darkcomet | 62ed0e1554cc04a25432641caae3c01dd42cbdebde6d3de39814396be1ed2e68

Analysis

max time kernel
131s
max time network
141s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 06:31

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General

Target

a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Size

400KB
MD5

a05a3eb0154e2c75e8b7d61bd1e297f1
SHA1

399822b706caaf75baaefd9a5a1566bfa3b7a5d9
SHA256

62ed0e1554cc04a25432641caae3c01dd42cbdebde6d3de39814396be1ed2e68
SHA512

03c194c71eb14bde241f03a3040a700e3f736fe866552acc3fbfa7c92f3b0811af71a1beda7dea46d347c6d62fa0bf799c860c26b6d6fb1ea5423da77d8e6f38
SSDEEP

6144:0peyHHFGMNqRzWbtHMsT+GRVYHj6ezImhds3D9nVW5GJZ2tNYLj8MfsNMAit+:ee2lGMkRzWhnJYDRnzKBVzYKj86sy+

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
Darkcomet family
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	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.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	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
File opened for modification	\??\PhysicalDrive0	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2652 set thread context of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.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	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.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\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.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

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	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.key	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.key\ = "regfile"	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeSecurityPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeBackupPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeRestorePrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeShutdownPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeDebugPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeUndockPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: 33	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: 34	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: 35	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2324	explorer.exe
Token: SeSecurityPrivilege	2324	explorer.exe
Token: SeTakeOwnershipPrivilege	2324	explorer.exe
Token: SeLoadDriverPrivilege	2324	explorer.exe
Token: SeSystemProfilePrivilege	2324	explorer.exe
Token: SeSystemtimePrivilege	2324	explorer.exe
Token: SeProfSingleProcessPrivilege	2324	explorer.exe
Token: SeIncBasePriorityPrivilege	2324	explorer.exe
Token: SeCreatePagefilePrivilege	2324	explorer.exe
Token: SeBackupPrivilege	2324	explorer.exe
Token: SeRestorePrivilege	2324	explorer.exe
Token: SeShutdownPrivilege	2324	explorer.exe
Token: SeDebugPrivilege	2324	explorer.exe
Token: SeSystemEnvironmentPrivilege	2324	explorer.exe
Token: SeChangeNotifyPrivilege	2324	explorer.exe
Token: SeRemoteShutdownPrivilege	2324	explorer.exe
Token: SeUndockPrivilege	2324	explorer.exe
Token: SeManageVolumePrivilege	2324	explorer.exe
Token: SeImpersonatePrivilege	2324	explorer.exe
Token: SeCreateGlobalPrivilege	2324	explorer.exe
Token: 33	2324	explorer.exe
Token: 34	2324	explorer.exe
Token: 35	2324	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2324	explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe	30
PID 2652 wrote to memory of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe	30
PID 2652 wrote to memory of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe	30
PID 2652 wrote to memory of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe	30
PID 2652 wrote to memory of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe	30
PID 2652 wrote to memory of 2324	2652	a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a05a3eb0154e2c75e8b7d61bd1e297f1_JaffaCakes118.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:2652
- 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
  - Suspicious use of SetWindowsHookEx
  PID:2324

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/2324-56-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2324-60-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2324-59-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2324-58-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2324-63-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2324-64-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2324-65-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2324-66-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2652-29-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-24-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-44-0x0000000001F80000-0x0000000001F83000-memory.dmp

Filesize
12KB

Download
memory/2652-43-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-42-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-48-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2652-40-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-39-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-38-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-54-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

Download
memory/2652-53-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download
memory/2652-52-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/2652-51-0x0000000001F90000-0x0000000001F91000-memory.dmp

Filesize
4KB

Download
memory/2652-50-0x0000000001E30000-0x0000000001E31000-memory.dmp

Filesize
4KB

Download
memory/2652-49-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/2652-37-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-36-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-35-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-34-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-55-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2652-33-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-32-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-31-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-30-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-46-0x0000000001FE0000-0x0000000001FE1000-memory.dmp

Filesize
4KB

Download
memory/2652-28-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-27-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-26-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-25-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-45-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/2652-23-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-22-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-21-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-20-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-19-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-18-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-17-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-16-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-15-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-14-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-13-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-12-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-11-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-10-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-9-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-8-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-7-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-6-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-5-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-4-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-47-0x0000000001FD0000-0x0000000001FD1000-memory.dmp

Filesize
4KB

Download
memory/2652-41-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-0-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download
memory/2652-3-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-2-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-1-0x0000000001F80000-0x0000000001F81000-memory.dmp

Filesize
4KB

Download
memory/2652-62-0x0000000000400000-0x0000000000510000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads