darkcomet | e62a4691aa6400e577127e91a57a6b3a8636836b234c885099dffd90be98f072

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
20-04-2024 00:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Size

756KB
MD5

fb8e1534329adc7639e908f62b48bb52
SHA1

82385f786fe919ec65311c36280ec7d2de02c564
SHA256

e62a4691aa6400e577127e91a57a6b3a8636836b234c885099dffd90be98f072
SHA512

55f58d7f8698bd53c94cea21e7d98ab67cf47a1b2614b1aa19f67716691b947723d8559a54cb98f10a7a5483883accfef674c53f01c2a4ee94acc93ab0ea341f
SSDEEP

12288:d9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9EkNC/aMsE3:3Z1xuVVjfFoynPaVBUR8f+kN10Eda+3

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

soronopkzelite.no-ip.org:70

Mutex

DC_MUTEX-6QU9SKK

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
iSevFmhtikT2
install
true
offline_keylogger
true
persistence
false
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

Processes:

fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe

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"	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

msdcsc.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.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

Processes:

attrib.exeattrib.exe

pid	Process
3032	attrib.exe
2540	attrib.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
2588	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe

pid	Process
1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid	Process
2588	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeSecurityPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeBackupPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeRestorePrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeShutdownPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeDebugPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeUndockPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: 33	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: 34	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: 35	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2588	msdcsc.exe
Token: SeSecurityPrivilege	2588	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2588	msdcsc.exe
Token: SeLoadDriverPrivilege	2588	msdcsc.exe
Token: SeSystemProfilePrivilege	2588	msdcsc.exe
Token: SeSystemtimePrivilege	2588	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2588	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2588	msdcsc.exe
Token: SeCreatePagefilePrivilege	2588	msdcsc.exe
Token: SeBackupPrivilege	2588	msdcsc.exe
Token: SeRestorePrivilege	2588	msdcsc.exe
Token: SeShutdownPrivilege	2588	msdcsc.exe
Token: SeDebugPrivilege	2588	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2588	msdcsc.exe
Token: SeChangeNotifyPrivilege	2588	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2588	msdcsc.exe
Token: SeUndockPrivilege	2588	msdcsc.exe
Token: SeManageVolumePrivilege	2588	msdcsc.exe
Token: SeImpersonatePrivilege	2588	msdcsc.exe
Token: SeCreateGlobalPrivilege	2588	msdcsc.exe
Token: 33	2588	msdcsc.exe
Token: 34	2588	msdcsc.exe
Token: 35	2588	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
2588	msdcsc.exe

Suspicious use of WriteProcessMemory 51 IoCs

Processes:

fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.execmd.execmd.exemsdcsc.exe

description	pid	Process	procid_target
PID 1956 wrote to memory of 1608	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1608	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1608	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	28
PID 1956 wrote to memory of 1608	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	28
PID 1956 wrote to memory of 2716	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2716	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2716	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	30
PID 1956 wrote to memory of 2716	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	30
PID 1608 wrote to memory of 3032	1608	cmd.exe	32
PID 1608 wrote to memory of 3032	1608	cmd.exe	32
PID 1608 wrote to memory of 3032	1608	cmd.exe	32
PID 1608 wrote to memory of 3032	1608	cmd.exe	32
PID 2716 wrote to memory of 2540	2716	cmd.exe	33
PID 2716 wrote to memory of 2540	2716	cmd.exe	33
PID 2716 wrote to memory of 2540	2716	cmd.exe	33
PID 2716 wrote to memory of 2540	2716	cmd.exe	33
PID 1956 wrote to memory of 2588	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	34
PID 1956 wrote to memory of 2588	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	34
PID 1956 wrote to memory of 2588	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	34
PID 1956 wrote to memory of 2588	1956	fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe	34
PID 2588 wrote to memory of 2500	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2500	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2500	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2500	2588	msdcsc.exe	35
PID 2588 wrote to memory of 2520	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2520	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2520	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2520	2588	msdcsc.exe	36
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37
PID 2588 wrote to memory of 2400	2588	msdcsc.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
3032	attrib.exe
2540	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fb8e1534329adc7639e908f62b48bb52_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:1956
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\fb8e1534329adc7639e908f62b48bb52_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:3032
- 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:2716
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2540
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2500
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2520
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:2400

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

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
756KB

MD5
fb8e1534329adc7639e908f62b48bb52

SHA1
82385f786fe919ec65311c36280ec7d2de02c564

SHA256
e62a4691aa6400e577127e91a57a6b3a8636836b234c885099dffd90be98f072

SHA512
55f58d7f8698bd53c94cea21e7d98ab67cf47a1b2614b1aa19f67716691b947723d8559a54cb98f10a7a5483883accfef674c53f01c2a4ee94acc93ab0ea341f

Download Submit
memory/1956-39-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1956-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2400-13-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2400-38-0x0000000001E70000-0x0000000001E71000-memory.dmp

Filesize
4KB

Download
memory/2588-44-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-46-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-41-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-42-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-43-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-11-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2588-45-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-40-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-47-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-48-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-49-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-50-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-51-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-52-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2588-53-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download