discordrat | b20ba750498b5ef700d1f8ab09a845ac13a5c5d087cccca229159e9e2fb2a2a9

Reason

Machine shutdown

General

Target

Nymalith Executor.exe
Size

78KB
MD5

58506364e0907e7bba6991f5f380882d
SHA1

4d06330d5d2ca81caf5d9e43d8e4fdc42d3ff917
SHA256

b20ba750498b5ef700d1f8ab09a845ac13a5c5d087cccca229159e9e2fb2a2a9
SHA512

1316e8d9cd4faaf189cece7a3928004a48c883b2496faafa414de87396abe9943b08c555c9a45cdf0b0603be900cbe10571cff8704edca06442c7fce756d657b
SSDEEP

1536:52WjO8XeEXFh5P7v88wbjNrfxCXhRoKV6+V+1PIC:5Zv5PDwbjNrmAE+lIC

Score

10^/10

discordrat persistence rat rootkit spyware stealer

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTMxNzc2NzQzNjA3Nzg5NTc0Mg.Gtnbr4.V5A_dBIuMh5m0__hZpRApevBacC-3QZ5hm9A-g
server_id
1317767135010750514

Signatures

Discord RAT
A RAT written in C# using Discord as a C2.
stealer rootkit rat persistence discordrat
Discordrat family
discordrat
Downloads MZ/PE file

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	Nymalith Executor.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Legitimate hosting services abused for malware hosting/C2 1 TTPs 13 IoCs

Web Service

T1102

flow	ioc
8	discord.com
9	discord.com
22	discord.com
54	discord.com
55	discord.com
59	raw.githubusercontent.com
61	discord.com
66	discord.com
27	discord.com
28	discord.com
52	raw.githubusercontent.com
53	raw.githubusercontent.com
60	discord.com

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "162"	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\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808"	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
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	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\ColorizationColor = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3216	Nymalith Executor.exe
Token: SeShutdownPrivilege	748	shutdown.exe
Token: SeRemoteShutdownPrivilege	748	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4552	LogonUI.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3216 wrote to memory of 748	3216	Nymalith Executor.exe	102
PID 3216 wrote to memory of 748	3216	Nymalith Executor.exe	102

C:\Users\Admin\AppData\Local\Temp\Nymalith Executor.exe
"C:\Users\Admin\AppData\Local\Temp\Nymalith Executor.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3216
- C:\Windows\System32\shutdown.exe
  "C:\Windows\System32\shutdown.exe" /s /t 0
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:748

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa38c7055 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3216-0-0x00007FFD9DC43000-0x00007FFD9DC45000-memory.dmp

Filesize
8KB

Download
memory/3216-1-0x0000014F90CB0000-0x0000014F90CC8000-memory.dmp

Filesize
96KB

Download
memory/3216-2-0x0000014FAB2C0000-0x0000014FAB482000-memory.dmp

Filesize
1.8MB

Download
memory/3216-3-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

Filesize
10.8MB

Download
memory/3216-4-0x0000014FABC00000-0x0000014FAC128000-memory.dmp

Filesize
5.2MB

Download
memory/3216-5-0x00007FFD9DC43000-0x00007FFD9DC45000-memory.dmp

Filesize
8KB

Download
memory/3216-6-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

Filesize
10.8MB

Download
memory/3216-7-0x0000014FAB6D0000-0x0000014FAB99A000-memory.dmp

Filesize
2.8MB

Download
memory/3216-8-0x0000014FAB230000-0x0000014FAB2A6000-memory.dmp

Filesize
472KB

Download
memory/3216-9-0x0000014F929C0000-0x0000014F929D2000-memory.dmp

Filesize
72KB

Download
memory/3216-10-0x0000014F92A00000-0x0000014F92A1E000-memory.dmp

Filesize
120KB

Download
memory/3216-11-0x00007FFD9DC40000-0x00007FFD9E701000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

Errors