discordrat | 8cd446387f47cd667943aba6e1e636c36fe07fb2dbc0990201fb3552ca8077e4

Resubmissions

19/03/2024, 16:46

240319-t968vagg7410

19/03/2024, 16:44

240319-t811fahe2x10

19/03/2024, 16:41

240319-t68x9sgf7710

Analysis

max time kernel
136s
max time network
170s
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, 16:46

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General

Target
silence/silence-workspace.exe
Size 1.7MB
Sample240319-t968vagg74
SHA256 a8741e78c8b8b86042814e65b5a7ab358f1050757de3738a0d358097db996bd3
MD5 839a13e8b65aab0cb6d061ac82a8e3d4
SHA1 3de9d9d68c94493867bcb081d093bf39d45bf923
SHA512 ea2ded5b24dc88af32673957a7cc85c5b602fec5731c4af4d3cb9859009f0af6d2b9b629253090d23715af3b8030fc5727612f92a5339e08748fad5694eff2bc
SSDEEP 49152:O0xx0GTBlPBAc2AVMlsHbeucMYc5pSoUiGG8:OWTkcH3Hyo
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	silence-workspace.exe

Executes dropped EXE 2 IoCs

pid	Process
1976	CLIENT-BUILT.EXE
1860	SILENCE-WORKSPACE.EXE

Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs

Web Service

T1102

flow	ioc
33	discord.com
34	discord.com
52	discord.com
61	discord.com
62	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	1976	CLIENT-BUILT.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 1976	4368	silence-workspace.exe	91
PID 4368 wrote to memory of 1976	4368	silence-workspace.exe	91
PID 4368 wrote to memory of 1860	4368	silence-workspace.exe	92
PID 4368 wrote to memory of 1860	4368	silence-workspace.exe	92
PID 1860 wrote to memory of 1212	1860	SILENCE-WORKSPACE.EXE	94
PID 1860 wrote to memory of 1212	1860	SILENCE-WORKSPACE.EXE	94
PID 1212 wrote to memory of 316	1212	cmd.exe	96
PID 1212 wrote to memory of 316	1212	cmd.exe	96
PID 1212 wrote to memory of 4924	1212	cmd.exe	97
PID 1212 wrote to memory of 4924	1212	cmd.exe	97
PID 1212 wrote to memory of 1408	1212	cmd.exe	98
PID 1212 wrote to memory of 1408	1212	cmd.exe	98

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:4368
- 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:1976
- 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:1860
- - 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:1212
  - - C:\Windows\system32\certutil.exe
      certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE" MD5
      4⤵
      PID:316
  - - C:\Windows\system32\find.exe
      find /i /v "md5"
      4⤵
      PID:4924
  - - C:\Windows\system32\find.exe
      find /i /v "certutil"
      4⤵
      PID:1408

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

Web Service

T1102

Exfiltration

Impact

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Downloads

CLIENT-BUILT.EXE

Path C:\Users\Admin\AppData\Local\Temp\CLIENT-BUILT.EXE
Size 78KB
SHA256 15fbe5942c60d92081fa93d5444a7abb355dc917c9ea3a44585d5a4b4219e91a
MD5 6f9c42f940f854243a2f445c8cb750ec
SHA1 aeed75218753dd1f184cc55ebbe8a1a80e5a59f3
SHA512 612bfac0a8a079a67e361e87ac6eaf9c9cc5a4940b5dd74ecb6c61e2811707b2e60e60ee70102622c0bb222b01a3aced82853d130d2f07075e8d629e33bb8cb2
SSDEEP 1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+qPIC:5Zv5PDwbjNrmAE+2IC
MD5 SHA1 SHA512 SSDEEP

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SILENCE-WORKSPACE.EXE

Path C:\Users\Admin\AppData\Local\Temp\SILENCE-WORKSPACE.EXE
Size 1.6MB
SHA256 c100648181026be6dbce91beb36b5cd859563c4b0edd8e4a0aa5d60829467b30
MD5 8b393057c5c9026495f8efbe7234b1c4
SHA1 21aff93ce1ff29a961ac947cafd75b6994fb5ae8
SHA512 57504769cff622817a129f4b0d235d2f148a381d588950949f0b0316c71aef46e3d0d17747a50a81a946e73af486962d52f23160fe937c1d6caf8db4b1996952
SSDEEP 49152:nxx0GTBlPBAc2AVMlsHbeucMYc5pSoUiGG8:xTkcH3Hyo
MD5 SHA1 SHA512 SSDEEP

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memory/1976-17-0x00000202B4710000-0x00000202B4728000-memory.dmp

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memory/1976-19-0x00000202CED60000-0x00000202CEF22000-memory.dmp

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memory/1976-21-0x00007FFEEE4D0000-0x00007FFEEEF91000-memory.dmp

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memory/1976-22-0x00000202B6440000-0x00000202B6450000-memory.dmp

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memory/1976-23-0x00000202CF560000-0x00000202CFA88000-memory.dmp

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memory/1976-24-0x00007FFEEE4D0000-0x00007FFEEEF91000-memory.dmp

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memory/1976-25-0x00000202B6440000-0x00000202B6450000-memory.dmp

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Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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