xworm | 75ec0944508969faba292ea85974baa5880f95100280851592615d1befd24513

Analysis

max time kernel
142s
max time network
146s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/03/2025, 03:13

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General

Target

Fyz.exe
Size

83KB
MD5

f1f85fdacfd295faf64fb7a23973cd49
SHA1

ebdb5b3687670aa3f64fab82558f62b4190daf4f
SHA256

75ec0944508969faba292ea85974baa5880f95100280851592615d1befd24513
SHA512

3fdf6627a2758a77e6dd2f1164764491af4402a0463edf60dd7c6d436fc0484498226e2408770fbcf44fe72b1b1c0685957ab56a3083729bf5a5a9d1acb2deef
SSDEEP

1536:VgXeoVUIzfmssAhUykfv6QZslxxctjAHmSu0ADfI/e5VihgvsMnkJ:VgXFVUIzfmGULfv6ucx2E0TfoTQkJ

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

172.16.150.134:5001

:5001

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000122ea-5.dat	family_xworm
behavioral1/memory/1696-8-0x00000000011E0000-0x00000000011F6000-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
1696	Fyz.exe

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	1696	Fyz.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 1696	2612	Fyz.exe	31
PID 2612 wrote to memory of 1696	2612	Fyz.exe	31
PID 2612 wrote to memory of 1696	2612	Fyz.exe	31

C:\Users\Admin\AppData\Local\Temp\Fyz.exe
"C:\Users\Admin\AppData\Local\Temp\Fyz.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Roaming\Fyz.exe
  "C:\Users\Admin\AppData\Roaming\Fyz.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Fyz.exe

Filesize
65KB

MD5
27a8edebacfd79bedc942888d9da2598

SHA1
0d7237622f3ee9f46d1c3ac468eef22257c88ca3

SHA256
47cb072c103a1c0bfa3ed27dc29cc984c18abc7336af09ad08ea5b87583dca75

SHA512
52c54c7eac0eb78b0ebdb74c8cc1fdc98f31198b5b51fb2d3d2c22dda79e7904b42cb3354c48a75ae5745a638d95539df7f96b4a8540ebef773761468c8ebcb6

Download Submit
memory/1696-8-0x00000000011E0000-0x00000000011F6000-memory.dmp

Filesize
88KB

Download
memory/1696-10-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/1696-11-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/1696-12-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/1696-13-0x000007FEF53C0000-0x000007FEF5DAC000-memory.dmp

Filesize
9.9MB

Download
memory/2612-0-0x000007FEF53C3000-0x000007FEF53C4000-memory.dmp

Filesize
4KB

Download
memory/2612-1-0x00000000013B0000-0x00000000013CC000-memory.dmp

Filesize
112KB

Download