xworm | 413f81b625d636a96eeb41de781c777c5294e7f8f5c714a1921d005e7f46800b

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/03/2025, 17:21

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General

Target

2ZRahoFPSz5NUBY.exe
Size

2.9MB
MD5

551bdc94c503bfeffe46d96eb21484f8
SHA1

b7313d730bb8f08774977229229d167dd272ce82
SHA256

413f81b625d636a96eeb41de781c777c5294e7f8f5c714a1921d005e7f46800b
SHA512

32d07f233f3b66a8863747b1239648e0154f17bbc9f5453a7dbbcbcb12263da31d8bed2e1194a634c8c2174635223e1abfe50bbd873ee3f60f37f77e8fb3ea59
SSDEEP

49152:ULkjyaZH575syNqACjngmISzn5TfBDgTZUJ4crvFnXI6Txjj5eHKf:ULkjyaZH5iyNqlTvfRvhI6Fj5IK

Score

10^/10

xworm discovery persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:12830

technical-tract.gl.at.ply.gg:12830

Attributes

Install_directory
%LocalAppData%
install_file
PyslionV1.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/5100-30781-0x0000000000110000-0x0000000000168000-memory.dmp	family_xworm

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

Executes dropped EXE 1 IoCs

pid	Process
5100	2ZRahoFPSz5NUBY.exe

Loads dropped DLL 1 IoCs

pid	Process
1320	2ZRahoFPSz5NUBY.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\666999666 = "C:\\Users\\Public\\Documents\\2ZRahoFPSz5NUBY.exe"	2ZRahoFPSz5NUBY.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
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1320 set thread context of 5100	1320	2ZRahoFPSz5NUBY.exe	31

System Location Discovery: System Language Discovery 1 TTPs 2 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	2ZRahoFPSz5NUBY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2ZRahoFPSz5NUBY.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe
1320	2ZRahoFPSz5NUBY.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	2ZRahoFPSz5NUBY.exe
Token: SeDebugPrivilege	5100	2ZRahoFPSz5NUBY.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31
PID 1320 wrote to memory of 5100	1320	2ZRahoFPSz5NUBY.exe	31

C:\Users\Admin\AppData\Local\Temp\2ZRahoFPSz5NUBY.exe
"C:\Users\Admin\AppData\Local\Temp\2ZRahoFPSz5NUBY.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Users\Admin\AppData\Local\Temp\2ZRahoFPSz5NUBY.exe
  "C:\Users\Admin\AppData\Local\Temp\2ZRahoFPSz5NUBY.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\2ZRahoFPSz5NUBY.exe

Filesize
2.9MB

MD5
551bdc94c503bfeffe46d96eb21484f8

SHA1
b7313d730bb8f08774977229229d167dd272ce82

SHA256
413f81b625d636a96eeb41de781c777c5294e7f8f5c714a1921d005e7f46800b

SHA512
32d07f233f3b66a8863747b1239648e0154f17bbc9f5453a7dbbcbcb12263da31d8bed2e1194a634c8c2174635223e1abfe50bbd873ee3f60f37f77e8fb3ea59

Download Submit
memory/1320-33-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-49-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-2-0x0000000005290000-0x0000000005442000-memory.dmp

Filesize
1.7MB

Download
memory/1320-7-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-27-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-35-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-43-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-51-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-53-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-65-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-63-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-61-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-59-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-25-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-55-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-29-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-47-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-45-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-41-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-39-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-37-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-0-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

Filesize
4KB

Download
memory/1320-3-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/1320-31-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-57-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-23-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-21-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-19-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-17-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-15-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-13-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-11-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-9-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-5-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-4-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-67-0x0000000005290000-0x000000000543D000-memory.dmp

Filesize
1.7MB

Download
memory/1320-30758-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

Filesize
4KB

Download
memory/1320-30759-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/1320-30760-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/1320-1-0x00000000003F0000-0x00000000006E2000-memory.dmp

Filesize
2.9MB

Download
memory/1320-30783-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/5100-30781-0x0000000000110000-0x0000000000168000-memory.dmp

Filesize
352KB

Download
memory/5100-30782-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/5100-30784-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download
memory/5100-30785-0x0000000073D00000-0x00000000743EE000-memory.dmp

Filesize
6.9MB

Download