xworm | 893847d848f3a7dad901866ad350530f91100d52c3db60fbefec8a9f33f1d472

Analysis

max time kernel
94s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
behavioral3/memory/3420-1-0x00000000001D0000-0x00000000001DE000-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
19	4.tcp.eu.ngrok.io

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4268	timeout.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3420	test.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 3776	3420	test.exe	91
PID 3420 wrote to memory of 3776	3420	test.exe	91
PID 3776 wrote to memory of 4268	3776	cmd.exe	93
PID 3776 wrote to memory of 4268	3776	cmd.exe	93

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:3420
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp1BC0.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3776
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:4268

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\tmp1BC0.tmp.bat

Filesize
156B

MD5
4605cd4d14d1796c48e7d234d549f52f

SHA1
0d824137bc4bb922b76b20f63f19dadec31d4409

SHA256
e7b218753dbfeb6de4120837756d06bf490758fe6c2af5c7138e587767870adc

SHA512
ab3a6471f1840142f79861689ef8af4c600a6cef0f14e53e320c927e8056c683bb35f7661cf192e31d23ce5835c2d866ae0cf97ffa6152a804508fef2f529e9d

Download Submit
memory/3420-1-0x00000000001D0000-0x00000000001DE000-memory.dmp

Filesize
56KB

Download
memory/3420-0-0x00007FFBD0EF3000-0x00007FFBD0EF5000-memory.dmp

Filesize
8KB

Download
memory/3420-2-0x00007FFBD0EF0000-0x00007FFBD19B1000-memory.dmp

Filesize
10.8MB

Download
memory/3420-3-0x00007FFBD0EF0000-0x00007FFBD19B1000-memory.dmp

Filesize
10.8MB

Download
memory/3420-8-0x00007FFBD0EF0000-0x00007FFBD19B1000-memory.dmp

Filesize
10.8MB

Download