darkcomet | 0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9

Resubmissions

11/10/2024, 17:49

241011-wehccavenb 10

11/10/2024, 17:33

241011-v48edszalq 10

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/10/2024, 17:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Size

683KB
MD5

22a5fe0f5665eee23c3d4678168d0440
SHA1

3d9fe530983720e5afb376789c2aa2c18a29b0cf
SHA256

0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9
SHA512

b8f4c6632a7ad8d6bdd410fd4940f05ec52cd473c468b215fb2f5425bc61198fbe3686cc3f4f13134eaf6e6c17ca8df305185d9999c157e65c9f92799638a57b
SSDEEP

12288:x9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/heE:rZ1xuVVjfFoynPaVBUR8f+kN10EBd

Score

10^/10

darkcomet öüüüííé ìïíïé discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÖÜÜÜÍíÉ ÌÏíÏÉ

ayha.no-ip.biz:1604

Mutex

DC_MUTEX-VSKSUHQ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
MHgCcRtjTlzh
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"	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

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

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 2 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\AntiVirusDisableNotify = "1"	msdcsc.exe
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Deletes itself 1 IoCs

pid	Process
2544	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2696	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe

Windows security modification 2 TTPs 2 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\AntiVirusDisableNotify = "1"	msdcsc.exe
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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\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 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	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeSecurityPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeTakeOwnershipPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeLoadDriverPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeSystemProfilePrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeSystemtimePrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeProfSingleProcessPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeIncBasePriorityPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeCreatePagefilePrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeBackupPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeRestorePrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeShutdownPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeDebugPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeSystemEnvironmentPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeChangeNotifyPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeRemoteShutdownPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeUndockPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeManageVolumePrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeImpersonatePrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeCreateGlobalPrivilege	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: 33	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: 34	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: 35	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
Token: SeIncreaseQuotaPrivilege	2696	msdcsc.exe
Token: SeSecurityPrivilege	2696	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2696	msdcsc.exe
Token: SeLoadDriverPrivilege	2696	msdcsc.exe
Token: SeSystemProfilePrivilege	2696	msdcsc.exe
Token: SeSystemtimePrivilege	2696	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2696	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2696	msdcsc.exe
Token: SeCreatePagefilePrivilege	2696	msdcsc.exe
Token: SeBackupPrivilege	2696	msdcsc.exe
Token: SeRestorePrivilege	2696	msdcsc.exe
Token: SeShutdownPrivilege	2696	msdcsc.exe
Token: SeDebugPrivilege	2696	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2696	msdcsc.exe
Token: SeChangeNotifyPrivilege	2696	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2696	msdcsc.exe
Token: SeUndockPrivilege	2696	msdcsc.exe
Token: SeManageVolumePrivilege	2696	msdcsc.exe
Token: SeImpersonatePrivilege	2696	msdcsc.exe
Token: SeCreateGlobalPrivilege	2696	msdcsc.exe
Token: 33	2696	msdcsc.exe
Token: 34	2696	msdcsc.exe
Token: 35	2696	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2696	msdcsc.exe

Suspicious use of WriteProcessMemory 45 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2544	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	30
PID 2984 wrote to memory of 2696	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	31
PID 2984 wrote to memory of 2696	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	31
PID 2984 wrote to memory of 2696	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	31
PID 2984 wrote to memory of 2696	2984	0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe	31
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32
PID 2696 wrote to memory of 2868	2696	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.exe
"C:\Users\Admin\AppData\Local\Temp\0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9N.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:2984
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2868

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

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

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
683KB

MD5
22a5fe0f5665eee23c3d4678168d0440

SHA1
3d9fe530983720e5afb376789c2aa2c18a29b0cf

SHA256
0ea00c9097c8bf6678871789f84387b58f0a0336ac82fc84b4d705976618e4d9

SHA512
b8f4c6632a7ad8d6bdd410fd4940f05ec52cd473c468b215fb2f5425bc61198fbe3686cc3f4f13134eaf6e6c17ca8df305185d9999c157e65c9f92799638a57b

Download Submit
memory/2544-18-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2544-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2696-69-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2696-70-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2696-71-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2696-72-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2696-73-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2696-74-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2696-75-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2868-66-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2984-67-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2984-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads