xworm | f326b722d4dd6d61359b374019a3cc74f2fbd4b3b1511c2d647b08fdc7f33135

Analysis

max time kernel
1733s
max time network
1793s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 14:02

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Process hacker.exe
Size 39KB
Sample240604-rb7evahg51
SHA256 f326b722d4dd6d61359b374019a3cc74f2fbd4b3b1511c2d647b08fdc7f33135
MD5 380f1aa5a0b081df600dd3963cea32b2
SHA1 10cc40c32bf6fef6f58f5980b9a4413115c0e608
SHA512 1dff1708633b0187edf11e951a733ac3c8928ca2e9a109483ef5fca3118a86d68e91aefde51657df6ef2c8b862dbf5f05923e8742056deee6ff684284ef9047d
SSDEEP 768:7V9G+zrPxNlxd80VuTU35uXuyjWxF5Pm9j/Tl67OMhZ3IC:7VvrPfqwP8u8aFM9zTl67OMvx
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

model-dt.gl.at.ply.gg:61584

Mutex

Qnv4UI0eUKWzJk4u

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2700-1-0x00000000003B0000-0x00000000003C0000-memory.dmp	family_xworm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2684	powershell.exe
2604	powershell.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
4	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 3 IoCs

pid	Process
2684	powershell.exe
2604	powershell.exe
2700	Process hacker.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	Process hacker.exe
Token: SeDebugPrivilege	2684	powershell.exe
Token: SeDebugPrivilege	2604	powershell.exe
Token: SeDebugPrivilege	2700	Process hacker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2700	Process hacker.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2684	2700	Process hacker.exe	29
PID 2700 wrote to memory of 2684	2700	Process hacker.exe	29
PID 2700 wrote to memory of 2684	2700	Process hacker.exe	29
PID 2700 wrote to memory of 2604	2700	Process hacker.exe	31
PID 2700 wrote to memory of 2604	2700	Process hacker.exe	31
PID 2700 wrote to memory of 2604	2700	Process hacker.exe	31

C:\Users\Admin\AppData\Local\Temp\Process hacker.exe
"C:\Users\Admin\AppData\Local\Temp\Process hacker.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2700
- 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\Process hacker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Process hacker.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

590aee7bdd69b59b.customDestinations-ms

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
Size 7KB
SHA256 a3ea26cd31806b6f836a0b458a3184288de53c0f9db922fc835caa727c9f7477
MD5 3e78a22bbac2d9590828d14a08861c99
SHA1 e117b243fb228c2ba73fd24f5a9b0584edc8712f
SHA512 9634d2feef2419a058266d3f0d046b6281b91956c0275ddfa94b1dab3746f68af865db52cd868913504a58e3491ad8d3c4fcab01f647e8e9fec28b9000e08ba4
SSDEEP 96:0qAFwCaIM8inqvsqvJCwowqAFwCaIM8inqvsEHyqvJCwor883fQHqo7TpXlUVb:rAFh+UoHAFh+AHnor8gro7Tpg
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2604-15-0x000000001B550000-0x000000001B832000-memory.dmp

Download

memory/2604-16-0x0000000001ED0000-0x0000000001ED8000-memory.dmp

Download

memory/2684-7-0x0000000002C50000-0x0000000002CD0000-memory.dmp

Download

memory/2684-8-0x000000001B5F0000-0x000000001B8D2000-memory.dmp

Download

memory/2684-9-0x0000000001E90000-0x0000000001E98000-memory.dmp

Download

memory/2700-0-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

Download

memory/2700-1-0x00000000003B0000-0x00000000003C0000-memory.dmp

Download

memory/2700-2-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Download

memory/2700-17-0x000007FEF5D93000-0x000007FEF5D94000-memory.dmp

Download

memory/2700-18-0x000007FEF5D90000-0x000007FEF677C000-memory.dmp

Download