darkcomet | e0b2a55a69452a0a9f553465c4caefeed7cd4ea702336ea5edfbf04c4e83786b

General

Target

25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe
Size

722KB
MD5

25220c08037b0968707d3896adcb6c7a
SHA1

02822fb0b72db00f43439f46f02e3583aa8c1e2a
SHA256

e0b2a55a69452a0a9f553465c4caefeed7cd4ea702336ea5edfbf04c4e83786b
SHA512

7cfb99fbac200d45b33d78c01816f430649aafaf304924981196c8d26bf99f14c9a47828a148f1b6639bb0af2c6bfc447b0662cf47348503695d5814720f78ba
SSDEEP

12288:soRKc/0YmzKcDjXxV4TirIlxRxPjqFW8g5tqgkuFRWfVlideZ+OBOcL7VAtMor/j:27YmWcDjhV4WMlrxWFoPqghF3OBLLBAD

Score

10^/10

darkcomet bot-torrent discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Bot-torrent

C2

plicplouc.no-ip.org:1604

Mutex

DC_MUTEX-05PEARG

Attributes

gencode
BbiS1mPRm9oZ
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2784 set thread context of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86

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	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.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-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3400	svchost.exe
Token: SeSecurityPrivilege	3400	svchost.exe
Token: SeTakeOwnershipPrivilege	3400	svchost.exe
Token: SeLoadDriverPrivilege	3400	svchost.exe
Token: SeSystemProfilePrivilege	3400	svchost.exe
Token: SeSystemtimePrivilege	3400	svchost.exe
Token: SeProfSingleProcessPrivilege	3400	svchost.exe
Token: SeIncBasePriorityPrivilege	3400	svchost.exe
Token: SeCreatePagefilePrivilege	3400	svchost.exe
Token: SeBackupPrivilege	3400	svchost.exe
Token: SeRestorePrivilege	3400	svchost.exe
Token: SeShutdownPrivilege	3400	svchost.exe
Token: SeDebugPrivilege	3400	svchost.exe
Token: SeSystemEnvironmentPrivilege	3400	svchost.exe
Token: SeChangeNotifyPrivilege	3400	svchost.exe
Token: SeRemoteShutdownPrivilege	3400	svchost.exe
Token: SeUndockPrivilege	3400	svchost.exe
Token: SeManageVolumePrivilege	3400	svchost.exe
Token: SeImpersonatePrivilege	3400	svchost.exe
Token: SeCreateGlobalPrivilege	3400	svchost.exe
Token: 33	3400	svchost.exe
Token: 34	3400	svchost.exe
Token: 35	3400	svchost.exe
Token: 36	3400	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3400	svchost.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 3400	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	86
PID 2784 wrote to memory of 4520	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	87
PID 2784 wrote to memory of 4520	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	87
PID 2784 wrote to memory of 4520	2784	25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\25220c08037b0968707d3896adcb6c7a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\25220c08037b0968707d3896adcb6c7a_JaffaCakes118.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:2784
- 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:3400
- 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:4520

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
343B

MD5
65f94bdf37000c4e117754678961b3df

SHA1
1c923def5d3198b49e4ace9c5054d1a41324d43a

SHA256
a8fd3a5c18a3ba04d4634974ad524c9283089148cc677fee58d311a0aa6b950b

SHA512
f21526e5ccb670e38a18bdd4dd49ca595569df5e0d83a3da2c5853205de440c81724409f84017132df4bb06e1d5e3604b7853669169238bc0a60610eab31dd05

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

Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/2784-0-0x0000000074CD2000-0x0000000074CD3000-memory.dmp

Filesize
4KB

Download
memory/2784-1-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2784-2-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/2784-22-0x0000000074CD0000-0x0000000075281000-memory.dmp

Filesize
5.7MB

Download
memory/3400-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-15-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/3400-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3400-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

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