darkcomet | 354d9c8829f6cec109e893dc0d508cb89255d50870b51fb7993e89dcd4f7e55f

General

Target

4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe
Size

709KB
MD5

4cf74d9c5858ec807505f275a1c2233c
SHA1

a562d3c4649db10641573fda70151c6e2a07ac24
SHA256

354d9c8829f6cec109e893dc0d508cb89255d50870b51fb7993e89dcd4f7e55f
SHA512

7fde6f1f9f3a571a8b5a08fba3ab363506c696e7ee681dc45de832097fbb2694fdc5a305867c15133d7bfd6f1d6f9c3630bc88a7eeafe66a1708ebba22280cbf
SSDEEP

12288:YMcUk+kRAc24fLzyxJc+N7z6dapztN29j2srAQaKKemQXYkHppp7ET:YXWk524DL07GdGq52MpKIXYkHpp

Score

10^/10

darkcomet 0708 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

0708

C2

ilogical.no-ip.org:1605

Mutex

DC_MUTEX-F3JQ150

Attributes

gencode
CLvz5adYp95V
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Executes dropped EXE 1 IoCs

pid	Process
4900	service.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FBUpdate78 = "C:\\Users\\Admin\\AppData\\Roaming\\Acrobat\\FBUpdate78.exe"	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3720 set thread context of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4900-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-8-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4900-38-0x0000000000400000-0x00000000004B7000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe
3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4900	service.exe
Token: SeSecurityPrivilege	4900	service.exe
Token: SeTakeOwnershipPrivilege	4900	service.exe
Token: SeLoadDriverPrivilege	4900	service.exe
Token: SeSystemProfilePrivilege	4900	service.exe
Token: SeSystemtimePrivilege	4900	service.exe
Token: SeProfSingleProcessPrivilege	4900	service.exe
Token: SeIncBasePriorityPrivilege	4900	service.exe
Token: SeCreatePagefilePrivilege	4900	service.exe
Token: SeBackupPrivilege	4900	service.exe
Token: SeRestorePrivilege	4900	service.exe
Token: SeShutdownPrivilege	4900	service.exe
Token: SeDebugPrivilege	4900	service.exe
Token: SeSystemEnvironmentPrivilege	4900	service.exe
Token: SeChangeNotifyPrivilege	4900	service.exe
Token: SeRemoteShutdownPrivilege	4900	service.exe
Token: SeUndockPrivilege	4900	service.exe
Token: SeManageVolumePrivilege	4900	service.exe
Token: SeImpersonatePrivilege	4900	service.exe
Token: SeCreateGlobalPrivilege	4900	service.exe
Token: 33	4900	service.exe
Token: 34	4900	service.exe
Token: 35	4900	service.exe
Token: 36	4900	service.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4900	service.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91
PID 3720 wrote to memory of 4900	3720	4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4cf74d9c5858ec807505f275a1c2233c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Users\Admin\AppData\Local\Temp\AppLaunch\service.exe
  C:\Users\Admin\AppData\Local\Temp\\AppLaunch\service.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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\AppLaunch\service.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3720-19-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/3720-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3720-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3720-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

Filesize
4KB

Download
memory/3720-21-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/3720-20-0x0000000074EA0000-0x0000000075451000-memory.dmp

Filesize
5.7MB

Download
memory/4900-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-18-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/4900-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4900-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads