darkcomet | b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1

General

Target

b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Size

764KB
MD5

fdfd30f62f5acfa786fa6c3683483ed0
SHA1

a18da8343bed1fc3afa2b8a61dbe920adea96008
SHA256

b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1
SHA512

fda68da06dbd7d8ddb4dd45102c2216e0d2bf5e581a975d006ea2e58d3819163a7d29b42f733c1a702f0bff6cef3f6383a16875593aa520d4fab6abfd8c0cacc
SSDEEP

12288:Bfbh3edoSdPDze9LBApPsKNoeP313umLcUmyqC+N/jXI0:NR8oYzS12PVaA3LLRHqC+ljX

Score

10^/10

darkcomet discovery evasion rat trojan

Malware Config

Signatures

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

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2784	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe

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 3 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	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeSecurityPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeTakeOwnershipPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeLoadDriverPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeSystemProfilePrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeSystemtimePrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeProfSingleProcessPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeIncBasePriorityPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeCreatePagefilePrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeBackupPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeRestorePrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeShutdownPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeDebugPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeSystemEnvironmentPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeChangeNotifyPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeRemoteShutdownPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeUndockPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeManageVolumePrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeImpersonatePrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: SeCreateGlobalPrivilege	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: 33	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: 34	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: 35	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
Token: 36	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 5072	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	83
PID 3808 wrote to memory of 5072	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	83
PID 3808 wrote to memory of 5072	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	83
PID 3808 wrote to memory of 3600	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	84
PID 3808 wrote to memory of 3600	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	84
PID 3808 wrote to memory of 3600	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	84
PID 3808 wrote to memory of 5028	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	86
PID 3808 wrote to memory of 5028	3808	b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe	86
PID 5072 wrote to memory of 2784	5072	cmd.exe	87
PID 5072 wrote to memory of 2784	5072	cmd.exe	87
PID 5072 wrote to memory of 2784	5072	cmd.exe	87

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2784	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe
"C:\Users\Admin\AppData\Local\Temp\b7f66d90407d2c446d179d3e0c224311b7d23c2f2079a9ea038074a016a850d1N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5072
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2784
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  PID:3600
- C:\Windows\explorer.exe
  "C:\Windows\explorer.exe"
  2⤵
  PID:5028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

2

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3808-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/3808-1-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3808-2-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/3808-3-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3808-6-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3808-7-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3808-9-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3808-10-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads