xworm | 56b50264096dd509eefe770f619629b7ddfb45f8040c0e311670eba3235e46bf

Analysis

max time kernel
108s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
03/03/2025, 08:06

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General

Target

Compiler.exe
Size

84KB
MD5

106079faae035b4188595aa4aaa8b4d5
SHA1

e0b5ac10283087a478643caf09fc8d536f9ef0c0
SHA256

56b50264096dd509eefe770f619629b7ddfb45f8040c0e311670eba3235e46bf
SHA512

134a392c301a1f67130c39a74a2aadaaca505d6d2a984d56cf8cd64712add7b2877a54a379c195be08b5c5f4c94562a724519e5744cedd80ef3bc4db09a42694
SSDEEP

1536:jM3USZ+SBzXAsim+fLV7H2XeTlRsc2O1pU7RTafZycZO1783G6+euQ/Z:jiUyzXnoB7HueTlec1U7wfZyckOt+yZ

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

197.48.109.181:8080

Attributes

Install_directory
%AppData%
install_file
Disk Driver.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000022b21-6.dat	family_xworm
behavioral2/memory/4308-15-0x0000000000B70000-0x0000000000B88000-memory.dmp	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-1-5-21-1161330783-2912525651-1278508834-1000\Control Panel\International\Geo\Nation	Compiler.exe

Executes dropped EXE 1 IoCs

pid	Process
4308	Compiler.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
27	ip-api.com

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4308	Compiler.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3856 wrote to memory of 4308	3856	Compiler.exe	86
PID 3856 wrote to memory of 4308	3856	Compiler.exe	86

C:\Users\Admin\AppData\Local\Temp\Compiler.exe
"C:\Users\Admin\AppData\Local\Temp\Compiler.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Users\Admin\AppData\Roaming\Compiler.exe
  "C:\Users\Admin\AppData\Roaming\Compiler.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Compiler.exe.log

Filesize
654B

MD5
2ff39f6c7249774be85fd60a8f9a245e

SHA1
684ff36b31aedc1e587c8496c02722c6698c1c4e

SHA256
e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

SHA512
1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

Filesize
71KB

MD5
6090b1b00079847b7ea648925901a706

SHA1
f56b83da62fd8717acb74c133f93ed3f997d75cc

SHA256
cd615e3c3897240f2fd4cff69a135627adff8cd4d20d135470c095ecd78921a4

SHA512
307d90ded05df20f3aa310cf1c911b5b6cd8000c26e7d37010ff3e91092b1e21451baac4fa0469074c0a481d714fd96b8c142aa248f9f63d6bc2621abad2b77d

Download Submit
memory/3856-0-0x00007FFBD7893000-0x00007FFBD7895000-memory.dmp

Filesize
8KB

Download
memory/3856-1-0x00000000002A0000-0x00000000002BC000-memory.dmp

Filesize
112KB

Download
memory/4308-15-0x0000000000B70000-0x0000000000B88000-memory.dmp

Filesize
96KB

Download
memory/4308-16-0x00007FFBD7890000-0x00007FFBD8351000-memory.dmp

Filesize
10.8MB

Download
memory/4308-17-0x00007FFBD7890000-0x00007FFBD8351000-memory.dmp

Filesize
10.8MB

Download
memory/4308-18-0x00007FFBD7890000-0x00007FFBD8351000-memory.dmp

Filesize
10.8MB

Download