Malware Analysis Report

2024-11-16 13:37

Sample ID 240530-ms4casee7x
Target Deanonn by nazar 2024!!! +key.exe
SHA256 ac86f775c65dffbaa91ad0dd4777d10feffef7f0088e73300940953f26a479d7
Tags
xworm execution persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ac86f775c65dffbaa91ad0dd4777d10feffef7f0088e73300940953f26a479d7

Threat Level: Known bad

The file Deanonn by nazar 2024!!! +key.exe was found to be: Known bad.

Malicious Activity Summary

xworm execution persistence rat trojan

Xworm

Detect Xworm Payload

Xworm family

Command and Scripting Interpreter: PowerShell

Checks computer location settings

Looks up external IP address via web service

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-30 10:44

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm family

xworm

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-30 10:44

Reported

2024-05-30 10:47

Platform

win7-20240215-en

Max time kernel

63s

Max time network

66s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe" C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2932 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2640 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 2420 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 2932 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe

"C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Deanonn by nazar 2024!!! +key.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

C:\Windows\explorer.exe

"C:\Windows\explorer.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 registered-martial.gl.at.ply.gg udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp

Files

memory/2932-0-0x000007FEF5393000-0x000007FEF5394000-memory.dmp

memory/2932-1-0x00000000000A0000-0x00000000000B8000-memory.dmp

memory/2932-2-0x000007FEF5390000-0x000007FEF5D7C000-memory.dmp

memory/2640-7-0x0000000002C00000-0x0000000002C80000-memory.dmp

memory/2640-8-0x000000001B730000-0x000000001BA12000-memory.dmp

memory/2640-9-0x00000000027A0000-0x00000000027A8000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5 6b6b0d193701fba8f83ac5d2af617c40
SHA1 f44a2a8189d7626fb3c4650a98bad29bafaa0e21
SHA256 65161099f82cef06493c3c648653baa12fd1b2bdc231d387cbe134d33316ff0d
SHA512 1f5782a1dc034a07dec7de75cf2ff5d4f846558dfbc4eb768709b8f47eb0902c4f37149e206678824731fc71efa58f7d5e48fcbe537d095939ebccb8ad1f1014

memory/2736-15-0x000000001B850000-0x000000001BB32000-memory.dmp

memory/2736-16-0x0000000002240000-0x0000000002248000-memory.dmp

\??\PIPE\srvsvc

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2932-29-0x000007FEF5393000-0x000007FEF5394000-memory.dmp

memory/2932-30-0x000007FEF5390000-0x000007FEF5D7C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-30 10:44

Reported

2024-05-30 10:48

Platform

win10v2004-20240426-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe"

Signatures

Detect Xworm Payload

Description Indicator Process Target
N/A N/A N/A N/A

Xworm

trojan rat xworm

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-711569230-3659488422-571408806-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XClient = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XClient.exe" C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe

"C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Deanonn by nazar 2024!!! +key.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XClient.exe'

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 registered-martial.gl.at.ply.gg udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 18.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp
US 147.185.221.18:62460 registered-martial.gl.at.ply.gg tcp

Files

memory/3620-0-0x00007FFC01D63000-0x00007FFC01D65000-memory.dmp

memory/3620-1-0x00000000008E0000-0x00000000008F8000-memory.dmp

memory/3620-2-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

memory/2628-3-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bu3gx00f.nrg.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/2628-4-0x000001E68CAC0000-0x000001E68CAE2000-memory.dmp

memory/2628-14-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

memory/2628-17-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp

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

MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 aeb1ea4e72d48cb81a440e9ae5bc8625
SHA1 0075a8d559552a76b567c34808f7b7cf49ec5a1e
SHA256 6b1cda45cf174f69a706026123f7a6260589c16641d58a4f4c9339ad3a22a571
SHA512 b76bfbe889f7b4e328b1adc38704c15bebb633b244076e4d7af2394c865823732e01c32fe0972c4bd9d86f329e60fc474f97cdf9895e5f811f1eaea53d6e9ba3

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 40b9ac38a232729536f8764039b17139
SHA1 e1c194c09e2ccfb080dcb61b4f3a5b661f82f0af
SHA256 99372ad38570a8021ee6c4f7a41bbc2499eb76381dbd594ea413ec84ded2ccf3
SHA512 b37990cbd31cb9dce8e5c14a8996d88cdaf30dd1c279ed1804b92bd1bdb074f98421d563f26bc68d969df200fb4feb93bb26d9edb01c7bf4583e8cc9fca34887

memory/3620-53-0x00007FFC01D63000-0x00007FFC01D65000-memory.dmp

memory/3620-54-0x00007FFC01D60000-0x00007FFC02821000-memory.dmp