xworm | ac86f775c65dffbaa91ad0dd4777d10feffef7f0088e73300940953f26a479d7

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30/05/2024, 10:44

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General

Target
Deanonn by nazar 2024!!! +key.exe
Size 67KB
Sample240530-ms4casee7x
SHA256 ac86f775c65dffbaa91ad0dd4777d10feffef7f0088e73300940953f26a479d7
MD5 eafc6737830999d00a40a86049561243
SHA1 a93b09e934e340f533c2d6b4ddc7b6cb85773e5b
SHA512 88137c28e1f618fc4fbbd2dc386c83b965cfab5c215d9277eb67afa14fd5c9d61f914c033dc24698c13fae435419f3843313086e35737ee38769a54f31613183
SSDEEP 1536:7flEdkZzr89H2WwvAU6fFBxlTbeUgDf/c6gKO894Vj7cEgP:7f3w6297xbeVDf/bO8CVjvO
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

registered-martial.gl.at.ply.gg:62460

Attributes

Install_directory
%Temp%
install_file
XClient.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3620-1-0x00000000008E0000-0x00000000008F8000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2628	powershell.exe
1104	powershell.exe
4360	powershell.exe
4152	powershell.exe

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-1-5-21-711569230-3659488422-571408806-1000\Control Panel\International\Geo\Nation	Deanonn by nazar 2024!!! +key.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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"	Deanonn by nazar 2024!!! +key.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
11	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2628	powershell.exe
2628	powershell.exe
1104	powershell.exe
1104	powershell.exe
4360	powershell.exe
4360	powershell.exe
4152	powershell.exe
4152	powershell.exe
3620	Deanonn by nazar 2024!!! +key.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	Deanonn by nazar 2024!!! +key.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeDebugPrivilege	4360	powershell.exe
Token: SeDebugPrivilege	4152	powershell.exe
Token: SeDebugPrivilege	3620	Deanonn by nazar 2024!!! +key.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3620	Deanonn by nazar 2024!!! +key.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 2628	3620	Deanonn by nazar 2024!!! +key.exe	89
PID 3620 wrote to memory of 2628	3620	Deanonn by nazar 2024!!! +key.exe	89
PID 3620 wrote to memory of 1104	3620	Deanonn by nazar 2024!!! +key.exe	91
PID 3620 wrote to memory of 1104	3620	Deanonn by nazar 2024!!! +key.exe	91
PID 3620 wrote to memory of 4360	3620	Deanonn by nazar 2024!!! +key.exe	93
PID 3620 wrote to memory of 4360	3620	Deanonn by nazar 2024!!! +key.exe	93
PID 3620 wrote to memory of 4152	3620	Deanonn by nazar 2024!!! +key.exe	97
PID 3620 wrote to memory of 4152	3620	Deanonn by nazar 2024!!! +key.exe	97

C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe
"C:\Users\Admin\AppData\Local\Temp\Deanonn by nazar 2024!!! +key.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3620
- 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'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2628
- 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'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1104
- 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'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4360
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

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Downloads

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 6b1cda45cf174f69a706026123f7a6260589c16641d58a4f4c9339ad3a22a571
MD5 aeb1ea4e72d48cb81a440e9ae5bc8625
SHA1 0075a8d559552a76b567c34808f7b7cf49ec5a1e
SHA512 b76bfbe889f7b4e328b1adc38704c15bebb633b244076e4d7af2394c865823732e01c32fe0972c4bd9d86f329e60fc474f97cdf9895e5f811f1eaea53d6e9ba3
MD5 SHA1 SHA512

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StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 99372ad38570a8021ee6c4f7a41bbc2499eb76381dbd594ea413ec84ded2ccf3
MD5 40b9ac38a232729536f8764039b17139
SHA1 e1c194c09e2ccfb080dcb61b4f3a5b661f82f0af
SHA512 b37990cbd31cb9dce8e5c14a8996d88cdaf30dd1c279ed1804b92bd1bdb074f98421d563f26bc68d969df200fb4feb93bb26d9edb01c7bf4583e8cc9fca34887
MD5 SHA1 SHA512

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__PSScriptPolicyTest_bu3gx00f.nrg.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bu3gx00f.nrg.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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

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

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

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

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

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

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

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

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

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