darkcomet | bd63e020f29ca78b0f89d64b0cd4098343b40ed5368111dd4788a5a369471f62

General

Target

84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe
Size

1.1MB
MD5

84c6e26717da74ec1daf2d457b59e950
SHA1

daf47cb8bab40c7cb230fae729f2895ee6eba2c9
SHA256

bd63e020f29ca78b0f89d64b0cd4098343b40ed5368111dd4788a5a369471f62
SHA512

a969624c99039697e3c80bf4ab454c81e0a452dbb0de4fb3c7af03d6a79d7469b33d04e8c5f97fa77b446d7dafaa62f26e9313ac66ba233e9515b29be1c302a6
SSDEEP

24576:9AmBpVKHu0Mu9Xo20VGLVP5aniuMPMDp8mtzbMFFS/CzKFS:9AmKZVtfP68UzbiFS/6KFS

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
Darkcomet family
darkcomet

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

Processes:

84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

My1tVrs.exeBat_to_exe_Converter_App.exe

pid process

3576 My1tVrs.exe
2544 Bat_to_exe_Converter_App.exe

pid	process
3576	My1tVrs.exe
2544	Bat_to_exe_Converter_App.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\Bat_to_exe_Converter_App.exe	upx
behavioral2/memory/2544-27-0x0000000000400000-0x00000000004FA000-memory.dmp	upx
behavioral2/memory/2544-36-0x0000000000400000-0x00000000004FA000-memory.dmp	upx

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 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

Processes:

Bat_to_exe_Converter_App.exeMy1tVrs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Bat_to_exe_Converter_App.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	My1tVrs.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

My1tVrs.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	3576	My1tVrs.exe
Token: SeSecurityPrivilege	3576	My1tVrs.exe
Token: SeTakeOwnershipPrivilege	3576	My1tVrs.exe
Token: SeLoadDriverPrivilege	3576	My1tVrs.exe
Token: SeSystemProfilePrivilege	3576	My1tVrs.exe
Token: SeSystemtimePrivilege	3576	My1tVrs.exe
Token: SeProfSingleProcessPrivilege	3576	My1tVrs.exe
Token: SeIncBasePriorityPrivilege	3576	My1tVrs.exe
Token: SeCreatePagefilePrivilege	3576	My1tVrs.exe
Token: SeBackupPrivilege	3576	My1tVrs.exe
Token: SeRestorePrivilege	3576	My1tVrs.exe
Token: SeShutdownPrivilege	3576	My1tVrs.exe
Token: SeDebugPrivilege	3576	My1tVrs.exe
Token: SeSystemEnvironmentPrivilege	3576	My1tVrs.exe
Token: SeChangeNotifyPrivilege	3576	My1tVrs.exe
Token: SeRemoteShutdownPrivilege	3576	My1tVrs.exe
Token: SeUndockPrivilege	3576	My1tVrs.exe
Token: SeManageVolumePrivilege	3576	My1tVrs.exe
Token: SeImpersonatePrivilege	3576	My1tVrs.exe
Token: SeCreateGlobalPrivilege	3576	My1tVrs.exe
Token: 33	3576	My1tVrs.exe
Token: 34	3576	My1tVrs.exe
Token: 35	3576	My1tVrs.exe
Token: 36	3576	My1tVrs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

My1tVrs.exe

pid process

3576 My1tVrs.exe

pid	process
3576	My1tVrs.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe

description	pid	process	target process
PID 3768 wrote to memory of 3576	3768	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe	My1tVrs.exe
PID 3768 wrote to memory of 3576	3768	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe	My1tVrs.exe
PID 3768 wrote to memory of 3576	3768	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe	My1tVrs.exe
PID 3768 wrote to memory of 2544	3768	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe	Bat_to_exe_Converter_App.exe
PID 3768 wrote to memory of 2544	3768	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe	Bat_to_exe_Converter_App.exe
PID 3768 wrote to memory of 2544	3768	84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe	Bat_to_exe_Converter_App.exe

C:\Users\Admin\AppData\Local\Temp\84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\84c6e26717da74ec1daf2d457b59e950_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Users\Admin\AppData\Local\Temp\My1tVrs.exe
  "C:\Users\Admin\AppData\Local\Temp\My1tVrs.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3576
- C:\Users\Admin\AppData\Local\Temp\Bat_to_exe_Converter_App.exe
  "C:\Users\Admin\AppData\Local\Temp\Bat_to_exe_Converter_App.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

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

Filesize
444KB

MD5
76d5900a4adf4c1f2ab8dbfd0a450c4a

SHA1
6177a27416519564ecb5d38093d61c9a81d3c290

SHA256
7adc1f7ff040628a600f99465bd70e71ad83fecfe60b0f1dadc84b5d262ff350

SHA512
286b05ff09d4e85856c251d56902486738d9b2457d9a56ea8a449195b349f2718816099f4602efba88dad592dd6cecefcd0748382888c3026dd585b3e46f0c6e

Download Submit
C:\Users\Admin\AppData\Local\Temp\My1tVrs.exe

Filesize
647KB

MD5
0f9b1b903ecc65861f9079dd4ec9d3d0

SHA1
117bb74893c5ff51c40bd7de73f5004a112cbc3f

SHA256
23d42e74fb70888be68f20167e17902dda52714fc04bfeb56c3ae0fc8e3f4cdb

SHA512
f410c827a5717271e8159b4b9c626e606e7c7a3b50bc6c951f400580ab8d55b89511d6a873df56ffd1166ceb75b0cf44289da9698410686a5831971005a69b44

Download Submit
memory/2544-36-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/2544-27-0x0000000000400000-0x00000000004FA000-memory.dmp

Filesize
1000KB

Download
memory/3576-49-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-53-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-63-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-61-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-59-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-57-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-55-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-51-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-47-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-35-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/3576-45-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-37-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-39-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-41-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3576-43-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/3768-1-0x000000001BF40000-0x000000001BFE6000-memory.dmp

Filesize
664KB

Download
memory/3768-30-0x00007FFBC5250000-0x00007FFBC5BF1000-memory.dmp

Filesize
9.6MB

Download
memory/3768-0-0x00007FFBC5505000-0x00007FFBC5506000-memory.dmp

Filesize
4KB

Download
memory/3768-3-0x000000001C4C0000-0x000000001C98E000-memory.dmp

Filesize
4.8MB

Download
memory/3768-5-0x00007FFBC5250000-0x00007FFBC5BF1000-memory.dmp

Filesize
9.6MB

Download
memory/3768-2-0x00007FFBC5250000-0x00007FFBC5BF1000-memory.dmp

Filesize
9.6MB

Download
memory/3768-4-0x000000001CA70000-0x000000001CB0C000-memory.dmp

Filesize
624KB

Download
memory/3768-8-0x00007FFBC5250000-0x00007FFBC5BF1000-memory.dmp

Filesize
9.6MB

Download
memory/3768-7-0x000000001CBD0000-0x000000001CC1C000-memory.dmp

Filesize
304KB

Download
memory/3768-6-0x000000001BDF0000-0x000000001BDF8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads