darkcomet | f81da6c9747b436c8822bf3cc2f9b56162ce1e7d8b7207070d681dc3b3af0d6f

General

Target

8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe
Size

768KB
MD5

8e2228acf39be58437b2f66391456bae
SHA1

fad2ceda2a7ee3d3281efcacb9a381749686ac38
SHA256

f81da6c9747b436c8822bf3cc2f9b56162ce1e7d8b7207070d681dc3b3af0d6f
SHA512

38368a0fa7ca5cbe4824bf8430681b975bbafe817c515bb4ec99be23c6fa8c63630cf3878519de94d04ff0d49ab2f4b3fab89f0d7b880e9e6873320922835d26
SSDEEP

12288:0iSz8aUG79ZebNc338O+BT0tCqdFUQCJTZLkVYgFDkLBBh73OHcQQUumYNq2z3:3i8yIbN43BsTArYjB50VqBTLO8QrfIq2

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 BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

97b9692c8616403984e1db27e9c831c9.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 97b9692c8616403984e1db27e9c831c9.exe
Executes dropped EXE 2 IoCs

Processes:

97b9692c8616403984e1db27e9c831c9.exe4688d23bb1ad46a89a93d31f0fdcb7f9.exe

pid process

2776 97b9692c8616403984e1db27e9c831c9.exe
2688 4688d23bb1ad46a89a93d31f0fdcb7f9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	97b9692c8616403984e1db27e9c831c9.exe

pid	process
2776	97b9692c8616403984e1db27e9c831c9.exe
2688	4688d23bb1ad46a89a93d31f0fdcb7f9.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\4688d23bb1ad46a89a93d31f0fdcb7f9.exe	upx
behavioral1/memory/2688-16-0x0000000000400000-0x0000000000421000-memory.dmp	upx
behavioral1/memory/2688-20-0x0000000000400000-0x0000000000421000-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:

4688d23bb1ad46a89a93d31f0fdcb7f9.exe97b9692c8616403984e1db27e9c831c9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4688d23bb1ad46a89a93d31f0fdcb7f9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97b9692c8616403984e1db27e9c831c9.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

97b9692c8616403984e1db27e9c831c9.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	97b9692c8616403984e1db27e9c831c9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	97b9692c8616403984e1db27e9c831c9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	97b9692c8616403984e1db27e9c831c9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	97b9692c8616403984e1db27e9c831c9.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

97b9692c8616403984e1db27e9c831c9.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier 97b9692c8616403984e1db27e9c831c9.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	97b9692c8616403984e1db27e9c831c9.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

97b9692c8616403984e1db27e9c831c9.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeSecurityPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeTakeOwnershipPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeLoadDriverPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeSystemProfilePrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeSystemtimePrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeProfSingleProcessPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeIncBasePriorityPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeCreatePagefilePrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeBackupPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeRestorePrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeShutdownPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeDebugPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeSystemEnvironmentPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeChangeNotifyPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeRemoteShutdownPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeUndockPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeManageVolumePrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeImpersonatePrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: SeCreateGlobalPrivilege	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: 33	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: 34	2776	97b9692c8616403984e1db27e9c831c9.exe
Token: 35	2776	97b9692c8616403984e1db27e9c831c9.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

97b9692c8616403984e1db27e9c831c9.exe

pid process

2776 97b9692c8616403984e1db27e9c831c9.exe

pid	process
2776	97b9692c8616403984e1db27e9c831c9.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe

description	pid	process	target process
PID 2088 wrote to memory of 2776	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	97b9692c8616403984e1db27e9c831c9.exe
PID 2088 wrote to memory of 2776	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	97b9692c8616403984e1db27e9c831c9.exe
PID 2088 wrote to memory of 2776	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	97b9692c8616403984e1db27e9c831c9.exe
PID 2088 wrote to memory of 2776	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	97b9692c8616403984e1db27e9c831c9.exe
PID 2088 wrote to memory of 2688	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	4688d23bb1ad46a89a93d31f0fdcb7f9.exe
PID 2088 wrote to memory of 2688	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	4688d23bb1ad46a89a93d31f0fdcb7f9.exe
PID 2088 wrote to memory of 2688	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	4688d23bb1ad46a89a93d31f0fdcb7f9.exe
PID 2088 wrote to memory of 2688	2088	8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe	4688d23bb1ad46a89a93d31f0fdcb7f9.exe

C:\Users\Admin\AppData\Local\Temp\8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8e2228acf39be58437b2f66391456bae_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Users\Admin\AppData\Local\Temp\97b9692c8616403984e1db27e9c831c9.exe
  "C:\Users\Admin\AppData\Local\Temp\97b9692c8616403984e1db27e9c831c9.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - 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:2776
- C:\Users\Admin\AppData\Local\Temp\4688d23bb1ad46a89a93d31f0fdcb7f9.exe
  "C:\Users\Admin\AppData\Local\Temp\4688d23bb1ad46a89a93d31f0fdcb7f9.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

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\4688d23bb1ad46a89a93d31f0fdcb7f9.exe

Filesize
34KB

MD5
3ffffc1d356a5829b6d9faa72c21380c

SHA1
115a1ba5f1f6458a893cd292b045965019b3f8f6

SHA256
8f232160408c179fbeeb6002713f324248182237033a429e557ea9f69c586315

SHA512
4e0ef1655a0f5c6382c7c424efea3ea8d8edf608e88af0f3eba1668990ba1ac8329f5fc75128fbd1f699a48f5696f133d564b7c74606cf4a256d59e22185e306

Download Submit
C:\Users\Admin\AppData\Local\Temp\97b9692c8616403984e1db27e9c831c9.exe

Filesize
712KB

MD5
ff9f1d39023fc9edc5165ddf3c42e395

SHA1
92343cae7632e5b5921224c4d9a8b8054987b21d

SHA256
947477569cff887fb9eeb069c7bff61701346c431fa4eca3910bb5206c00b99f

SHA512
03b538663ef90386eb4b148e33fdad8ec9043a54ad715c2380ff43facd7da6c0401601327e80205b592c34589a5878fded4b4d3c36cf64f0181ef8ba68766545

Download Submit
memory/2088-18-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2088-14-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2088-17-0x000007FEF5C50000-0x000007FEF65ED000-memory.dmp

Filesize
9.6MB

Download
memory/2088-0-0x000007FEF5F0E000-0x000007FEF5F0F000-memory.dmp

Filesize
4KB

Download
memory/2688-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2688-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/2776-21-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2776-25-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2776-29-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2776-33-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2776-37-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2776-41-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2776-47-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads