discordrat | b9fd4aca42133403e05d417f052ebe40deac25d7aded16c9874efb541e2b5592

General

Target

Downloads.exe
Size

858KB
MD5

46f51ae945eeca2328c6c665b03bdd7a
SHA1

176b470019ea54e3e6744212ae3327aea6955d0a
SHA256

b9fd4aca42133403e05d417f052ebe40deac25d7aded16c9874efb541e2b5592
SHA512

c91733bfe7b10e7164a019304542be8134f23beb2d240e933d361fabdd5506132b35766dbe285f8c5f315d0c098adb27e4c33e15b5f9b84370eb5bf0f972560d
SSDEEP

12288:3BdlwHRn+WlYV+Rrk9zxjWArfeOr1v7bf19DoMlAJeiM0Yi3X:3BkVdlYApqzhWArWgf1JoHJJM0XH

Score

10^/10

discordrat discovery persistence rat rootkit stealer

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTIxNjI3NTQxNDkzOTQ3MTkzMw.GRS1yy.19VIDNlC_ufvqcG54rtoK2zZBYo0iFNgP_yy8A
server_id
1232040494909886555

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3844	Client-built.exe

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

Web Service

T1102

flow	ioc
1	discord.com
3	discord.com
5	discord.com

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 1 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	Downloads.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1537126222-899333903-2037027349-1000_Classes\Local Settings	Downloads.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1108	vlc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1108	vlc.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	Client-built.exe
Token: 33	2376	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2376	AUDIODG.EXE
Token: 33	1108	vlc.exe
Token: SeIncBasePriorityPrivilege	1108	vlc.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe
1108	vlc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 1108	544	Downloads.exe	77
PID 544 wrote to memory of 1108	544	Downloads.exe	77
PID 544 wrote to memory of 3844	544	Downloads.exe	80
PID 544 wrote to memory of 3844	544	Downloads.exe	80

C:\Users\Admin\AppData\Local\Temp\Downloads.exe
"C:\Users\Admin\AppData\Local\Temp\Downloads.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:544
- C:\Program Files\VideoLAN\VLC\vlc.exe
  "C:\Program Files\VideoLAN\VLC\vlc.exe" --started-from-file "C:\Users\Admin\AppData\Local\Temp\1_optimized_200KB.mp4"
  2⤵
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1108
- 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:3844

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x00000000000004DC 0x00000000000004F0
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1_optimized_200KB.mp4

Filesize
273KB

MD5
9534c4aa50620d4a051009e753584681

SHA1
33f9fba08ee0332aade74b5c12dad12611fdcec3

SHA256
f5e9836d586b1fd0c2fbea573963991118923b5934be5216ba68dffb33988bcd

SHA512
d7976669d7fde0090d784fd4ad1b162581011de422690d37a297c82f23099863b63e46854f53feb504f857041bc5db70a2569658047fccfd65bff188dcf7552d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Client-built.exe

Filesize
78KB

MD5
286e1dec74939a10d5af650666b77c13

SHA1
faac999e9798f07da75f1d1a11f0d5090cc1d2d0

SHA256
335aee1ab9beadb7c82a20a1a8e6a639b1dc36dd94195a7242e36079b6142d6b

SHA512
71f5700cce9add3c67044f0942b9a6c064cb09e625fda1f7bd5c765a1ea91f20ffebc5f91874f83edd5a3b5b2ce4e7a49e5d9fd67834b827e6347ac4cba27da7

Download Submit
memory/1108-36-0x00007FFF748C0000-0x00007FFF748DD000-memory.dmp

Filesize
116KB

Download
memory/1108-41-0x00007FFF74630000-0x00007FFF74651000-memory.dmp

Filesize
132KB

Download
memory/1108-40-0x00007FFF5E4F0000-0x00007FFF5F5A0000-memory.dmp

Filesize
16.7MB

Download
memory/1108-42-0x00007FFF73EA0000-0x00007FFF73EB8000-memory.dmp

Filesize
96KB

Download
memory/1108-29-0x00007FFF7E330000-0x00007FFF7E364000-memory.dmp

Filesize
208KB

Download
memory/1108-28-0x00007FF6F5220000-0x00007FF6F5318000-memory.dmp

Filesize
992KB

Download
memory/1108-53-0x00007FFF70100000-0x00007FFF70157000-memory.dmp

Filesize
348KB

Download
memory/1108-35-0x00007FFF748E0000-0x00007FFF748F1000-memory.dmp

Filesize
68KB

Download
memory/1108-34-0x00007FFF74C80000-0x00007FFF74C97000-memory.dmp

Filesize
92KB

Download
memory/1108-39-0x00007FFF74660000-0x00007FFF746A1000-memory.dmp

Filesize
260KB

Download
memory/1108-38-0x00007FFF70200000-0x00007FFF7040B000-memory.dmp

Filesize
2.0MB

Download
memory/1108-33-0x00007FFF78F40000-0x00007FFF78F51000-memory.dmp

Filesize
68KB

Download
memory/1108-32-0x00007FFF79FB0000-0x00007FFF79FC7000-memory.dmp

Filesize
92KB

Download
memory/1108-37-0x00007FFF746B0000-0x00007FFF746C1000-memory.dmp

Filesize
68KB

Download
memory/1108-68-0x00007FFF5E4F0000-0x00007FFF5F5A0000-memory.dmp

Filesize
16.7MB

Download
memory/1108-43-0x00007FFF73E80000-0x00007FFF73E91000-memory.dmp

Filesize
68KB

Download
memory/1108-31-0x00007FFF7A090000-0x00007FFF7A0A8000-memory.dmp

Filesize
96KB

Download
memory/1108-44-0x00007FFF73CC0000-0x00007FFF73CD1000-memory.dmp

Filesize
68KB

Download
memory/1108-30-0x00007FFF740F0000-0x00007FFF743A6000-memory.dmp

Filesize
2.7MB

Download
memory/1108-52-0x00007FFF73AC0000-0x00007FFF73AD1000-memory.dmp

Filesize
68KB

Download
memory/1108-51-0x00007FFF69220000-0x00007FFF6929C000-memory.dmp

Filesize
496KB

Download
memory/1108-50-0x00007FFF6A430000-0x00007FFF6A497000-memory.dmp

Filesize
412KB

Download
memory/1108-49-0x00007FFF701D0000-0x00007FFF70200000-memory.dmp

Filesize
192KB

Download
memory/1108-48-0x00007FFF73C20000-0x00007FFF73C38000-memory.dmp

Filesize
96KB

Download
memory/1108-47-0x00007FFF73C40000-0x00007FFF73C51000-memory.dmp

Filesize
68KB

Download
memory/1108-46-0x00007FFF73C60000-0x00007FFF73C7B000-memory.dmp

Filesize
108KB

Download
memory/1108-45-0x00007FFF73C80000-0x00007FFF73C91000-memory.dmp

Filesize
68KB

Download
memory/3844-54-0x00007FFF62B53000-0x00007FFF62B55000-memory.dmp

Filesize
8KB

Download
memory/3844-18-0x0000025481F30000-0x0000025481F48000-memory.dmp

Filesize
96KB

Download
memory/3844-27-0x000002549D840000-0x000002549DD68000-memory.dmp

Filesize
5.2MB

Download
memory/3844-20-0x000002549C5C0000-0x000002549C782000-memory.dmp

Filesize
1.8MB

Download
memory/3844-19-0x00007FFF62B53000-0x00007FFF62B55000-memory.dmp

Filesize
8KB

Download

Analysis

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