PID 2836 wrote to memory of 2840	2836	cmd.exe	36
PID 2836 wrote to memory of 2840	2836	cmd.exe	36
PID 2836 wrote to memory of 2840	2836	cmd.exe	36
PID 2752 wrote to memory of 2580	2752	cmd.exe	37
PID 2752 wrote to memory of 2580	2752	cmd.exe	37
PID 2752 wrote to memory of 2580	2752	cmd.exe	37
PID 2752 wrote to memory of 2580	2752	cmd.exe	37
PID 2684 wrote to memory of 2812	2684	msdcsc.exe	38
PID 2684 wrote to memory of 2812	2684	msdcsc.exe	38
PID 2684 wrote to memory of 2812	2684	msdcsc.exe	38
PID 2684 wrote to memory of 2812	2684	msdcsc.exe	38
PID 2684 wrote to memory of 2812	2684	msdcsc.exe	38
PID 2684 wrote to memory of 2812	2684	msdcsc.exe	38
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39
PID 2812 wrote to memory of 2584	2812	msdcsc.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2840	attrib.exe
2580	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.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:2160
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\3c752bb5a4ddace05418a61b12820a2c_JaffaCakes118.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2840
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2752
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2580
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      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:2812
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2584

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.0MB

MD5
3c752bb5a4ddace05418a61b12820a2c

SHA1
c9c818bf8a0247e89aaffe4f5a13655eb7e28680

SHA256
b8ccb4159470c7b369aad2e32b55011b02e47a4120735bc19cc9efe523ec7007

SHA512
92725cd9be489bca3a2b37cb5d98f9317bd75c0664453b8e6cfe079ab36a7f896ebb6c580e234a931e1f1b76059e4af4d08e4338cd244ed87ed523e23592e299

Download Submit
memory/1900-5-0x0000000000050000-0x0000000000157000-memory.dmp

Filesize
1.0MB

Download
memory/1900-0-0x0000000001CE0000-0x0000000001CE1000-memory.dmp

Filesize
4KB

Download
memory/2160-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2160-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2160-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2160-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2160-9-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2160-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2160-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2160-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2584-71-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2584-33-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2684-30-0x0000000000050000-0x0000000000157000-memory.dmp

Filesize
1.0MB

Download
memory/2684-21-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2812-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2812-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2812-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2812-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2812-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads