xworm | 3faea98d2cb190e31c5192537aa1819a783b0338ce3701aebd81c3f01cc7ee0e

Analysis

max time kernel
43s
max time network
48s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/01/2025, 00:22

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General

Target

NURSULTAN ALPHA.exe
Size

57KB
MD5

64337e41e0d008c8fc8bd34ccac0498a
SHA1

e3581de7afd0f519a2093790bf539ace22a8175a
SHA256

f57436d88d68b9b039ece54db9ed69ba31b67c319bb80704a5add41bd647e345
SHA512

b721cd5c6d762aa3b81b4ebcda08bdc8ab5d67b89ec43a448f8f8c4254971349d87317692771e54060e6788274a2b385576d5ea0549ef4eb0696a1f667e27b61
SSDEEP

768:VVeyCaU93AiS/BWeUMzKDsbJrl5101UDDL5KAjyFOz2hgElVnA1K/:zeHN9iOMzRbJrl510WwdFOqPlgK/

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

uk-satisfy.gl.at.ply.gg:19829

Attributes

Install_directory
%AppData%
install_file
dicrord.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/memory/996-1-0x0000000000BE0000-0x0000000000BF4000-memory.dmp	family_xworm
behavioral1/files/0x0007000000023caa-8.dat	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	NURSULTAN ALPHA.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 1 IoCs

pid	Process
1788	dicrord.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dicrord = "C:\\Users\\Admin\\AppData\\Roaming\\dicrord.exe"	NURSULTAN ALPHA.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
13	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
1540	schtasks.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	NURSULTAN ALPHA.exe
Token: SeDebugPrivilege	996	NURSULTAN ALPHA.exe
Token: SeDebugPrivilege	1788	dicrord.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 1540	996	NURSULTAN ALPHA.exe	84
PID 996 wrote to memory of 1540	996	NURSULTAN ALPHA.exe	84

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\NURSULTAN ALPHA.exe
"C:\Users\Admin\AppData\Local\Temp\NURSULTAN ALPHA.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "dicrord" /tr "C:\Users\Admin\AppData\Roaming\dicrord.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1540

C:\Users\Admin\AppData\Roaming\dicrord.exe
C:\Users\Admin\AppData\Roaming\dicrord.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\dicrord.exe

Filesize
57KB

MD5
64337e41e0d008c8fc8bd34ccac0498a

SHA1
e3581de7afd0f519a2093790bf539ace22a8175a

SHA256
f57436d88d68b9b039ece54db9ed69ba31b67c319bb80704a5add41bd647e345

SHA512
b721cd5c6d762aa3b81b4ebcda08bdc8ab5d67b89ec43a448f8f8c4254971349d87317692771e54060e6788274a2b385576d5ea0549ef4eb0696a1f667e27b61

Download Submit
memory/996-0-0x00007FFFAEA13000-0x00007FFFAEA15000-memory.dmp

Filesize
8KB

Download
memory/996-1-0x0000000000BE0000-0x0000000000BF4000-memory.dmp

Filesize
80KB

Download
memory/996-2-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/996-7-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/1788-10-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download
memory/1788-12-0x00007FFFAEA10000-0x00007FFFAF4D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads