xworm | be98f5ab32e873468f2ba2fb45215468b0157f7fe894d9af98313444ec945ef6

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
27/05/2024, 16:42

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
Tashkent Drive Edition.exe
Size 144KB
Sample240527-t7v3ssbe83
SHA256 be98f5ab32e873468f2ba2fb45215468b0157f7fe894d9af98313444ec945ef6
MD5 302a161addf4cad7c6f078b7c5ad916a
SHA1 01450a35f72a6db951fb07fce749508f8aafe153
SHA512 0c60134a2189554e6d47ef0e4845fe2d661b1d7a021bd530b8a323a2496fa7958dad31feb0022348b9c655a4aac4a9a67b13a1adafcac454a4346fa50796d8bd
SSDEEP 1536:HVK6scO5JV+3tOBPvfbVEaf0Qcf9sm65rvO8S6ROzFkcil31gYDbd:1KRRV+3tOB3fbKXK9vO56kUG6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

127.0.0.1:53750
involved-delete.gl.at.ply.gg:53750

Attributes

Install_directory
%AppData%
install_file
svchost.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral2/memory/1628-0-0x0000000000020000-0x000000000004A000-memory.dmp	family_xworm
behavioral2/files/0x0006000000022fcb-59.dat	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
4160	powershell.exe
536	powershell.exe
3760	powershell.exe
4604	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	Tashkent Drive Edition.exe

Drops startup file 2 IoCs

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

Executes dropped EXE 3 IoCs

pid	Process
768	svchost.exe
4236	svchost.exe
4940	svchost.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\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	Tashkent Drive Edition.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
9	ip-api.com

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
720	schtasks.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
4160	powershell.exe
4160	powershell.exe
536	powershell.exe
536	powershell.exe
3760	powershell.exe
3760	powershell.exe
4604	powershell.exe
4604	powershell.exe
1628	Tashkent Drive Edition.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	Tashkent Drive Edition.exe
Token: SeDebugPrivilege	4160	powershell.exe
Token: SeDebugPrivilege	536	powershell.exe
Token: SeDebugPrivilege	3760	powershell.exe
Token: SeDebugPrivilege	4604	powershell.exe
Token: SeDebugPrivilege	1628	Tashkent Drive Edition.exe
Token: SeDebugPrivilege	768	svchost.exe
Token: SeDebugPrivilege	4236	svchost.exe
Token: SeDebugPrivilege	4940	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1628	Tashkent Drive Edition.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 4160	1628	Tashkent Drive Edition.exe	85
PID 1628 wrote to memory of 4160	1628	Tashkent Drive Edition.exe	85
PID 1628 wrote to memory of 536	1628	Tashkent Drive Edition.exe	87
PID 1628 wrote to memory of 536	1628	Tashkent Drive Edition.exe	87
PID 1628 wrote to memory of 3760	1628	Tashkent Drive Edition.exe	89
PID 1628 wrote to memory of 3760	1628	Tashkent Drive Edition.exe	89
PID 1628 wrote to memory of 4604	1628	Tashkent Drive Edition.exe	91
PID 1628 wrote to memory of 4604	1628	Tashkent Drive Edition.exe	91
PID 1628 wrote to memory of 720	1628	Tashkent Drive Edition.exe	93
PID 1628 wrote to memory of 720	1628	Tashkent Drive Edition.exe	93

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Tashkent Drive Edition.exe
"C:\Users\Admin\AppData\Local\Temp\Tashkent Drive Edition.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1628
- 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\Tashkent Drive Edition.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4160
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Tashkent Drive Edition.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:536
- 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\Roaming\svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3760
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'svchost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4604
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "svchost" /tr "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Creates scheduled task(s)
  PID:720

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:768

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4236

C:\Users\Admin\AppData\Roaming\svchost.exe
C:\Users\Admin\AppData\Roaming\svchost.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

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

Loading Replay Monitor...

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

Submit Download

svchost.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\svchost.exe.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
MD5 SHA1 SHA512

Submit Download

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

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 2b139c74072ccbdaa17b950f32a6dbc934dfb7af9973d97c9b0d9c498012ba68
MD5 d8cb3e9459807e35f02130fad3f9860d
SHA1 5af7f32cb8a30e850892b15e9164030a041f4bd6
SHA512 045239ba31367fbdd59e883f74eafc05724e23bd6e8f0c1e7171ea2496a497eb9e0cfcb57285bb81c4d569daadba43d6ef64c626ca48f1e2a59e8d97f0cc9184
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 718dc2f5f4a6dbb7fab7f3db05bd7f602fb16526caae7084ab46c3ab4e7bad35
MD5 65a68df1062af34622552c4f644a5708
SHA1 6f6ecf7b4b635abb0b132d95dac2759dc14b50af
SHA512 4e460eb566032942547b58411222dd26ae300a95f83cf5ae6df58ebd28594341123611b348bd4031a33bc7f38307d5cb8fb677bba8c896919e3eee677a104d4d
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_tmn3goo5.0yr.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tmn3goo5.0yr.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Roaming\svchost.exe
Size 144KB
SHA256 be98f5ab32e873468f2ba2fb45215468b0157f7fe894d9af98313444ec945ef6
MD5 302a161addf4cad7c6f078b7c5ad916a
SHA1 01450a35f72a6db951fb07fce749508f8aafe153
SHA512 0c60134a2189554e6d47ef0e4845fe2d661b1d7a021bd530b8a323a2496fa7958dad31feb0022348b9c655a4aac4a9a67b13a1adafcac454a4346fa50796d8bd
SSDEEP 1536:HVK6scO5JV+3tOBPvfbVEaf0Qcf9sm65rvO8S6ROzFkcil31gYDbd:1KRRV+3tOB3fbKXK9vO56kUG6
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1628-0-0x0000000000020000-0x000000000004A000-memory.dmp

Download

memory/1628-2-0x00007FFAA3CC0000-0x00007FFAA4781000-memory.dmp

Download

memory/1628-1-0x00007FFAA3CC3000-0x00007FFAA3CC5000-memory.dmp

Download

memory/1628-58-0x000000001D760000-0x000000001D76C000-memory.dmp

Download

memory/1628-57-0x00007FFAA3CC0000-0x00007FFAA4781000-memory.dmp

Download

memory/4160-4-0x00007FFAA3CC0000-0x00007FFAA4781000-memory.dmp

Download

memory/4160-18-0x00007FFAA3CC0000-0x00007FFAA4781000-memory.dmp

Download

memory/4160-15-0x00007FFAA3CC0000-0x00007FFAA4781000-memory.dmp

Download

memory/4160-14-0x0000019673F80000-0x0000019673FA2000-memory.dmp

Download

memory/4160-3-0x00007FFAA3CC0000-0x00007FFAA4781000-memory.dmp

Download