darkcomet | 13719ef1a5db09a956e033e1f76b225e8fa423b1b0a0b04ab424e3da9c3c6bfc

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 08:48

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General

Target

c2a86d2b895b89d4474289df2b979749_JaffaCakes118.exe
Size

664KB
MD5

c2a86d2b895b89d4474289df2b979749
SHA1

767c18a03e9c33e013aebcd606fec9b93b94ddc3
SHA256

13719ef1a5db09a956e033e1f76b225e8fa423b1b0a0b04ab424e3da9c3c6bfc
SHA512

4ad5b65424af3019e694729712511fae01872a34635e459f7cd8ea7eaafa98beceb2fd5e1baddd882ffaa9892a28da5a65f2fae6cb52e488f37749cead1a0c62
SSDEEP

12288:En9AOtYm1B8zUbWBJERZPoWaerkxBjUKIijHFG1B105/7vCWd4YiyoN+Ri28yCfT:EyLmP/I/9jH+ds

Score

10^/10

darkcomet discovery rat trojan upx

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	105.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Executes dropped EXE 1 IoCs

pid	Process
1456	105.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0008000000023585-5.dat	upx
behavioral2/memory/1456-8-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-11-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-12-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-18-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/1456-20-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-17-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-16-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-15-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-13-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-14-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/3460-23-0x0000000013140000-0x00000000131FB000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1456 set thread context of 3460	1456	105.exe	97

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	105.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	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	105.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	105.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	105.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	105.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

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

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1456	105.exe
Token: SeSecurityPrivilege	1456	105.exe
Token: SeTakeOwnershipPrivilege	1456	105.exe
Token: SeLoadDriverPrivilege	1456	105.exe
Token: SeSystemProfilePrivilege	1456	105.exe
Token: SeSystemtimePrivilege	1456	105.exe
Token: SeProfSingleProcessPrivilege	1456	105.exe
Token: SeIncBasePriorityPrivilege	1456	105.exe
Token: SeCreatePagefilePrivilege	1456	105.exe
Token: SeBackupPrivilege	1456	105.exe
Token: SeRestorePrivilege	1456	105.exe
Token: SeShutdownPrivilege	1456	105.exe
Token: SeDebugPrivilege	1456	105.exe
Token: SeSystemEnvironmentPrivilege	1456	105.exe
Token: SeChangeNotifyPrivilege	1456	105.exe
Token: SeRemoteShutdownPrivilege	1456	105.exe
Token: SeUndockPrivilege	1456	105.exe
Token: SeManageVolumePrivilege	1456	105.exe
Token: SeImpersonatePrivilege	1456	105.exe
Token: SeCreateGlobalPrivilege	1456	105.exe
Token: 33	1456	105.exe
Token: 34	1456	105.exe
Token: 35	1456	105.exe
Token: 36	1456	105.exe
Token: SeIncreaseQuotaPrivilege	3460	explorer.exe
Token: SeSecurityPrivilege	3460	explorer.exe
Token: SeTakeOwnershipPrivilege	3460	explorer.exe
Token: SeLoadDriverPrivilege	3460	explorer.exe
Token: SeSystemProfilePrivilege	3460	explorer.exe
Token: SeSystemtimePrivilege	3460	explorer.exe
Token: SeProfSingleProcessPrivilege	3460	explorer.exe
Token: SeIncBasePriorityPrivilege	3460	explorer.exe
Token: SeCreatePagefilePrivilege	3460	explorer.exe
Token: SeBackupPrivilege	3460	explorer.exe
Token: SeRestorePrivilege	3460	explorer.exe
Token: SeShutdownPrivilege	3460	explorer.exe
Token: SeDebugPrivilege	3460	explorer.exe
Token: SeSystemEnvironmentPrivilege	3460	explorer.exe
Token: SeChangeNotifyPrivilege	3460	explorer.exe
Token: SeRemoteShutdownPrivilege	3460	explorer.exe
Token: SeUndockPrivilege	3460	explorer.exe
Token: SeManageVolumePrivilege	3460	explorer.exe
Token: SeImpersonatePrivilege	3460	explorer.exe
Token: SeCreateGlobalPrivilege	3460	explorer.exe
Token: 33	3460	explorer.exe
Token: 34	3460	explorer.exe
Token: 35	3460	explorer.exe
Token: 36	3460	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3460	explorer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 1456	1712	c2a86d2b895b89d4474289df2b979749_JaffaCakes118.exe	96
PID 1712 wrote to memory of 1456	1712	c2a86d2b895b89d4474289df2b979749_JaffaCakes118.exe	96
PID 1712 wrote to memory of 1456	1712	c2a86d2b895b89d4474289df2b979749_JaffaCakes118.exe	96
PID 1456 wrote to memory of 3460	1456	105.exe	97
PID 1456 wrote to memory of 3460	1456	105.exe	97
PID 1456 wrote to memory of 3460	1456	105.exe	97
PID 1456 wrote to memory of 3460	1456	105.exe	97
PID 1456 wrote to memory of 3460	1456	105.exe	97

C:\Users\Admin\AppData\Local\Temp\c2a86d2b895b89d4474289df2b979749_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c2a86d2b895b89d4474289df2b979749_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\105.exe
  C:\Users\Admin\AppData\Local\Temp\105.exe
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1456
- - C:\Windows\SysWOW64\explorer.exe
    "C:\Windows\SysWOW64\explorer.exe"
    3⤵
    - Checks BIOS information in registry
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3460

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4120,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4440 /prefetch:8
1⤵
PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\105.exe

Filesize
241KB

MD5
9b40b61abd0cafabbff8e3394e9b9e92

SHA1
afb5a8c2d2024a8d26e641f8e61241a83959e577

SHA256
06378d26e906fd5bee301023d7d1d6b301bc151dfc2a43823941782b8f687763

SHA512
fa015a2bc9a469ee6d068d52afc619fc7afe2dd5f2c47bee4b747d2b00722b6057a91560fa7ef0c6ba7bbbbfb3151b1a7f87fb8465bef13198f216f03d585694

Download Submit
memory/1456-20-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/1456-8-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/1456-9-0x0000000000640000-0x0000000000641000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x000000001C050000-0x000000001C0F6000-memory.dmp

Filesize
664KB

Download
memory/1712-2-0x00007FFA2F170000-0x00007FFA2FB11000-memory.dmp

Filesize
9.6MB

Download
memory/1712-6-0x00007FFA2F170000-0x00007FFA2FB11000-memory.dmp

Filesize
9.6MB

Download
memory/1712-22-0x00007FFA2F170000-0x00007FFA2FB11000-memory.dmp

Filesize
9.6MB

Download
memory/1712-0-0x00007FFA2F425000-0x00007FFA2F426000-memory.dmp

Filesize
4KB

Download
memory/3460-12-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-21-0x0000000003700000-0x0000000003701000-memory.dmp

Filesize
4KB

Download
memory/3460-18-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-17-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-16-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-15-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-13-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-14-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-11-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/3460-23-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads