darkcomet | 7b35c6381adbf11bd623eedd5a49441ea54946c25448e5e127486ade11036d24

General

Target

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Size

780KB
MD5

98ce5d021ba40f7a2bb1035aa08793dc
SHA1

23751b00d2e23c33dc83f4fc68722fa490e9c5dc
SHA256

7b35c6381adbf11bd623eedd5a49441ea54946c25448e5e127486ade11036d24
SHA512

2a60c392d751f4adf533b22f2802a8df261f551ec87e93a419c506aabb764a9a52611b7e62d8e79ec2ea51acc7ed167e03b31e01faa7e66b206326a05f758823
SSDEEP

12288:Qxa5KJ0g3va/9UfeU7cdHca2kkCVZN6q6pjW9hyKcujTLs4E9fQb:Qxa60gcSey88a9kxEhy6o9k

Score

10^/10

darkcomet novo12 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Novo12

C2

89.205.30.2:1604

Mutex

DC_MUTEX-LSCGXAA

Attributes

gencode
8XGLH6uUEFw6
install
false
offline_keylogger
true
persistence
false

Signatures

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

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\csrss = "C:\\Program Files (x86)\\Firefox Extenstion\\csrss.exe"	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
216	attrib.exe
1176	attrib.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

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\csrss = "C:\\Program Files (x86)\\Firefox Extenstion\\csrss.exe"	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3496 set thread context of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83

Drops file in Program Files directory 2 IoCs

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Firefox Extenstion\csrss.exe	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
File created	C:\Program Files (x86)\Firefox Extenstion\csrss.exe	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

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

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.execmd.execmd.exeattrib.exeattrib.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

pid	Process
1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeSecurityPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeBackupPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeRestorePrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeShutdownPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeDebugPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeUndockPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: 33	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: 34	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: 35	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
Token: 36	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

pid	Process
3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.execmd.execmd.exe

description	pid	Process	procid_target
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 3496 wrote to memory of 1564	3496	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	83
PID 1564 wrote to memory of 3696	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	84
PID 1564 wrote to memory of 3696	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	84
PID 1564 wrote to memory of 3696	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	84
PID 1564 wrote to memory of 3632	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	86
PID 1564 wrote to memory of 3632	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	86
PID 1564 wrote to memory of 3632	1564	98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe	86
PID 3696 wrote to memory of 216	3696	cmd.exe	88
PID 3696 wrote to memory of 216	3696	cmd.exe	88
PID 3696 wrote to memory of 216	3696	cmd.exe	88
PID 3632 wrote to memory of 1176	3632	cmd.exe	89
PID 3632 wrote to memory of 1176	3632	cmd.exe	89
PID 3632 wrote to memory of 1176	3632	cmd.exe	89

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
216	attrib.exe
1176	attrib.exe

C:\Users\Admin\AppData\Local\Temp\98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe"
1⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1564
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3696
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\98ce5d021ba40f7a2bb1035aa08793dc_JaffaCakes118.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:216
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3632
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1176

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

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

memory/1564-6-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-5-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-8-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-11-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-13-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-16-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-18-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-20-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1564-22-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads