xworm | 893847d848f3a7dad901866ad350530f91100d52c3db60fbefec8a9f33f1d472

Analysis

max time kernel
91s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
25-09-2024 06:31

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General

Target

test.exe
Size

32KB
MD5

9ef813f8d17e2b07e3e22ca9136cfde3
SHA1

5b75837d1ec6b17af46ea657431424e876977b0b
SHA256

893847d848f3a7dad901866ad350530f91100d52c3db60fbefec8a9f33f1d472
SHA512

8862cd1cb967ccb66106f031ef37fc6dbc4a240101aa3782b66b5f5a0810e78dfc47eab8c5ce0c26e7acc637ecdf391b4f0ea6d4ec99411e4e5bf270aad083b6
SSDEEP

768:mRPD9OQhx/Bg3Tw4xKdVFE9jAVLFOjh1b2:md9OW/g3U4xcFE9jAVLFOjXK

Score

10^/10

xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

4.tcp.eu.ngrok.io:19050

Mutex

FT7jVsIDwcsDC2pB

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral4/memory/2436-1-0x00000000004A0000-0x00000000004AE000-memory.dmp	family_xworm

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
1	4.tcp.eu.ngrok.io

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2080	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	test.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 3300	2436	test.exe	80
PID 2436 wrote to memory of 3300	2436	test.exe	80
PID 3300 wrote to memory of 2080	3300	cmd.exe	82
PID 3300 wrote to memory of 2080	3300	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\test.exe
"C:\Users\Admin\AppData\Local\Temp\test.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp755A.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3300
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:2080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp755A.tmp.bat

Filesize
156B

MD5
9c5df57fde1edf692ce10e8cd2914df6

SHA1
7fef1cb2cfafc5e0368c31e6a8bc01de114e2430

SHA256
cd2f4a0aa9923b3cdac21a248f5d974cabae32714d580f3de57363869dc16e9c

SHA512
46a5e433b0f9add610b5676bcbb1990fb83bb05db3f4cd1d8c3db16674ef4d8d8da7bb57ba06d40ca0ed18a0c386828549d77c4ecef231ada729a3eaf01c20a5

Download Submit
memory/2436-0-0x00007FF823CB3000-0x00007FF823CB5000-memory.dmp

Filesize
8KB

Download
memory/2436-1-0x00000000004A0000-0x00000000004AE000-memory.dmp

Filesize
56KB

Download
memory/2436-2-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

Filesize
10.8MB

Download
memory/2436-3-0x00007FF823CB3000-0x00007FF823CB5000-memory.dmp

Filesize
8KB

Download
memory/2436-4-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

Filesize
10.8MB

Download
memory/2436-9-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

Filesize
10.8MB

Download