discordrat | fcc8a339b67be5048d0cd6d6c96a501dc828295cb42a7a7dedcd5ecc46af3aa8

General

Target

Client-built.exe
Size

78KB
MD5

2e9b01395d9003c387488b3c40997af6
SHA1

bd92df65650a9d026f2f285d2a3e1c6207bb7841
SHA256

fcc8a339b67be5048d0cd6d6c96a501dc828295cb42a7a7dedcd5ecc46af3aa8
SHA512

c61d57ffed70e3f9645d365222bd44bcb0f711e842f9eb5ec9a75e0b6db246baaa88b3fc474a078c5bc326ad07966371dbd0707e598ba2ac4959b8a36713872b
SSDEEP

1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+czPIC:5Zv5PDwbjNrmAE+crIC

Score

10^/10

discordrat persistence rat rootkit stealer

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTE5MTE4NTUyMTUxMTI1NjExNA.GqKuPf.gM4mTGhIlNa_ecpflvBk1TeLJOKMxL4Ve4BzP8
server_id
1243579352478777454

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

Processes:

Client-built.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	Client-built.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 9 IoCs

Web Service
T1102

Processes:

flow ioc

58 discord.com
83 discord.com
57 discord.com
10 discord.com
32 discord.com
56 discord.com
81 discord.com
82 discord.com
9 discord.com
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
58	discord.com
83	discord.com
57	discord.com
10	discord.com
32	discord.com
56	discord.com
81	discord.com
82	discord.com
9	discord.com

Modifies data under HKEY_USERS 15 IoCs

Processes:

LogonUI.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "233"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Client-built.exeshutdown.exe

description	pid	process
Token: SeDebugPrivilege	548	Client-built.exe
Token: SeShutdownPrivilege	1596	shutdown.exe
Token: SeRemoteShutdownPrivilege	1596	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

LogonUI.exe

pid process

4648 LogonUI.exe

pid	process
4648	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

Client-built.exe

description	pid	process	target process
PID 548 wrote to memory of 1596	548	Client-built.exe	shutdown.exe
PID 548 wrote to memory of 1596	548	Client-built.exe	shutdown.exe

C:\Users\Admin\AppData\Local\Temp\Client-built.exe
"C:\Users\Admin\AppData\Local\Temp\Client-built.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:548

C:\Windows\System32\shutdown.exe
"C:\Windows\System32\shutdown.exe" /s /t 0
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1596

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3924855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Resource Development

Reconnaissance

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Downloads

memory/548-1-0x000001B8FA740000-0x000001B8FA758000-memory.dmp

Filesize
96KB

Download
memory/548-0-0x00007FFECB833000-0x00007FFECB835000-memory.dmp

Filesize
8KB

Download
memory/548-2-0x000001B8FCE10000-0x000001B8FCFD2000-memory.dmp

Filesize
1.8MB

Download
memory/548-3-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/548-4-0x000001B8FD650000-0x000001B8FDB78000-memory.dmp

Filesize
5.2MB

Download
memory/548-5-0x00007FFECB833000-0x00007FFECB835000-memory.dmp

Filesize
8KB

Download
memory/548-6-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download
memory/548-7-0x000001B8FD220000-0x000001B8FD3C9000-memory.dmp

Filesize
1.7MB

Download
memory/548-10-0x00007FFECB830000-0x00007FFECC2F1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads