darkcomet | 36d4617c693644deef588b58f2a8b57ba966247c8fd435710cd0764cce1b9c93

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-02-2025 14:47

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General

Target

JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Size

283KB
MD5

006100d05d0b0406d17ab8d0429e207f
SHA1

e189b7f5a34bd3dfac8abcedcae12cfa0748f337
SHA256

36d4617c693644deef588b58f2a8b57ba966247c8fd435710cd0764cce1b9c93
SHA512

e94aa925b5167c65f751bb5b7da668ad501dc5737435c757015aa9ba79ba99996fbffc8226b7f89a6c24090bf0fe978a640640a35290900a46bc241fe4643cee
SSDEEP

6144:vcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37Pja:vcW7KEZlPzCy37ba

Score

10^/10

darkcomet guest16 defense_evasion discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-BDY1DTW

Attributes

gencode
lJvR8fiYWyDh
install
false
offline_keylogger
true
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 firewall policy service 3 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Windows security bypass 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2812	attrib.exe
2804	attrib.exe

Windows security modification 2 TTPs 2 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1924-0-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1924-30-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1924-32-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1924-33-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1924-37-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1924-38-0x0000000000400000-0x00000000004C7000-memory.dmp	upx
behavioral1/memory/1924-44-0x0000000000400000-0x00000000004C7000-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 6 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeSecurityPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeTakeOwnershipPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeLoadDriverPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeSystemProfilePrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeSystemtimePrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeProfSingleProcessPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeIncBasePriorityPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeCreatePagefilePrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeBackupPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeRestorePrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeShutdownPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeDebugPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeSystemEnvironmentPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeChangeNotifyPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeRemoteShutdownPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeUndockPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeManageVolumePrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeImpersonatePrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: SeCreateGlobalPrivilege	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: 33	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: 34	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
Token: 35	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2040	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	31
PID 1924 wrote to memory of 2040	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	31
PID 1924 wrote to memory of 2040	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	31
PID 1924 wrote to memory of 2040	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	31
PID 1924 wrote to memory of 1608	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	32
PID 1924 wrote to memory of 1608	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	32
PID 1924 wrote to memory of 1608	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	32
PID 1924 wrote to memory of 1608	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	32
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1924 wrote to memory of 2500	1924	JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe	34
PID 1608 wrote to memory of 2812	1608	cmd.exe	36
PID 1608 wrote to memory of 2812	1608	cmd.exe	36
PID 1608 wrote to memory of 2812	1608	cmd.exe	36
PID 1608 wrote to memory of 2812	1608	cmd.exe	36
PID 2040 wrote to memory of 2804	2040	cmd.exe	37
PID 2040 wrote to memory of 2804	2040	cmd.exe	37
PID 2040 wrote to memory of 2804	2040	cmd.exe	37
PID 2040 wrote to memory of 2804	2040	cmd.exe	37

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2812	attrib.exe
2804	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2040
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_006100d05d0b0406d17ab8d0429e207f.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2812
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

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

memory/1924-0-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1924-1-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1924-30-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1924-31-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1924-32-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1924-33-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1924-37-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1924-38-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/1924-44-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2500-29-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2500-2-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads