discordrat | 4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-07-2024 19:59

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General

Target

4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe
Size

163KB
MD5

c9ecd9d8da218f635e1e3eb17b36c5ee
SHA1

6b14cf165fed4c9162a4eafa318b4fb0c36179ae
SHA256

4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac
SHA512

3d08906cb93b6fde2ba00b857caba32d5dd6d787fbc9356a310b8bc8688620a0c7f2a39114dbd705f736d5721f6ca613d859ccc3b752f780398146801777be5e
SSDEEP

3072:Ie36qVTppS1GzxfExMNtuHBZYyHm836yDlWH7wUoh4V5RuEm9:I+NVTpUkzpEYtuA8qClWUGD

Score

10^/10

discordrat xworm execution persistence rat rootkit stealer trojan

Malware Config

Extracted

Family

discordrat

Attributes

discord_token
MTI0MzQwMTQ3NzkxNDA5OTc0Mg.GWaL1X.yE8UNSG-cUTQGBUsIKtYnV7nQvqnPmErG-61w8
server_id
1265998097473994865

Extracted

Family

xworm

serveo.net:8545

Attributes

Install_directory
%AppData%
install_file
svbhost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x002e000000016de2-12.dat	family_xworm
behavioral1/memory/2116-14-0x0000000000D70000-0x0000000000D8A000-memory.dmp	family_xworm

Discord RAT
A RAT written in C# using Discord as a C2.
stealer rootkit rat persistence discordrat
Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1228	powershell.exe
2876	powershell.exe
2848	powershell.exe
1184	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svbhost.lnk	svbhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svbhost.lnk	svbhost.exe

Executes dropped EXE 4 IoCs

pid	Process
2772	LocalSystem.exe
2116	svbhost.exe
1280	svbhost.exe
284	svbhost.exe

Loads dropped DLL 6 IoCs

pid	Process
2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe
2584	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\svbhost = "C:\\Users\\Admin\\AppData\\Roaming\\svbhost.exe"	svbhost.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	ip-api.com

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2516	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2848	powershell.exe
1184	powershell.exe
1228	powershell.exe
2876	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2116	svbhost.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	1184	powershell.exe
Token: SeDebugPrivilege	1228	powershell.exe
Token: SeDebugPrivilege	2876	powershell.exe
Token: SeDebugPrivilege	2116	svbhost.exe
Token: SeDebugPrivilege	1280	svbhost.exe
Token: SeDebugPrivilege	284	svbhost.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2772	2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe	30
PID 2680 wrote to memory of 2772	2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe	30
PID 2680 wrote to memory of 2772	2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe	30
PID 2680 wrote to memory of 2116	2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe	31
PID 2680 wrote to memory of 2116	2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe	31
PID 2680 wrote to memory of 2116	2680	4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe	31
PID 2772 wrote to memory of 2584	2772	LocalSystem.exe	32
PID 2772 wrote to memory of 2584	2772	LocalSystem.exe	32
PID 2772 wrote to memory of 2584	2772	LocalSystem.exe	32
PID 2116 wrote to memory of 2848	2116	svbhost.exe	34
PID 2116 wrote to memory of 2848	2116	svbhost.exe	34
PID 2116 wrote to memory of 2848	2116	svbhost.exe	34
PID 2116 wrote to memory of 1184	2116	svbhost.exe	36
PID 2116 wrote to memory of 1184	2116	svbhost.exe	36
PID 2116 wrote to memory of 1184	2116	svbhost.exe	36
PID 2116 wrote to memory of 1228	2116	svbhost.exe	38
PID 2116 wrote to memory of 1228	2116	svbhost.exe	38
PID 2116 wrote to memory of 1228	2116	svbhost.exe	38
PID 2116 wrote to memory of 2876	2116	svbhost.exe	40
PID 2116 wrote to memory of 2876	2116	svbhost.exe	40
PID 2116 wrote to memory of 2876	2116	svbhost.exe	40
PID 2116 wrote to memory of 2516	2116	svbhost.exe	42
PID 2116 wrote to memory of 2516	2116	svbhost.exe	42
PID 2116 wrote to memory of 2516	2116	svbhost.exe	42
PID 1096 wrote to memory of 1280	1096	taskeng.exe	45
PID 1096 wrote to memory of 1280	1096	taskeng.exe	45
PID 1096 wrote to memory of 1280	1096	taskeng.exe	45
PID 1096 wrote to memory of 284	1096	taskeng.exe	46
PID 1096 wrote to memory of 284	1096	taskeng.exe	46
PID 1096 wrote to memory of 284	1096	taskeng.exe	46

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe
"C:\Users\Admin\AppData\Local\Temp\4c411c00b0aba3f592a7528c2b2fd66198b0a70ae32a253a7d6d490d68e7f6ac.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Roaming\LocalSystem.exe
  "C:\Users\Admin\AppData\Roaming\LocalSystem.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2772
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2772 -s 596
    3⤵
    - Loads dropped DLL
    PID:2584
- C:\Users\Admin\AppData\Roaming\svbhost.exe
  "C:\Users\Admin\AppData\Roaming\svbhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svbhost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2848
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svbhost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1184
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\svbhost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1228
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svbhost.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2876
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svbhost" /tr "C:\Users\Admin\AppData\Roaming\svbhost.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2516

C:\Windows\system32\taskeng.exe
taskeng.exe {0E005E90-2DA7-45C1-BA8F-6A346E009BBB} S-1-5-21-1506706701-1246725540-2219210854-1000:MUYDDIIS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Roaming\svbhost.exe
  C:\Users\Admin\AppData\Roaming\svbhost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1280
- C:\Users\Admin\AppData\Roaming\svbhost.exe
  C:\Users\Admin\AppData\Roaming\svbhost.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
6b5c85d9132a0bcf21bf077559f4f371

SHA1
173511c732661a6811d92ca2bbcebcccff028866

SHA256
b58b33fa282504793c956e630eddfb6b24d12c35541babcfc0552f98d8bf0ee9

SHA512
69844bf3f1d20e51396257943bba1d57efd1a62f5432dcbb4049cd79074b9911bb4c64c4acf0b72dce753fed5655d2c170c3e0136dc878ee30b009f40223a5c2

Download Submit
C:\Users\Admin\AppData\Roaming\svbhost.exe

Filesize
75KB

MD5
7b9e7b25acb76ccdd31184a35521ca30

SHA1
4e4201a3de53645e8c2a5d563a9745a48e08e662

SHA256
4ac2e41ebb4502f4196cf5fe03a3c0189f438dbc9088c665078895853831a709

SHA512
26c05d17e2b604dbcc438d9ce013aec330707c7fa55f1b7ac545991d43dec8d28efe43b5332703b36e2750b9e52075cf8577af2c09aec89511f643a880486361

Download Submit
\Users\Admin\AppData\Roaming\LocalSystem.exe

Filesize
78KB

MD5
b6765909918ec4af8352f71968a00b18

SHA1
2f522c3d40a8b1c92acc6ec7925a899edc033ec3

SHA256
2fe459a85bdb8417d41200d611c4e85c838dd8215495d21815da2c8d53bf30a4

SHA512
487133b0e085d3d43b4fdda17ebd4a7a58ebf4dd3c4eb0a90b6e0d274cfc6d50357b9a865727c9d68bae9eb27212a87ffa87a3834b76b6594eb558fc720501f4

Download Submit
memory/1184-33-0x0000000001E00000-0x0000000001E08000-memory.dmp

Filesize
32KB

Download
memory/1184-32-0x000000001B680000-0x000000001B962000-memory.dmp

Filesize
2.9MB

Download
memory/2116-14-0x0000000000D70000-0x0000000000D8A000-memory.dmp

Filesize
104KB

Download
memory/2680-1-0x0000000001010000-0x0000000001040000-memory.dmp

Filesize
192KB

Download
memory/2680-0-0x000007FEF5543000-0x000007FEF5544000-memory.dmp

Filesize
4KB

Download
memory/2772-9-0x000000013F730000-0x000000013F748000-memory.dmp

Filesize
96KB

Download
memory/2772-15-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp

Filesize
9.9MB

Download
memory/2772-46-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp

Filesize
9.9MB

Download
memory/2848-26-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download
memory/2848-25-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download