darkcomet | fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dc

Analysis

max time kernel
119s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 03:01

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General

Target

fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe
Size

718KB
MD5

cc2f7185c6f4fb6308920d5a5676a600
SHA1

2b5d0eb8e5cd4f76b3504e5011d8eed711c9fcb5
SHA256

fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dc
SHA512

ffa55b7d96a57213c98374332d26463b9779bcaff52a509df9e523f8e4171770859666bcf07a7215c4c31941269c8d4d89f142d04df8337d7ff174859bf7c67a
SSDEEP

12288:QL88mbu2rpKomPPijFbJ34tEZCgWSZkK5VdKbggPdOXwx6vwGpy30Yw6m:b8p2goysF4taCgVRdiNlOQF309

Score

10^/10

darkcomet fo discovery evasion rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

127.0.0.1:1010

46.39.230.61:1010

Mutex

DC_MUTEX-PR2UBLF

Attributes

gencode
ovcHaFsW9bRT
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

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"	ror.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"	ror.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ror.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	ror.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
724	attrib.exe
1832	attrib.exe

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	ror.exe

Executes dropped EXE 1 IoCs

pid	Process
1880	ror.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"	ror.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	ror.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b21-4.dat	upx
behavioral2/memory/1880-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1880-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1880-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1880-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1880-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1880-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1880-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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 7 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	ror.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000_Classes\Local Settings	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1880	ror.exe
Token: SeSecurityPrivilege	1880	ror.exe
Token: SeTakeOwnershipPrivilege	1880	ror.exe
Token: SeLoadDriverPrivilege	1880	ror.exe
Token: SeSystemProfilePrivilege	1880	ror.exe
Token: SeSystemtimePrivilege	1880	ror.exe
Token: SeProfSingleProcessPrivilege	1880	ror.exe
Token: SeIncBasePriorityPrivilege	1880	ror.exe
Token: SeCreatePagefilePrivilege	1880	ror.exe
Token: SeBackupPrivilege	1880	ror.exe
Token: SeRestorePrivilege	1880	ror.exe
Token: SeShutdownPrivilege	1880	ror.exe
Token: SeDebugPrivilege	1880	ror.exe
Token: SeSystemEnvironmentPrivilege	1880	ror.exe
Token: SeChangeNotifyPrivilege	1880	ror.exe
Token: SeRemoteShutdownPrivilege	1880	ror.exe
Token: SeUndockPrivilege	1880	ror.exe
Token: SeManageVolumePrivilege	1880	ror.exe
Token: SeImpersonatePrivilege	1880	ror.exe
Token: SeCreateGlobalPrivilege	1880	ror.exe
Token: 33	1880	ror.exe
Token: 34	1880	ror.exe
Token: 35	1880	ror.exe
Token: 36	1880	ror.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1880	ror.exe
3560	OpenWith.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1880	1516	fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe	84
PID 1516 wrote to memory of 1880	1516	fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe	84
PID 1516 wrote to memory of 1880	1516	fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe	84
PID 1880 wrote to memory of 432	1880	ror.exe	86
PID 1880 wrote to memory of 432	1880	ror.exe	86
PID 1880 wrote to memory of 432	1880	ror.exe	86
PID 1880 wrote to memory of 5048	1880	ror.exe	88
PID 1880 wrote to memory of 5048	1880	ror.exe	88
PID 1880 wrote to memory of 5048	1880	ror.exe	88
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 1880 wrote to memory of 1600	1880	ror.exe	89
PID 432 wrote to memory of 724	432	cmd.exe	91
PID 432 wrote to memory of 724	432	cmd.exe	91
PID 432 wrote to memory of 724	432	cmd.exe	91
PID 5048 wrote to memory of 1832	5048	cmd.exe	92
PID 5048 wrote to memory of 1832	5048	cmd.exe	92
PID 5048 wrote to memory of 1832	5048	cmd.exe	92

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	ror.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	ror.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	ror.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
724	attrib.exe
1832	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe
"C:\Users\Admin\AppData\Local\Temp\fba9123755068d98735d9c5a00d99abd57a90acaccce9b1a0549c1aeb76613dcN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\ror.exe
  "C:\Users\Admin\AppData\Local\Temp\ror.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Checks computer location settings
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1880
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ror.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:432
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\ror.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:724
- - 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:5048
  - - 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:1832
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1600

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Temp\ror.exe

Filesize
251KB

MD5
169b88b99a74428b0dbc617fb209379e

SHA1
4743c42d5aea002dc04dbfe4e4eba2a2c4da6014

SHA256
6f6113d00980391262126021c78100e29d9cd12ca97c18ca1172c12e7138ce80

SHA512
44fdf103ee303b7497a633f595daf22704dc7af012796201bf9ac76561b41d10b6fc6007f5de5eeadf2a1c2db83310a5b73a7a466da3bb92ef4f675244f3666d

Download Submit
memory/1600-17-0x00000000008B0000-0x00000000008B1000-memory.dmp

Filesize
4KB

Download
memory/1880-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1880-16-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

Filesize
4KB

Download
memory/1880-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1880-20-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

Filesize
4KB

Download
memory/1880-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1880-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1880-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1880-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1880-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads