darkcomet | 1ca8c6ba04c023def63561ffbccd715066c13b15cdb9d7fce7ce6ac016c57ce0

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 13:06

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General

Target

79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe
Size

360KB
MD5

79c5a1ce288b7d4f1d447a71379ffdab
SHA1

08976e4bbfdec9f56786ec0c595e28620c2b6535
SHA256

1ca8c6ba04c023def63561ffbccd715066c13b15cdb9d7fce7ce6ac016c57ce0
SHA512

4b6b40a4e6f81e92db2c234350492ead9f077b937f74031f148301e27a5b9130c95e1b891066d4320d105ba6a1e030f4b475cb6a3057d1ef03c8c3b12d1a9254
SSDEEP

6144:uqrJt/vTpwbGgq7Sherr7nVHQr41qEkaAB1Gsv5pe5t+R3IIhIIW:uEJtT2ag1errrV6CHkdnFIIhII

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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

tmpA9E6.tmp.exeexplorer.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	tmpA9E6.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Executes dropped EXE 1 IoCs

Processes:

tmpA9E6.tmp.exe

pid	Process
2432	tmpA9E6.tmp.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

tmpA9E6.tmp.exe

description	pid	Process	procid_target
PID 2432 set thread context of 2084	2432	tmpA9E6.tmp.exe	31

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/files/0x000700000001867d-5.dat	upx
behavioral1/memory/2432-9-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-22-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-19-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2432-18-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-16-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-24-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-25-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-23-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-20-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral1/memory/2084-26-0x0000000013140000-0x00000000131FB000-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:

tmpA9E6.tmp.exeexplorer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpA9E6.tmp.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

Processes:

explorer.exetmpA9E6.tmp.exe

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	tmpA9E6.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	tmpA9E6.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	tmpA9E6.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	tmpA9E6.tmp.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

Processes:

tmpA9E6.tmp.exeexplorer.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	tmpA9E6.tmp.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 47 IoCs

Processes:

79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exetmpA9E6.tmp.exeexplorer.exe

description	pid	Process
Token: SeDebugPrivilege	2560	79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2432	tmpA9E6.tmp.exe
Token: SeSecurityPrivilege	2432	tmpA9E6.tmp.exe
Token: SeTakeOwnershipPrivilege	2432	tmpA9E6.tmp.exe
Token: SeLoadDriverPrivilege	2432	tmpA9E6.tmp.exe
Token: SeSystemProfilePrivilege	2432	tmpA9E6.tmp.exe
Token: SeSystemtimePrivilege	2432	tmpA9E6.tmp.exe
Token: SeProfSingleProcessPrivilege	2432	tmpA9E6.tmp.exe
Token: SeIncBasePriorityPrivilege	2432	tmpA9E6.tmp.exe
Token: SeCreatePagefilePrivilege	2432	tmpA9E6.tmp.exe
Token: SeBackupPrivilege	2432	tmpA9E6.tmp.exe
Token: SeRestorePrivilege	2432	tmpA9E6.tmp.exe
Token: SeShutdownPrivilege	2432	tmpA9E6.tmp.exe
Token: SeDebugPrivilege	2432	tmpA9E6.tmp.exe
Token: SeSystemEnvironmentPrivilege	2432	tmpA9E6.tmp.exe
Token: SeChangeNotifyPrivilege	2432	tmpA9E6.tmp.exe
Token: SeRemoteShutdownPrivilege	2432	tmpA9E6.tmp.exe
Token: SeUndockPrivilege	2432	tmpA9E6.tmp.exe
Token: SeManageVolumePrivilege	2432	tmpA9E6.tmp.exe
Token: SeImpersonatePrivilege	2432	tmpA9E6.tmp.exe
Token: SeCreateGlobalPrivilege	2432	tmpA9E6.tmp.exe
Token: 33	2432	tmpA9E6.tmp.exe
Token: 34	2432	tmpA9E6.tmp.exe
Token: 35	2432	tmpA9E6.tmp.exe
Token: SeIncreaseQuotaPrivilege	2084	explorer.exe
Token: SeSecurityPrivilege	2084	explorer.exe
Token: SeTakeOwnershipPrivilege	2084	explorer.exe
Token: SeLoadDriverPrivilege	2084	explorer.exe
Token: SeSystemProfilePrivilege	2084	explorer.exe
Token: SeSystemtimePrivilege	2084	explorer.exe
Token: SeProfSingleProcessPrivilege	2084	explorer.exe
Token: SeIncBasePriorityPrivilege	2084	explorer.exe
Token: SeCreatePagefilePrivilege	2084	explorer.exe
Token: SeBackupPrivilege	2084	explorer.exe
Token: SeRestorePrivilege	2084	explorer.exe
Token: SeShutdownPrivilege	2084	explorer.exe
Token: SeDebugPrivilege	2084	explorer.exe
Token: SeSystemEnvironmentPrivilege	2084	explorer.exe
Token: SeChangeNotifyPrivilege	2084	explorer.exe
Token: SeRemoteShutdownPrivilege	2084	explorer.exe
Token: SeUndockPrivilege	2084	explorer.exe
Token: SeManageVolumePrivilege	2084	explorer.exe
Token: SeImpersonatePrivilege	2084	explorer.exe
Token: SeCreateGlobalPrivilege	2084	explorer.exe
Token: 33	2084	explorer.exe
Token: 34	2084	explorer.exe
Token: 35	2084	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid	Process
2084	explorer.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exetmpA9E6.tmp.exe

description	pid	Process	procid_target
PID 2560 wrote to memory of 2432	2560	79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2432	2560	79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2432	2560	79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe	30
PID 2560 wrote to memory of 2432	2560	79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe	30
PID 2432 wrote to memory of 2084	2432	tmpA9E6.tmp.exe	31
PID 2432 wrote to memory of 2084	2432	tmpA9E6.tmp.exe	31
PID 2432 wrote to memory of 2084	2432	tmpA9E6.tmp.exe	31
PID 2432 wrote to memory of 2084	2432	tmpA9E6.tmp.exe	31
PID 2432 wrote to memory of 2084	2432	tmpA9E6.tmp.exe	31
PID 2432 wrote to memory of 2084	2432	tmpA9E6.tmp.exe	31

C:\Users\Admin\AppData\Local\Temp\79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79c5a1ce288b7d4f1d447a71379ffdab_JaffaCakes118.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560
- C:\Users\Admin\AppData\Local\Temp\tmpA9E6.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA9E6.tmp.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:2432
- - 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:2084

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\tmpA9E6.tmp.exe

Filesize
241KB

MD5
ee8da8c3c6aa0edfadd9c89ea98256de

SHA1
a7dec71ac25def139d7119354915bafae0fd2e9d

SHA256
cb72b4ebc433e467b777dd2407cb008715d3db5dee76b4524f5adca8e1fcc8b9

SHA512
2e6732a12f2e32f8eb75b5062d4186235fff5e36756d8d7e31182f0ebd3fc01e75b87cec86917336ec557d16416c9ea9d0957411b32fd0e5514a67dc1fe71f01

Download Submit
memory/2084-24-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-26-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-20-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-23-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-12-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-22-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-19-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-25-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-16-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2084-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2432-10-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2432-18-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2432-9-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/2560-0-0x000007FEF549E000-0x000007FEF549F000-memory.dmp

Filesize
4KB

Download
memory/2560-8-0x000007FEF51E0000-0x000007FEF5B7D000-memory.dmp

Filesize
9.6MB

Download