darkcomet | 23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca

Analysis

max time kernel
151s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20/10/2022, 01:08

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General

Target

23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Size

647KB
MD5

82d7fb6f8eac4e9de4b56956763f3e20
SHA1

bcae4eb9f4d54b10935a943a0d2edf404a1f062e
SHA256

23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca
SHA512

0c413294befd737df17712aa66e441b478cf4b96629ac267d3dd2c4ffce567abcc86f09992e3eeda13fb554af27a73e1063a6c67215341675efd2d45308583bd
SSDEEP

12288:Q8UaT9XY2siA0bMG09xD7I3Gg8ecgVvfBoCDBOQQYbVXpuy1f/gORixD:JUKoN0bUxgGa/pfBHDb+y1HgZZ

Score

10^/10

darkcomet evasion persistence rat trojan

Malware Config

Signatures

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

Modifies firewall policy service 2 TTPs 6 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	iexplore.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	iexplore.exe

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	iexplore.exe

Windows security bypass 2 TTPs 4 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
2036	attrib.exe
2000	attrib.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\System.exe"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Users\\Admin\\AppData\\Roaming\\System32\\System.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1060	iexplore.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeSecurityPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeTakeOwnershipPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeLoadDriverPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeSystemProfilePrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeSystemtimePrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeProfSingleProcessPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeIncBasePriorityPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeCreatePagefilePrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeBackupPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeRestorePrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeShutdownPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeDebugPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeSystemEnvironmentPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeChangeNotifyPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeRemoteShutdownPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeUndockPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeManageVolumePrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeImpersonatePrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeCreateGlobalPrivilege	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: 33	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: 34	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: 35	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Token: SeIncreaseQuotaPrivilege	1060	iexplore.exe
Token: SeSecurityPrivilege	1060	iexplore.exe
Token: SeTakeOwnershipPrivilege	1060	iexplore.exe
Token: SeLoadDriverPrivilege	1060	iexplore.exe
Token: SeSystemProfilePrivilege	1060	iexplore.exe
Token: SeSystemtimePrivilege	1060	iexplore.exe
Token: SeProfSingleProcessPrivilege	1060	iexplore.exe
Token: SeIncBasePriorityPrivilege	1060	iexplore.exe
Token: SeCreatePagefilePrivilege	1060	iexplore.exe
Token: SeBackupPrivilege	1060	iexplore.exe
Token: SeRestorePrivilege	1060	iexplore.exe
Token: SeShutdownPrivilege	1060	iexplore.exe
Token: SeDebugPrivilege	1060	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1060	iexplore.exe
Token: SeChangeNotifyPrivilege	1060	iexplore.exe
Token: SeRemoteShutdownPrivilege	1060	iexplore.exe
Token: SeUndockPrivilege	1060	iexplore.exe
Token: SeManageVolumePrivilege	1060	iexplore.exe
Token: SeImpersonatePrivilege	1060	iexplore.exe
Token: SeCreateGlobalPrivilege	1060	iexplore.exe
Token: 33	1060	iexplore.exe
Token: 34	1060	iexplore.exe
Token: 35	1060	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1060	iexplore.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 1748	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	27
PID 1652 wrote to memory of 1748	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	27
PID 1652 wrote to memory of 1748	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	27
PID 1652 wrote to memory of 1748	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	27
PID 1652 wrote to memory of 608	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	29
PID 1652 wrote to memory of 608	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	29
PID 1652 wrote to memory of 608	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	29
PID 1652 wrote to memory of 608	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	29
PID 1652 wrote to memory of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31
PID 1652 wrote to memory of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31
PID 1652 wrote to memory of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31
PID 1652 wrote to memory of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31
PID 1652 wrote to memory of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31
PID 1652 wrote to memory of 1060	1652	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe	31
PID 1748 wrote to memory of 2036	1748	cmd.exe	32
PID 1748 wrote to memory of 2036	1748	cmd.exe	32
PID 1748 wrote to memory of 2036	1748	cmd.exe	32
PID 1748 wrote to memory of 2036	1748	cmd.exe	32
PID 608 wrote to memory of 2000	608	cmd.exe	33
PID 608 wrote to memory of 2000	608	cmd.exe	33
PID 608 wrote to memory of 2000	608	cmd.exe	33
PID 608 wrote to memory of 2000	608	cmd.exe	33

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
2000	attrib.exe
2036	attrib.exe

C:\Users\Admin\AppData\Local\Temp\23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe
"C:\Users\Admin\AppData\Local\Temp\23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1652
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1748
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\23c11251927fa2a1985305a1a1e9d9594023888ac962d55cc739b111ab8148ca.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2036
- 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:608
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2000
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1652-54-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads