xworm | a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/01/2025, 04:35 UTC

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General

Target

a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe
Size

6.4MB
MD5

fd9e0297a3481184eadd1da037253980
SHA1

23fc94ab1e1df30b6b9d988461f8a9d85e1ae4ca
SHA256

a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff
SHA512

e44545b127a0ddadec79fbcf9633fb56782dc80614b899d6db744852038dcb1aed1d47cb017c55d47ce62980e366f4e288d9bf7b52669fe08638f886f3da1904
SSDEEP

196608:AB1D4Z5XqQSmFQB2QGYCa5ZOBhe2wuF0:aUXImFI4YCakB05r

Score

10^/10

xworm persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.0

147.185.221.25:6864

Mutex

aaF53Xl91CZagti1

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

1
CijgcdCiENxNSudZm6PODQ==

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023c82-7.dat	family_xworm
behavioral2/memory/4372-18-0x0000000000450000-0x000000000045E000-memory.dmp	family_xworm

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

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/files/0x0007000000023c83-21.dat	net_reactor
behavioral2/memory/4236-31-0x000002304C590000-0x000002304CCBA000-memory.dmp	net_reactor

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm Info.lnk	XWorm Info.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm Info.lnk	XWorm Info.exe

Executes dropped EXE 2 IoCs

pid	Process
4372	XWorm Info.exe
4236	XWorm V3.0.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XWorm Info = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XWorm Info.exe"	a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XWorm Info = "C:\\Users\\Admin\\AppData\\Roaming\\XWorm Info.exe"	XWorm Info.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
14	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 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4372	XWorm Info.exe
Token: SeDebugPrivilege	4372	XWorm Info.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 68 wrote to memory of 4372	68	a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe	83
PID 68 wrote to memory of 4372	68	a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe	83
PID 68 wrote to memory of 4236	68	a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe	84
PID 68 wrote to memory of 4236	68	a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe	84

C:\Users\Admin\AppData\Local\Temp\a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe
"C:\Users\Admin\AppData\Local\Temp\a36885c797f9c9c2970c185c103953c6c1f86a5d49606bf675fdf01c2d32d9ff.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:68
- C:\Users\Admin\AppData\Local\Temp\XWorm Info.exe
  "C:\Users\Admin\AppData\Local\Temp\XWorm Info.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:4372
- C:\Users\Admin\AppData\Local\Temp\XWorm V3.0.exe
  "C:\Users\Admin\AppData\Local\Temp\XWorm V3.0.exe"
  2⤵
  - Executes dropped EXE
  PID:4236

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

172.210.232.199.in-addr.arpa

Remote address:

8.8.8.8:53

Request

172.210.232.199.in-addr.arpa

IN PTR

Response
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

136.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

136.32.126.40.in-addr.arpa

IN PTR

Response
DNS

167.173.78.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

167.173.78.104.in-addr.arpa

IN PTR

Response

167.173.78.104.in-addr.arpa

IN PTR

a104-78-173-167deploystaticakamaitechnologiescom
DNS

ip-api.com

XWorm Info.exe

Remote address:

8.8.8.8:53

Request

ip-api.com

IN A

Response

ip-api.com

IN A

208.95.112.1
GET

http://ip-api.com/line/?fields=hosting

XWorm Info.exe

Remote address:

208.95.112.1:80

Request

GET /line/?fields=hosting HTTP/1.1
Host: ip-api.com
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Mon, 20 Jan 2025 04:36:35 GMT
Content-Type: text/plain; charset=utf-8
Content-Length: 6
Access-Control-Allow-Origin: *
X-Ttl: 37
X-Rl: 43
DNS

1.112.95.208.in-addr.arpa

Remote address:

8.8.8.8:53

Request

1.112.95.208.in-addr.arpa

IN PTR

Response

1.112.95.208.in-addr.arpa

IN PTR

ip-apicom
DNS

149.220.183.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

149.220.183.52.in-addr.arpa

IN PTR

Response
DNS

212.20.149.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

212.20.149.52.in-addr.arpa

IN PTR

Response
DNS

198.187.3.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

198.187.3.20.in-addr.arpa

IN PTR

Response
DNS

97.17.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

97.17.167.52.in-addr.arpa

IN PTR

Response
DNS

134.130.81.91.in-addr.arpa

Remote address:

8.8.8.8:53

Request

134.130.81.91.in-addr.arpa

IN PTR

Response
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

88.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

88.210.23.2.in-addr.arpa

IN PTR

Response

88.210.23.2.in-addr.arpa

IN PTR

a2-23-210-88deploystaticakamaitechnologiescom
DNS

19.229.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

19.229.111.52.in-addr.arpa

IN PTR

Response

208.95.112.1:80

http://ip-api.com/line/?fields=hosting

http

XWorm Info.exe

310 B
347 B
5
4

HTTP Request

GET http://ip-api.com/line/?fields=hosting

HTTP Response

200
147.185.221.25:6864

XWorm Info.exe

260 B
5
147.185.221.25:6864

XWorm Info.exe

260 B
5
147.185.221.25:6864

XWorm Info.exe

260 B
5
147.185.221.25:6864

XWorm Info.exe

260 B
5
147.185.221.25:6864

XWorm Info.exe

260 B
5

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

172.210.232.199.in-addr.arpa

dns

74 B
128 B
1
1

DNS Request

172.210.232.199.in-addr.arpa
8.8.8.8:53

196.249.167.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

136.32.126.40.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

136.32.126.40.in-addr.arpa
8.8.8.8:53

167.173.78.104.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

167.173.78.104.in-addr.arpa
8.8.8.8:53

ip-api.com

dns

XWorm Info.exe

56 B
72 B
1
1

DNS Request

ip-api.com

DNS Response

208.95.112.1
8.8.8.8:53

1.112.95.208.in-addr.arpa

dns

71 B
95 B
1
1

DNS Request

1.112.95.208.in-addr.arpa
8.8.8.8:53

149.220.183.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

149.220.183.52.in-addr.arpa
8.8.8.8:53

212.20.149.52.in-addr.arpa

dns

72 B
146 B
1
1

DNS Request

212.20.149.52.in-addr.arpa
8.8.8.8:53

198.187.3.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

198.187.3.20.in-addr.arpa
8.8.8.8:53

97.17.167.52.in-addr.arpa

dns

71 B
145 B
1
1

DNS Request

97.17.167.52.in-addr.arpa
8.8.8.8:53

134.130.81.91.in-addr.arpa

dns

72 B
147 B
1
1

DNS Request

134.130.81.91.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

83.210.23.2.in-addr.arpa
8.8.8.8:53

88.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

88.210.23.2.in-addr.arpa
8.8.8.8:53

19.229.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

19.229.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Temp\XWorm Info.exe

Filesize
34KB

MD5
1e628185b7962dae0db3031acaa8ca9a

SHA1
d50590ac9fd7876ba5b3a551a7c2ca931a30a008

SHA256
8a0e03bade1b0cd0fcf9771db9ec4e1af3be04a0516f8b59ef196c7ebdbbe3ee

SHA512
faa645f3ed6d6c0dbfd7b688007d289a58ae334e41cda9883cc64a2f682a2172c5da706d1ebb0c1f21ea642876c7fb2fd0dd7d07e673c93ede3e43c31c58181e

Download Submit
C:\Users\Admin\AppData\Local\Temp\XWorm V3.0.exe

Filesize
7.1MB

MD5
71b0bb52ae4137c3e40dc802711e2acc

SHA1
e154869a5725806c2b12866479be8cf326d52116

SHA256
d1b0cb76d6ff1e54e5669cc3ba76ba6224be19e721cc61a9e223a596a9bb332f

SHA512
eea4513a347d9b2a5ee700388c34d9677869702384128b57e3299cff277b585fd713f4b44830c79da2b74ecc138d99c8aec9b4757d9dda6d3fa475a1dfdb6588

Download Submit
memory/68-30-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/68-1-0x0000000000A10000-0x0000000001078000-memory.dmp

Filesize
6.4MB

Download
memory/68-4-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/68-0-0x00007FFF45A13000-0x00007FFF45A15000-memory.dmp

Filesize
8KB

Download
memory/4236-31-0x000002304C590000-0x000002304CCBA000-memory.dmp

Filesize
7.2MB

Download
memory/4236-29-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/4236-32-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/4236-33-0x0000023068770000-0x0000023069286000-memory.dmp

Filesize
11.1MB

Download
memory/4236-44-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-19-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-18-0x0000000000450000-0x000000000045E000-memory.dmp

Filesize
56KB

Download
memory/4372-36-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-43-0x00007FFF45A10000-0x00007FFF464D1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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