darkcomet | e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890

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
10-12-2024 15:16

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General

Target

e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe
Size

718KB
MD5

7a59e4b586b19bb7e57799e71831bf30
SHA1

260639259b3781deaed92c9c63e196a3b9c100be
SHA256

e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890
SHA512

e233cf418db931990a8671b6e1c7e52dc2a7595cb77e913e98c9f2c2150e6b713012cd19f2487761a8e364e320af47741cf7ab53142fe9305d7491a8b76d747c
SSDEEP

12288:QL88mbu2rpKomPPijFbJ34tEZCgWSZkK5VdKbggPdOXwx6vwGpy30Yw6W:b8p2goysF4taCgVRdiNlOQF30V

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-1-5-21-4050598569-1597076380-177084960-1000\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
516	attrib.exe
1472	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	ror.exe

Executes dropped EXE 1 IoCs

pid	Process
3572	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023b92-4.dat	upx
behavioral2/memory/3572-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3572-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3572-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3572-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3572-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3572-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3268	3988	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 6 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	e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ror.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	attrib.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000_Classes\Local Settings	e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3572	ror.exe
Token: SeSecurityPrivilege	3572	ror.exe
Token: SeTakeOwnershipPrivilege	3572	ror.exe
Token: SeLoadDriverPrivilege	3572	ror.exe
Token: SeSystemProfilePrivilege	3572	ror.exe
Token: SeSystemtimePrivilege	3572	ror.exe
Token: SeProfSingleProcessPrivilege	3572	ror.exe
Token: SeIncBasePriorityPrivilege	3572	ror.exe
Token: SeCreatePagefilePrivilege	3572	ror.exe
Token: SeBackupPrivilege	3572	ror.exe
Token: SeRestorePrivilege	3572	ror.exe
Token: SeShutdownPrivilege	3572	ror.exe
Token: SeDebugPrivilege	3572	ror.exe
Token: SeSystemEnvironmentPrivilege	3572	ror.exe
Token: SeChangeNotifyPrivilege	3572	ror.exe
Token: SeRemoteShutdownPrivilege	3572	ror.exe
Token: SeUndockPrivilege	3572	ror.exe
Token: SeManageVolumePrivilege	3572	ror.exe
Token: SeImpersonatePrivilege	3572	ror.exe
Token: SeCreateGlobalPrivilege	3572	ror.exe
Token: 33	3572	ror.exe
Token: 34	3572	ror.exe
Token: 35	3572	ror.exe
Token: 36	3572	ror.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
712	OpenWith.exe
3572	ror.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3572	224	e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe	82
PID 224 wrote to memory of 3572	224	e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe	82
PID 224 wrote to memory of 3572	224	e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe	82
PID 3572 wrote to memory of 3724	3572	ror.exe	84
PID 3572 wrote to memory of 3724	3572	ror.exe	84
PID 3572 wrote to memory of 3724	3572	ror.exe	84
PID 3572 wrote to memory of 396	3572	ror.exe	85
PID 3572 wrote to memory of 396	3572	ror.exe	85
PID 3572 wrote to memory of 396	3572	ror.exe	85
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3572 wrote to memory of 3988	3572	ror.exe	87
PID 3724 wrote to memory of 516	3724	cmd.exe	91
PID 3724 wrote to memory of 516	3724	cmd.exe	91
PID 3724 wrote to memory of 516	3724	cmd.exe	91
PID 396 wrote to memory of 1472	396	cmd.exe	92
PID 396 wrote to memory of 1472	396	cmd.exe	92
PID 396 wrote to memory of 1472	396	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
1472	attrib.exe
516	attrib.exe

C:\Users\Admin\AppData\Local\Temp\e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe
"C:\Users\Admin\AppData\Local\Temp\e8412105090ad0e9d7d905b811afd4c055f69ed631b0b6de8fe34ffac23de890.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:224
- 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:3572
- - 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:3724
  - - 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:516
- - 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:396
  - - 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:1472
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:3988
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3988 -s 76
      4⤵
      Program crash
      PID:3268

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:712

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3988 -ip 3988
1⤵
PID:2864

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/3572-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3572-16-0x0000000000810000-0x0000000000811000-memory.dmp

Filesize
4KB

Download
memory/3572-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3572-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3572-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3572-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3572-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3988-17-0x0000000000B90000-0x0000000000B91000-memory.dmp

Filesize
4KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads