xworm | 5251566d0b8a27c5399efb9e5298c1c50fda246e3f15c8ebccf7d21282edede3

Analysis

max time kernel
121s
max time network
151s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 00:17

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General

Target

SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe
Size

551KB
MD5

e30e2fe91be631b7bb50916d7b521c29
SHA1

7174d5827f6a97e102ed84dc4083a535eb101dc3
SHA256

5251566d0b8a27c5399efb9e5298c1c50fda246e3f15c8ebccf7d21282edede3
SHA512

9ebe8208832e63efce3c0d8e158695e2b308852dfa07525b74b38a29ee1245f035395b8e17e2a5f4c4afbb6d39cadd619425ed9e67f1348aa01a1e89c83afece
SSDEEP

12288:/B7jZhysUp6eR1QBNHDt11EpWrcKIx6AB/PX6BPLAzibNv0dY:/xZETp6eoNHDt1mmbroPX6BLoihv0C

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

rwanco.duckdns.org:1515

Attributes

Install_directory
%AppData%
install_file
USB.exe

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2620-19-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral1/memory/2620-21-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral1/memory/2620-26-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral1/memory/2620-25-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm
behavioral1/memory/2620-24-0x0000000000400000-0x0000000000416000-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
2428	powershell.exe
2900	powershell.exe
1140	powershell.exe
2544	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.lnk	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.lnk	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe

Loads dropped DLL 1 IoCs

pid	Process
2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.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-1-5-21-2660163958-4080398480-1122754539-1000\Software\Microsoft\Windows\CurrentVersion\Run\SecuriteInfo.com.Win32.PWSX-gen.24441.7577 = "C:\\Users\\Admin\\AppData\\Roaming\\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe"	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2428	powershell.exe
2900	powershell.exe
1140	powershell.exe
2544	powershell.exe
2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe
Token: SeDebugPrivilege	2428	powershell.exe
Token: SeDebugPrivilege	2900	powershell.exe
Token: SeDebugPrivilege	1140	powershell.exe
Token: SeDebugPrivilege	2544	powershell.exe
Token: SeDebugPrivilege	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 2428	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	31
PID 2824 wrote to memory of 2428	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	31
PID 2824 wrote to memory of 2428	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	31
PID 2824 wrote to memory of 2428	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	31
PID 2824 wrote to memory of 2584	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	33
PID 2824 wrote to memory of 2584	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	33
PID 2824 wrote to memory of 2584	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	33
PID 2824 wrote to memory of 2584	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	33
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2824 wrote to memory of 2620	2824	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	35
PID 2620 wrote to memory of 2900	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	36
PID 2620 wrote to memory of 2900	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	36
PID 2620 wrote to memory of 2900	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	36
PID 2620 wrote to memory of 2900	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	36
PID 2620 wrote to memory of 1140	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	38
PID 2620 wrote to memory of 1140	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	38
PID 2620 wrote to memory of 1140	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	38
PID 2620 wrote to memory of 1140	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	38
PID 2620 wrote to memory of 2544	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	40
PID 2620 wrote to memory of 2544	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	40
PID 2620 wrote to memory of 2544	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	40
PID 2620 wrote to memory of 2544	2620	SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe	40

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UhDXQPNrTOujT.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2428
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UhDXQPNrTOujT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2858.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2584
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2900
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1140
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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\tmp2858.tmp

Filesize
1KB

MD5
159c83c0ad167467cf4386fc66fa9721

SHA1
f2ad3ea9273a98c53f3bb5b1bbb18616c04ed00d

SHA256
7e3cb325fe50fe8adbc422d7f6624357e6855f1b9a384e5ad56cf9f1379eb706

SHA512
7507381c0c5060944181654c343ea4a066b24d4e6623b36a5f1a6a39f1e0e3ca0350b812fe990a7eb461d793ab678db11438092b99b41eb5ab55c70635a1b8b2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
18106e5e2963b1c1301b7402f9f3e3f0

SHA1
b87f0c7696243a9fd6d2b8d8cbdfee73df0e22d5

SHA256
c5d43ee0e8712359e06ff0116c6370d3767f274e7b1dab3cb5c5f89213f635ce

SHA512
739acafe48ef970291de7f2547ae135aeaa5a2e69d3da5c828c179f6ec9e62323534bf8b69cd049f996fcc86072bf0593c3fa80433880b617b2ccc8cfed7540a

Download Submit
C:\Users\Admin\AppData\Roaming\SecuriteInfo.com.Win32.PWSX-gen.24441.7577.exe

Filesize
551KB

MD5
e30e2fe91be631b7bb50916d7b521c29

SHA1
7174d5827f6a97e102ed84dc4083a535eb101dc3

SHA256
5251566d0b8a27c5399efb9e5298c1c50fda246e3f15c8ebccf7d21282edede3

SHA512
9ebe8208832e63efce3c0d8e158695e2b308852dfa07525b74b38a29ee1245f035395b8e17e2a5f4c4afbb6d39cadd619425ed9e67f1348aa01a1e89c83afece

Download Submit
memory/2620-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-25-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-24-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-26-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-19-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2620-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-4-0x0000000000480000-0x0000000000492000-memory.dmp

Filesize
72KB

Download
memory/2824-5-0x0000000000740000-0x0000000000748000-memory.dmp

Filesize
32KB

Download
memory/2824-7-0x0000000004F20000-0x0000000004F78000-memory.dmp

Filesize
352KB

Download
memory/2824-0-0x0000000074E7E000-0x0000000074E7F000-memory.dmp

Filesize
4KB

Download
memory/2824-6-0x0000000000750000-0x000000000075E000-memory.dmp

Filesize
56KB

Download
memory/2824-27-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-3-0x0000000074E70000-0x000000007555E000-memory.dmp

Filesize
6.9MB

Download
memory/2824-2-0x00000000047D0000-0x000000000486A000-memory.dmp

Filesize
616KB

Download
memory/2824-1-0x0000000000E80000-0x0000000000F0E000-memory.dmp

Filesize
568KB

Download