darkcomet | f49bf2c5698fe779a68866d692ed7ebaaa67e472c0448a9fc7baea60e6c875f5

General

Target

JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe
Size

1.2MB
MD5

8837b60e5ea7b7fe82953a676566d8c7
SHA1

048d76a2f86d90b5766b61ff07db6acba20b634e
SHA256

f49bf2c5698fe779a68866d692ed7ebaaa67e472c0448a9fc7baea60e6c875f5
SHA512

3c5e6d9e8e4b1fd06c5cd02b6314c1d6c5567d675b4c0f1e5e2ec23b9880f2279b671befb547d0686f113602d89ec9f4a031be294431f31fc531c439383f63ef
SSDEEP

12288:4+W/Bv17kMLTTTdfIX1y6hgpcKiaqb7MybKbeLSVNIYntkypxCJfFSzk+wDvCXPU:4BdshJMXiJo7jWy8a1VXiNhbnQ+

Score

10^/10

darkcomet ms-dos defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ms-dos

C2

pourmoi.zapto.org:2000

pourmoi.zapto.org:200

pourmoi.zapto.org:1604

pourmoi.zapto.org:164

pourmoi.zapto.org:80

Mutex

DC_MUTEX-M5FD2QE

Attributes

gencode
dS$=Gi/U7yGB
install
false
offline_keylogger
true
password
da06101266
persistence
false

rc4.plain

Signatures

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

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
1276	attrib.exe
5816	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2640	svchost.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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1 = "C:\\Users\\Admin\\AppData\\Roaming\\JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe"	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4292 set thread context of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88

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	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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

pid	Process
2640	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2640	svchost.exe
Token: SeSecurityPrivilege	2640	svchost.exe
Token: SeTakeOwnershipPrivilege	2640	svchost.exe
Token: SeLoadDriverPrivilege	2640	svchost.exe
Token: SeSystemProfilePrivilege	2640	svchost.exe
Token: SeSystemtimePrivilege	2640	svchost.exe
Token: SeProfSingleProcessPrivilege	2640	svchost.exe
Token: SeIncBasePriorityPrivilege	2640	svchost.exe
Token: SeCreatePagefilePrivilege	2640	svchost.exe
Token: SeBackupPrivilege	2640	svchost.exe
Token: SeRestorePrivilege	2640	svchost.exe
Token: SeShutdownPrivilege	2640	svchost.exe
Token: SeDebugPrivilege	2640	svchost.exe
Token: SeSystemEnvironmentPrivilege	2640	svchost.exe
Token: SeChangeNotifyPrivilege	2640	svchost.exe
Token: SeRemoteShutdownPrivilege	2640	svchost.exe
Token: SeUndockPrivilege	2640	svchost.exe
Token: SeManageVolumePrivilege	2640	svchost.exe
Token: SeImpersonatePrivilege	2640	svchost.exe
Token: SeCreateGlobalPrivilege	2640	svchost.exe
Token: 33	2640	svchost.exe
Token: 34	2640	svchost.exe
Token: 35	2640	svchost.exe
Token: 36	2640	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2640	svchost.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 4292 wrote to memory of 2640	4292	JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe	88
PID 2640 wrote to memory of 4232	2640	svchost.exe	89
PID 2640 wrote to memory of 4232	2640	svchost.exe	89
PID 2640 wrote to memory of 4232	2640	svchost.exe	89
PID 2640 wrote to memory of 5968	2640	svchost.exe	90
PID 2640 wrote to memory of 5968	2640	svchost.exe	90
PID 2640 wrote to memory of 5968	2640	svchost.exe	90
PID 5968 wrote to memory of 1276	5968	cmd.exe	94
PID 5968 wrote to memory of 1276	5968	cmd.exe	94
PID 5968 wrote to memory of 1276	5968	cmd.exe	94
PID 4232 wrote to memory of 5816	4232	cmd.exe	95
PID 4232 wrote to memory of 5816	4232	cmd.exe	95
PID 4232 wrote to memory of 5816	4232	cmd.exe	95

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1276	attrib.exe
5816	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8837b60e5ea7b7fe82953a676566d8c7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4232
  - - 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:5816
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5968
  - - 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:1276

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

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

Filesize
50B

MD5
b774ae3fb1da087e1f83b4f7b2060e5a

SHA1
97eb9be49ac3af9c851c9e1e84e32bfd53e325a8

SHA256
adaf4a84b41e410b02e261cfd0fe7739d98647eab73c3badd32ac6e39f26351b

SHA512
f75d0f95f7306d26a12b414bfe37b97fbd37546cb3c6e403def7077329ddffb4b45d5c5f0ba0e7bb6d72851d2d691b0a85267beead42f7cbf2e8c3d45a3b4701

Download Submit
memory/2640-14-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-39-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-43-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-12-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-29-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-42-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-15-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2640-24-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-25-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-27-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-26-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-41-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-7-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-40-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-10-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-31-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-32-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-33-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-34-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-35-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-36-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-37-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-38-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2640-30-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/4292-1-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/4292-18-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download
memory/4292-0-0x0000000074792000-0x0000000074793000-memory.dmp

Filesize
4KB

Download
memory/4292-2-0x0000000074790000-0x0000000074D41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads