discordrat | 8cd446387f47cd667943aba6e1e636c36fe07fb2dbc0990201fb3552ca8077e4

Resubmissions

19-03-2024 16:53

240319-vd25pagh87 10

19-03-2024 16:51

240319-vcxhtagh56 10

Analysis

max time kernel
20s
max time network
22s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 16:53

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General

Target

silence/silence-workspace.exe
Size

1.7MB
MD5

839a13e8b65aab0cb6d061ac82a8e3d4
SHA1

3de9d9d68c94493867bcb081d093bf39d45bf923
SHA256

a8741e78c8b8b86042814e65b5a7ab358f1050757de3738a0d358097db996bd3
SHA512

ea2ded5b24dc88af32673957a7cc85c5b602fec5731c4af4d3cb9859009f0af6d2b9b629253090d23715af3b8030fc5727612f92a5339e08748fad5694eff2bc
SSDEEP

49152:O0xx0GTBlPBAc2AVMlsHbeucMYc5pSoUiGG8:OWTkcH3Hyo

Score

10^/10

discordrat persistence rat rootkit stealer

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTIwODA5NTM2NDk2MDM1NDM3NA.GizXN5._a-pu5nHBPQiBTo-MibYQvf7mDtkutfsttwhUo
server_id
1208095629734322196

Signatures

Discord RAT
A RAT written in C# using Discord as a C2.
stealer rootkit rat persistence discordrat

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-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	silence-workspace.exe

Executes dropped EXE 2 IoCs

pid	Process
4768	CLIENT-BUILT.EXE
2216	SILENCE-WORKSPACE.EXE

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
19	discord.com
21	discord.com
55	discord.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4768	CLIENT-BUILT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 4768	4192	silence-workspace.exe	90
PID 4192 wrote to memory of 4768	4192	silence-workspace.exe	90
PID 4192 wrote to memory of 2216	4192	silence-workspace.exe	91
PID 4192 wrote to memory of 2216	4192	silence-workspace.exe	91
PID 2216 wrote to memory of 1272	2216	SILENCE-WORKSPACE.EXE	93
PID 2216 wrote to memory of 1272	2216	SILENCE-WORKSPACE.EXE	93
PID 1272 wrote to memory of 2964	1272	cmd.exe	94
PID 1272 wrote to memory of 2964	1272	cmd.exe	94
PID 1272 wrote to memory of 3972	1272	cmd.exe	95
PID 1272 wrote to memory of 3972	1272	cmd.exe	95
PID 1272 wrote to memory of 2708	1272	cmd.exe	96
PID 1272 wrote to memory of 2708	1272	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\silence\silence-workspace.exe
"C:\Users\Admin\AppData\Local\Temp\silence\silence-workspace.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4192
- C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE
  "C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4768
- C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE
  "C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2216
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE" MD5 | find /i /v "md5" | find /i /v "certutil"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1272
  - - C:\Windows\system32\certutil.exe
      certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE" MD5
      4⤵
      PID:2964
  - - C:\Windows\system32\find.exe
      find /i /v "md5"
      4⤵
      PID:3972
  - - C:\Windows\system32\find.exe
      find /i /v "certutil"
      4⤵
      PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control