darkcomet | 82011fa1765d84cf0581f24d99807b9b9107115c7fce23e0145babf465bfde8e

General

Target

JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Size

707KB
MD5

099136d2e436fa046dcfe4245db61a30
SHA1

3e42edc82df2c7bba527c4c6384088664d1ebf9e
SHA256

82011fa1765d84cf0581f24d99807b9b9107115c7fce23e0145babf465bfde8e
SHA512

9071d71e892ea7b2cba76130e7759f2e7d5e229c53ff72571b59df8bf1185b64c79e5bbab465ac503b203a5d1f678296c7b304496db0dd9eaf003bd64e21a5c0
SSDEEP

12288:02N2ZFENyCQCtDuqwJEOtmCzlUBKaU+2Vaqfp5YiakQvUfTKry3:026O8K6qImEzTYqfp+izQcrp

Score

10^/10

darkcomet 12.03.04 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

12.03.04

C2

windowsing.no-ip.org:1604

Mutex

DC_MUTEX-UGWGNUQ

Attributes

InstallPath
svv24\svv24.exe
gencode
b7j�JDX4Ypkf
install
true
offline_keylogger
true
password
4fds6465s6erw89rwd7
persistence
false
reg_key
SVV24

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\svv24\\svv24.exe"	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe

Executes dropped EXE 1 IoCs

pid	Process
2768	svv24.exe

Loads dropped DLL 2 IoCs

pid	Process
2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
2768	svv24.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\SVV24 = "C:\\Users\\Admin\\AppData\\Roaming\\svv24\\svv24.exe"	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2508 set thread context of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2500-9-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2500-7-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2500-4-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2500-3-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2500-10-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2500-11-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2500-12-0x0000000000400000-0x00000000004B5000-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 3 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	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svv24.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeSecurityPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeTakeOwnershipPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeLoadDriverPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeSystemProfilePrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeSystemtimePrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeProfSingleProcessPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeIncBasePriorityPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeCreatePagefilePrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeBackupPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeRestorePrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeShutdownPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeDebugPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeSystemEnvironmentPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeChangeNotifyPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeRemoteShutdownPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeUndockPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeManageVolumePrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeImpersonatePrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: SeCreateGlobalPrivilege	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: 33	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: 34	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
Token: 35	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2508 wrote to memory of 2500	2508	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	30
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	31
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	31
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	31
PID 2500 wrote to memory of 2768	2500	JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe	31
PID 2768 wrote to memory of 1308	2768	svv24.exe	32
PID 2768 wrote to memory of 1308	2768	svv24.exe	32
PID 2768 wrote to memory of 1308	2768	svv24.exe	32
PID 2768 wrote to memory of 1308	2768	svv24.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_099136d2e436fa046dcfe4245db61a30.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2500
- - C:\Users\Admin\AppData\Roaming\svv24\svv24.exe
    "C:\Users\Admin\AppData\Roaming\svv24\svv24.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Users\Admin\AppData\Roaming\svv24\svv24.exe
      "C:\Users\Admin\AppData\Roaming\svv24\svv24.exe"
      4⤵
      PID:1308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Roaming\svv24\svv24.exe

Filesize
707KB

MD5
099136d2e436fa046dcfe4245db61a30

SHA1
3e42edc82df2c7bba527c4c6384088664d1ebf9e

SHA256
82011fa1765d84cf0581f24d99807b9b9107115c7fce23e0145babf465bfde8e

SHA512
9071d71e892ea7b2cba76130e7759f2e7d5e229c53ff72571b59df8bf1185b64c79e5bbab465ac503b203a5d1f678296c7b304496db0dd9eaf003bd64e21a5c0

Download Submit
memory/2500-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-13-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2500-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-21-0x0000000003890000-0x0000000003956000-memory.dmp

Filesize
792KB

Download
memory/2500-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2500-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-3-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2508-8-0x0000000000EF0000-0x0000000000FB6000-memory.dmp

Filesize
792KB

Download
memory/2508-0-0x0000000000EF0000-0x0000000000FB6000-memory.dmp

Filesize
792KB

Download
memory/2768-22-0x0000000001230000-0x00000000012F6000-memory.dmp

Filesize
792KB

Download
memory/2768-25-0x0000000001230000-0x00000000012F6000-memory.dmp

Filesize
792KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads