xworm | 9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/07/2026, 05:09

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General

Target
9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe
Size 868KB
Sample260720-ftgrcsh18v
SHA256 9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a
MD5 8175725d61d0c629223f642fd5384d8a
SHA1 1ad6e749bb85df7201dfd2188c8c63b6b2ccaff2
SHA512 24a8d13d7fe6a429068fd45dbc679b2646786d9d6788b4d454c66d49225cb08536c465b8eb6b5373cdce84360715db7410ec99c5e6bf70a5fc1ad7efbc470b62
SSDEEP 24576:eIaxVYebGmtga/CuyGbSvlV4epNDJhzZ5:FaxV/bruagGbA4epNDnV5
TLSH
T12515DFD83A2AEB0ACD524A349A34DEB506B40DACF505BAE39FDC7F5B70AD1506D0CB41
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

31.56.209.126:1996

Mutex

uMh4zbD5EZQrHaFJ

Attributes

Install_directory
%AppData%
install_file
bin.exe

aes.plain

Signatures

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

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral1/memory/2568-9-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm

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
7	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4764 set thread context of 2568	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5616	2568	WerFault.exe	88

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	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe
4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe
Token: SeDebugPrivilege	2568	RegSvcs.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 2000	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	87
PID 4764 wrote to memory of 2568	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	88
PID 4764 wrote to memory of 2568	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	88
PID 4764 wrote to memory of 2568	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	88
PID 4764 wrote to memory of 2568	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	88
PID 4764 wrote to memory of 2568	4764	9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe	88

C:\Users\Admin\AppData\Local\Temp\9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe
"C:\Users\Admin\AppData\Local\Temp\9a84871cc46be89ec120268a71d7471ebd6daabc141dd392415febca15b8200a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2000
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2568
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1660
    3⤵
    - Program crash
    PID:5616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2568 -ip 2568
1⤵
PID:4180

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/2568-9-0x0000000000400000-0x0000000000410000-memory.dmp

Download

memory/2568-11-0x0000000005210000-0x0000000005276000-memory.dmp

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memory/2568-12-0x00000000052E0000-0x00000000052F0000-memory.dmp

Download

memory/4764-0-0x0000000000E20000-0x0000000000F00000-memory.dmp

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memory/4764-1-0x0000000005E10000-0x00000000063B4000-memory.dmp

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memory/4764-2-0x0000000005900000-0x0000000005992000-memory.dmp

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memory/4764-3-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

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memory/4764-4-0x0000000005A90000-0x0000000005A9A000-memory.dmp

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memory/4764-5-0x0000000005B70000-0x0000000005C0C000-memory.dmp

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memory/4764-6-0x0000000005DF0000-0x0000000005E0E000-memory.dmp

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memory/4764-7-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

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memory/4764-8-0x0000000006F80000-0x0000000007022000-memory.dmp

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