darkcomet | d8a07ee3c5b8c1495c2461e10703f6de8800db8e2a2ae2b3e3fa467747ea6204

General

Target

3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe
Size

1.2MB
MD5

3f3049e1470a2b2cbd5e5a8581df06f4
SHA1

3eb6f64051fc5c1aae042d5a0aed8b9a8bf2e2e9
SHA256

d8a07ee3c5b8c1495c2461e10703f6de8800db8e2a2ae2b3e3fa467747ea6204
SHA512

2cecaf631a6b3682dcf289c44bf9ccc28dc7e6c690ca1ceeeae46d7555b6f282d4b1402ecda8473b50f147ba472aad70361845e30613fab87658d522138ee64a
SSDEEP

24576:f79OKNSKZab8ihfodVkB8UGqflZNLD1P+Tcy:MKZHaSPld

Score

10^/10

darkcomet latentbot discovery evasion persistence rat trojan

Malware Config

Extracted

Family

latentbot

C2

deuscrypter.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

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
2644	attrib.exe
1740	attrib.exe

Executes dropped EXE 1 IoCs

Processes:

ciwxxpfm.exe

pid	Process
1216	ciwxxpfm.exe

Loads dropped DLL 1 IoCs

Processes:

3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe

pid	Process
2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\wuapp = "C:\\Users\\Admin\\AppData\\Roaming\\wuapp"	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2364 set thread context of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30

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:

cmd.exeattrib.exeattrib.exe3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.execiwxxpfm.execmd.exe

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ciwxxpfm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

ciwxxpfm.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1216	ciwxxpfm.exe
Token: SeSecurityPrivilege	1216	ciwxxpfm.exe
Token: SeTakeOwnershipPrivilege	1216	ciwxxpfm.exe
Token: SeLoadDriverPrivilege	1216	ciwxxpfm.exe
Token: SeSystemProfilePrivilege	1216	ciwxxpfm.exe
Token: SeSystemtimePrivilege	1216	ciwxxpfm.exe
Token: SeProfSingleProcessPrivilege	1216	ciwxxpfm.exe
Token: SeIncBasePriorityPrivilege	1216	ciwxxpfm.exe
Token: SeCreatePagefilePrivilege	1216	ciwxxpfm.exe
Token: SeBackupPrivilege	1216	ciwxxpfm.exe
Token: SeRestorePrivilege	1216	ciwxxpfm.exe
Token: SeShutdownPrivilege	1216	ciwxxpfm.exe
Token: SeDebugPrivilege	1216	ciwxxpfm.exe
Token: SeSystemEnvironmentPrivilege	1216	ciwxxpfm.exe
Token: SeChangeNotifyPrivilege	1216	ciwxxpfm.exe
Token: SeRemoteShutdownPrivilege	1216	ciwxxpfm.exe
Token: SeUndockPrivilege	1216	ciwxxpfm.exe
Token: SeManageVolumePrivilege	1216	ciwxxpfm.exe
Token: SeImpersonatePrivilege	1216	ciwxxpfm.exe
Token: SeCreateGlobalPrivilege	1216	ciwxxpfm.exe
Token: 33	1216	ciwxxpfm.exe
Token: 34	1216	ciwxxpfm.exe
Token: 35	1216	ciwxxpfm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ciwxxpfm.exe

pid	Process
1216	ciwxxpfm.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.execiwxxpfm.execmd.execmd.exe

description	pid	Process	procid_target
PID 2364 wrote to memory of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30
PID 2364 wrote to memory of 1216	2364	3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe	30
PID 1216 wrote to memory of 2480	1216	ciwxxpfm.exe	31
PID 1216 wrote to memory of 2480	1216	ciwxxpfm.exe	31
PID 1216 wrote to memory of 2480	1216	ciwxxpfm.exe	31
PID 1216 wrote to memory of 2480	1216	ciwxxpfm.exe	31
PID 1216 wrote to memory of 1028	1216	ciwxxpfm.exe	33
PID 1216 wrote to memory of 1028	1216	ciwxxpfm.exe	33
PID 1216 wrote to memory of 1028	1216	ciwxxpfm.exe	33
PID 1216 wrote to memory of 1028	1216	ciwxxpfm.exe	33
PID 1028 wrote to memory of 2644	1028	cmd.exe	35
PID 1028 wrote to memory of 2644	1028	cmd.exe	35
PID 1028 wrote to memory of 2644	1028	cmd.exe	35
PID 1028 wrote to memory of 2644	1028	cmd.exe	35
PID 2480 wrote to memory of 1740	2480	cmd.exe	36
PID 2480 wrote to memory of 1740	2480	cmd.exe	36
PID 2480 wrote to memory of 1740	2480	cmd.exe	36
PID 2480 wrote to memory of 1740	2480	cmd.exe	36

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
1740	attrib.exe
2644	attrib.exe

C:\Users\Admin\AppData\Local\Temp\3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3f3049e1470a2b2cbd5e5a8581df06f4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\ciwxxpfm.exe
  "C:\Users\Admin\AppData\Local\Temp\ciwxxpfm.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ciwxxpfm.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2480
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\ciwxxpfm.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1740
- - 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:1028
  - - 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:2644

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

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

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\Local\Temp\ciwxxpfm.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/1216-18-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1216-13-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1216-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-19-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-28-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-24-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-20-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-22-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/1216-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2364-2-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2364-15-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2364-0-0x0000000074051000-0x0000000074052000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download
memory/2364-5-0x0000000074050000-0x00000000745FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads