darkcomet | 2fd9cceceb251d1df2ecc66c8dc6ae5a6952478fb1b3070c3c227db57ea00127

General

Target

JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe
Size

767KB
MD5

0ec967f57a0c4d081b0246a073dad1e7
SHA1

3d898ac8995b0383e0d9527b1af9411cf96e60fd
SHA256

2fd9cceceb251d1df2ecc66c8dc6ae5a6952478fb1b3070c3c227db57ea00127
SHA512

ab176a5ac25f5d6517e8cdcc1282430373083c33fd99c834ec0d172a3ab604f8a98e5b07c794758078e04ece25337f4a8604969e4a725f603ca80cb348782a2b
SSDEEP

12288:BRa5Xw2gxiu9zNd3mW1LoOlfbWNOn5bh7xQPyEiTtIhODDVxIkLQr2tQfBKZn6L:BotwbUu9LmWtowFtQBibDEGQqt2wZnS

Score

10^/10

darkcomet may31 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

May31

C2

xxhemxx.no-ip.biz:6546

Mutex

DC_MUTEX-NKWKVBT

Attributes

gencode
9VgY0Uu3jUYS
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

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4012 set thread context of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83

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 3 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_0ec967f57a0c4d081b0246a073dad1e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000_Classes\Local Settings	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe
Token: SeIncreaseQuotaPrivilege	2660	svchost.exe
Token: SeSecurityPrivilege	2660	svchost.exe
Token: SeTakeOwnershipPrivilege	2660	svchost.exe
Token: SeLoadDriverPrivilege	2660	svchost.exe
Token: SeSystemProfilePrivilege	2660	svchost.exe
Token: SeSystemtimePrivilege	2660	svchost.exe
Token: SeProfSingleProcessPrivilege	2660	svchost.exe
Token: SeIncBasePriorityPrivilege	2660	svchost.exe
Token: SeCreatePagefilePrivilege	2660	svchost.exe
Token: SeBackupPrivilege	2660	svchost.exe
Token: SeRestorePrivilege	2660	svchost.exe
Token: SeShutdownPrivilege	2660	svchost.exe
Token: SeDebugPrivilege	2660	svchost.exe
Token: SeSystemEnvironmentPrivilege	2660	svchost.exe
Token: SeChangeNotifyPrivilege	2660	svchost.exe
Token: SeRemoteShutdownPrivilege	2660	svchost.exe
Token: SeUndockPrivilege	2660	svchost.exe
Token: SeManageVolumePrivilege	2660	svchost.exe
Token: SeImpersonatePrivilege	2660	svchost.exe
Token: SeCreateGlobalPrivilege	2660	svchost.exe
Token: 33	2660	svchost.exe
Token: 34	2660	svchost.exe
Token: 35	2660	svchost.exe
Token: 36	2660	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 2660	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	83
PID 4012 wrote to memory of 4560	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	84
PID 4012 wrote to memory of 4560	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	84
PID 4012 wrote to memory of 4560	4012	JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ec967f57a0c4d081b0246a073dad1e7.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2660
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\j.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\j.vbs

Filesize
333B

MD5
80f706e195740264c8330bab4783c365

SHA1
1e025ea8d8e54e55da6b055afb8c194ec2b99d35

SHA256
f6a73380916ec0a843232d63cf0200957ab5e8a12f20fa7d6b3187c31a8477aa

SHA512
c03f9b1cd08c46ae948f6cd79b0c3927c5976019b81aa2d7cb45650ef9f5728033f2c548a55551841ed81f0594adbc08b5a5e69c73e9fddaacf2d7585b0b3dc3

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

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/2660-14-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2660-24-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-30-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-8-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-12-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-13-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-16-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-29-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-28-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-27-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-22-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-23-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-5-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-25-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2660-26-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/4012-21-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4012-1-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download
memory/4012-0-0x0000000075242000-0x0000000075243000-memory.dmp

Filesize
4KB

Download
memory/4012-2-0x0000000075240000-0x00000000757F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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