darkcomet | 1a14e1b1e8652f1d3d0dc4e4494319434e745a10ccd897a3614ea47f88c4f789

General

Target

JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe
Size

1.1MB
MD5

0ab98cc04b1fd5c9bf530ba47af7df69
SHA1

98a5b3e0a9daf14d8f1c06a68f69405ed16d5096
SHA256

1a14e1b1e8652f1d3d0dc4e4494319434e745a10ccd897a3614ea47f88c4f789
SHA512

fc66e99f26968e5a0eede9a4a3322940bb64e0fd845e447076fd910426e3474d4fd5e98a3d995323c2175bfcc161fe36a464fa6c9a81d0ebe755e1ba9d03d7cb
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaCN2niHSSEpcjXlZpQVa:7JZoQrbTFZY1iaCUnpSjVZGQ

Score

10^/10

darkcomet ultra defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Ultra

C2

nyffernipt.no-ip.org:91

Mutex

DC_MUTEX-23E3BE1

Attributes

gencode
u20WAWCwrtRD
install
false
offline_keylogger
true
password
thiago3000
persistence
false

rc4.plain

Signatures

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

UAC bypass 3 TTPs 2 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dmw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe

Executes dropped EXE 2 IoCs

pid	Process
2764	dmw.exe
1936	dmw.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\dmw = "C:\\info_x\\dmw.exe"	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\dmw = "C:\\info_x\\dmw.exe"	dmw.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dmw.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x001200000001e698-8.dat	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 1936	2764	dmw.exe	94

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 4 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_0ab98cc04b1fd5c9bf530ba47af7df69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dmw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dmw.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1936	dmw.exe
Token: SeSecurityPrivilege	1936	dmw.exe
Token: SeTakeOwnershipPrivilege	1936	dmw.exe
Token: SeLoadDriverPrivilege	1936	dmw.exe
Token: SeSystemProfilePrivilege	1936	dmw.exe
Token: SeSystemtimePrivilege	1936	dmw.exe
Token: SeProfSingleProcessPrivilege	1936	dmw.exe
Token: SeIncBasePriorityPrivilege	1936	dmw.exe
Token: SeCreatePagefilePrivilege	1936	dmw.exe
Token: SeBackupPrivilege	1936	dmw.exe
Token: SeRestorePrivilege	1936	dmw.exe
Token: SeShutdownPrivilege	1936	dmw.exe
Token: SeDebugPrivilege	1936	dmw.exe
Token: SeSystemEnvironmentPrivilege	1936	dmw.exe
Token: SeChangeNotifyPrivilege	1936	dmw.exe
Token: SeRemoteShutdownPrivilege	1936	dmw.exe
Token: SeUndockPrivilege	1936	dmw.exe
Token: SeManageVolumePrivilege	1936	dmw.exe
Token: SeImpersonatePrivilege	1936	dmw.exe
Token: SeCreateGlobalPrivilege	1936	dmw.exe
Token: 33	1936	dmw.exe
Token: 34	1936	dmw.exe
Token: 35	1936	dmw.exe
Token: 36	1936	dmw.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1936	dmw.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3080 wrote to memory of 4800	3080	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe	90
PID 3080 wrote to memory of 4800	3080	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe	90
PID 3080 wrote to memory of 4800	3080	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe	90
PID 3080 wrote to memory of 2764	3080	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe	92
PID 3080 wrote to memory of 2764	3080	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe	92
PID 3080 wrote to memory of 2764	3080	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe	92
PID 2764 wrote to memory of 1936	2764	dmw.exe	94
PID 2764 wrote to memory of 1936	2764	dmw.exe	94
PID 2764 wrote to memory of 1936	2764	dmw.exe	94
PID 2764 wrote to memory of 1936	2764	dmw.exe	94
PID 2764 wrote to memory of 1936	2764	dmw.exe	94

System policy modification 1 TTPs 4 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	dmw.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dmw.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe"
1⤵
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3080
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C copy "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ab98cc04b1fd5c9bf530ba47af7df69.exe" "C:\info_x\dmw.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4800
- C:\info_x\dmw.exe
  "C:\info_x\dmw.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2764
- - C:\info_x\dmw.exe
    "C:\info_x\dmw.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1936

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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:\info_x\dmw.exe

Filesize
1.1MB

MD5
0ab98cc04b1fd5c9bf530ba47af7df69

SHA1
98a5b3e0a9daf14d8f1c06a68f69405ed16d5096

SHA256
1a14e1b1e8652f1d3d0dc4e4494319434e745a10ccd897a3614ea47f88c4f789

SHA512
fc66e99f26968e5a0eede9a4a3322940bb64e0fd845e447076fd910426e3474d4fd5e98a3d995323c2175bfcc161fe36a464fa6c9a81d0ebe755e1ba9d03d7cb

Download Submit
memory/1936-11-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-13-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-15-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-14-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-16-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download
memory/1936-18-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-17-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-19-0x00000000000D0000-0x0000000000182000-memory.dmp

Filesize
712KB

Download
memory/1936-20-0x0000000002C10000-0x0000000002C11000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads