darkcomet | ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3

General

Target

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Size

658KB
MD5

6d6aceaf5c3f2d9c02d292c15e4ff3d6
SHA1

b92e13064b7693551963909d879f1e9eae57a021
SHA256

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3
SHA512

6a78c45f1dc631f77b2bc5f7e2bc3e7dc31c8aa81f46f549de035616f922c277dce75bf12a710d3be02731e87f649a5cbb36e08226e256a141bad91ba51cfbb9
SSDEEP

12288:i9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hZ:OZ1xuVVjfFoynPaVBUR8f+kN10EBX

Score

10^/10

darkcomet sazan evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

127.0.0.1:1604

Mutex

DC_MUTEX-H33CPZ0

Attributes

gencode
oUoFztxq4qF8
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Processes:

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

Disables Task Manager via registry modification
evasion
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

2968 attrib.exe
3580 attrib.exe

pid	process
2968	attrib.exe
3580	attrib.exe

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:

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeSecurityPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeTakeOwnershipPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeLoadDriverPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeSystemProfilePrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeSystemtimePrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeProfSingleProcessPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeIncBasePriorityPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeCreatePagefilePrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeBackupPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeRestorePrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeShutdownPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeDebugPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeSystemEnvironmentPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeChangeNotifyPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeRemoteShutdownPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeUndockPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeManageVolumePrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeImpersonatePrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: SeCreateGlobalPrivilege	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: 33	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: 34	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: 35	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Token: 36	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

pid process

2544 ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

pid	process
2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.execmd.execmd.exe

description	pid	process	target process
PID 2544 wrote to memory of 2908	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe	cmd.exe
PID 2544 wrote to memory of 2908	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe	cmd.exe
PID 2544 wrote to memory of 2908	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe	cmd.exe
PID 2544 wrote to memory of 1080	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe	cmd.exe
PID 2544 wrote to memory of 1080	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe	cmd.exe
PID 2544 wrote to memory of 1080	2544	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe	cmd.exe
PID 2908 wrote to memory of 2968	2908	cmd.exe	attrib.exe
PID 2908 wrote to memory of 2968	2908	cmd.exe	attrib.exe
PID 2908 wrote to memory of 2968	2908	cmd.exe	attrib.exe
PID 1080 wrote to memory of 3580	1080	cmd.exe	attrib.exe
PID 1080 wrote to memory of 3580	1080	cmd.exe	attrib.exe
PID 1080 wrote to memory of 3580	1080	cmd.exe	attrib.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

2968 attrib.exe
3580 attrib.exe

pid	process
2968	attrib.exe
3580	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe
"C:\Users\Admin\AppData\Local\Temp\ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe"
1⤵
- Modifies firewall policy service
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2968
- 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:1080
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:3580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Hide Artifacts

2

T1564

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

memory/2544-0-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2544-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2544-3-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads