darkcomet | 0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2

General

Target

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Size

252KB
MD5

22000f146a3b2f235ac1720fc849c5d0
SHA1

6ed142e261164c019f66eae1d896d80a269dadef
SHA256

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2
SHA512

0cee86d7864b98bb9dbdbe8ef6829ecf0660033b6a5ea2eeb1aabd7accbdad0c57c4261433c8034c6a0771e1a615f371acd203f7ab79243d99135aa363634c58

Score

10^/10

darkcomet evasion persistence rat trojan upx

Malware Config

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

T1004

Modify Registry

T1112

Processes:

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.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"	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

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

Disables RegEdit via registry modification
evasion
Disables Task Manager via registry modification
evasion
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2364 msdcsc.exe
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

pid	process
2364	msdcsc.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Control Panel\International\Geo\Nation	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

2364 msdcsc.exe

pid	process
2364	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeSecurityPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeTakeOwnershipPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeLoadDriverPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeSystemProfilePrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeSystemtimePrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeProfSingleProcessPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeIncBasePriorityPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeCreatePagefilePrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeBackupPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeRestorePrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeShutdownPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeDebugPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeSystemEnvironmentPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeChangeNotifyPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeRemoteShutdownPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeUndockPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeManageVolumePrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeImpersonatePrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeCreateGlobalPrivilege	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: 33	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: 34	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: 35	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: 36	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
Token: SeIncreaseQuotaPrivilege	2364	msdcsc.exe
Token: SeSecurityPrivilege	2364	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2364	msdcsc.exe
Token: SeLoadDriverPrivilege	2364	msdcsc.exe
Token: SeSystemProfilePrivilege	2364	msdcsc.exe
Token: SeSystemtimePrivilege	2364	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2364	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2364	msdcsc.exe
Token: SeCreatePagefilePrivilege	2364	msdcsc.exe
Token: SeBackupPrivilege	2364	msdcsc.exe
Token: SeRestorePrivilege	2364	msdcsc.exe
Token: SeShutdownPrivilege	2364	msdcsc.exe
Token: SeDebugPrivilege	2364	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2364	msdcsc.exe
Token: SeChangeNotifyPrivilege	2364	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2364	msdcsc.exe
Token: SeUndockPrivilege	2364	msdcsc.exe
Token: SeManageVolumePrivilege	2364	msdcsc.exe
Token: SeImpersonatePrivilege	2364	msdcsc.exe
Token: SeCreateGlobalPrivilege	2364	msdcsc.exe
Token: 33	2364	msdcsc.exe
Token: 34	2364	msdcsc.exe
Token: 35	2364	msdcsc.exe
Token: 36	2364	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2364 msdcsc.exe

pid	process
2364	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

Processes:

0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.execmd.execmd.exemsdcsc.exe

description	pid	process	target process
PID 3692 wrote to memory of 1032	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	cmd.exe
PID 3692 wrote to memory of 1032	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	cmd.exe
PID 3692 wrote to memory of 1032	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	cmd.exe
PID 3692 wrote to memory of 1176	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	cmd.exe
PID 3692 wrote to memory of 1176	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	cmd.exe
PID 3692 wrote to memory of 1176	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	cmd.exe
PID 1032 wrote to memory of 1572	1032	cmd.exe	attrib.exe
PID 1032 wrote to memory of 1572	1032	cmd.exe	attrib.exe
PID 1032 wrote to memory of 1572	1032	cmd.exe	attrib.exe
PID 1176 wrote to memory of 1836	1176	cmd.exe	attrib.exe
PID 1176 wrote to memory of 1836	1176	cmd.exe	attrib.exe
PID 1176 wrote to memory of 1836	1176	cmd.exe	attrib.exe
PID 3692 wrote to memory of 2364	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	msdcsc.exe
PID 3692 wrote to memory of 2364	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	msdcsc.exe
PID 3692 wrote to memory of 2364	3692	0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe	msdcsc.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe
PID 2364 wrote to memory of 2804	2364	msdcsc.exe	notepad.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1836 attrib.exe
1572 attrib.exe

pid	process
1836	attrib.exe
1572	attrib.exe

C:\Users\Admin\AppData\Local\Temp\0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe
"C:\Users\Admin\AppData\Local\Temp\0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1032
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2.exe" +s +h
    3⤵
    - Views/modifies file attributes
    PID:1572
- 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:1176
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Views/modifies file attributes
    PID:1836
- 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:2364
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:2804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

2

T1158

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
22000f146a3b2f235ac1720fc849c5d0

SHA1
6ed142e261164c019f66eae1d896d80a269dadef

SHA256
0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2

SHA512
0cee86d7864b98bb9dbdbe8ef6829ecf0660033b6a5ea2eeb1aabd7accbdad0c57c4261433c8034c6a0771e1a615f371acd203f7ab79243d99135aa363634c58

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

MD5
22000f146a3b2f235ac1720fc849c5d0

SHA1
6ed142e261164c019f66eae1d896d80a269dadef

SHA256
0e0d67c8f4801bef0dd89bdf70eb47eb815b01f2ae9b34215188cf92438453d2

SHA512
0cee86d7864b98bb9dbdbe8ef6829ecf0660033b6a5ea2eeb1aabd7accbdad0c57c4261433c8034c6a0771e1a615f371acd203f7ab79243d99135aa363634c58

Download Submit
memory/1032-115-0x0000000000000000-mapping.dmp

Download
memory/1176-116-0x0000000000000000-mapping.dmp

Download
memory/1572-117-0x0000000000000000-mapping.dmp

Download
memory/1836-118-0x0000000000000000-mapping.dmp

Download
memory/2364-119-0x0000000000000000-mapping.dmp

Download
memory/2364-123-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/2804-122-0x0000000000000000-mapping.dmp

Download
memory/2804-124-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

Filesize
4KB

Download
memory/3692-114-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads