darkcomet | 8a0da16de2f72ed3b324f85c81a1569e367ea13ba14af783254a2756e011387e

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 00:11

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General

Target

d6eb57dc7e2692692f63991c45844ef0N.exe
Size

493KB
MD5

d6eb57dc7e2692692f63991c45844ef0
SHA1

b7f9784e5a5dbce1d341cb68e938605b93853da7
SHA256

8a0da16de2f72ed3b324f85c81a1569e367ea13ba14af783254a2756e011387e
SHA512

863a30fbeaa50b75b085d80bc368a4a0f1899460ae33aa6810787ed3ef1f058d3b2e75c321a25caf6119a5850638b34cbacb1412d2d1cf4865b3f1d42adbdd31
SSDEEP

12288:jLkEZ8207OSJK7v7Gfy6gdya7c3K1UY2y2R6/T0Iw5pu:jLkpl0Tigsr3cB8l2

Score

10^/10

darkcomet bootkit discovery persistence rat trojan

Malware Config

Signatures

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

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	d6eb57dc7e2692692f63991c45844ef0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	d6eb57dc7e2692692f63991c45844ef0N.exe
File opened for modification	\??\PhysicalDrive0	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1760 set thread context of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 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	d6eb57dc7e2692692f63991c45844ef0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d6eb57dc7e2692692f63991c45844ef0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	d6eb57dc7e2692692f63991c45844ef0N.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	d6eb57dc7e2692692f63991c45844ef0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d6eb57dc7e2692692f63991c45844ef0N.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	d6eb57dc7e2692692f63991c45844ef0N.exe

Modifies registry class 6 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	explorer.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	d6eb57dc7e2692692f63991c45844ef0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	d6eb57dc7e2692692f63991c45844ef0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	d6eb57dc7e2692692f63991c45844ef0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeSecurityPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeTakeOwnershipPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeLoadDriverPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeSystemProfilePrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeSystemtimePrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeProfSingleProcessPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeIncBasePriorityPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeCreatePagefilePrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeBackupPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeRestorePrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeShutdownPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeDebugPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeSystemEnvironmentPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeChangeNotifyPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeRemoteShutdownPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeUndockPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeManageVolumePrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeImpersonatePrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeCreateGlobalPrivilege	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: 33	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: 34	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: 35	1760	d6eb57dc7e2692692f63991c45844ef0N.exe
Token: SeIncreaseQuotaPrivilege	2704	explorer.exe
Token: SeSecurityPrivilege	2704	explorer.exe
Token: SeTakeOwnershipPrivilege	2704	explorer.exe
Token: SeLoadDriverPrivilege	2704	explorer.exe
Token: SeSystemProfilePrivilege	2704	explorer.exe
Token: SeSystemtimePrivilege	2704	explorer.exe
Token: SeProfSingleProcessPrivilege	2704	explorer.exe
Token: SeIncBasePriorityPrivilege	2704	explorer.exe
Token: SeCreatePagefilePrivilege	2704	explorer.exe
Token: SeBackupPrivilege	2704	explorer.exe
Token: SeRestorePrivilege	2704	explorer.exe
Token: SeShutdownPrivilege	2704	explorer.exe
Token: SeDebugPrivilege	2704	explorer.exe
Token: SeSystemEnvironmentPrivilege	2704	explorer.exe
Token: SeChangeNotifyPrivilege	2704	explorer.exe
Token: SeRemoteShutdownPrivilege	2704	explorer.exe
Token: SeUndockPrivilege	2704	explorer.exe
Token: SeManageVolumePrivilege	2704	explorer.exe
Token: SeImpersonatePrivilege	2704	explorer.exe
Token: SeCreateGlobalPrivilege	2704	explorer.exe
Token: 33	2704	explorer.exe
Token: 34	2704	explorer.exe
Token: 35	2704	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30
PID 1760 wrote to memory of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30
PID 1760 wrote to memory of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30
PID 1760 wrote to memory of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30
PID 1760 wrote to memory of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30
PID 1760 wrote to memory of 2704	1760	d6eb57dc7e2692692f63991c45844ef0N.exe	30

C:\Users\Admin\AppData\Local\Temp\d6eb57dc7e2692692f63991c45844ef0N.exe
"C:\Users\Admin\AppData\Local\Temp\d6eb57dc7e2692692f63991c45844ef0N.exe"
1⤵
- Checks BIOS information in registry
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Checks BIOS information in registry
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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

Replay Monitor

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Downloads

memory/1760-0-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/1760-7-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-6-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-28-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-32-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1760-31-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-30-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-29-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-27-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-26-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

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memory/1760-25-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

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memory/1760-24-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-23-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-22-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-21-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-20-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-19-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-18-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-17-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-16-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-15-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-14-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-13-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-12-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-11-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-10-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-9-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-8-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-5-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-4-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-3-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-2-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-1-0x0000000000480000-0x0000000000481000-memory.dmp

Filesize
4KB

Download
memory/1760-39-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-34-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-37-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-36-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-41-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-50-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-75-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-74-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-73-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-72-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-71-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-70-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-77-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-76-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-68-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-67-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-66-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-65-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-64-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-63-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-62-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-61-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-60-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-59-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-58-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-57-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-56-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-55-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-53-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-52-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-51-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-49-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-48-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-47-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-46-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-45-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-44-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-43-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-42-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-69-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-54-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download
memory/2704-40-0x0000000013140000-0x000000001326A000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads