xworm | e9e6a5e4d64f01b158801bbaead6aedfeeb8cd754e734d1471f591ca3e2c08f8

Analysis

max time kernel
149s
max time network
166s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:17

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General

Target

db06d80b635eadd508aae82af68fb07f.exe
Size

154KB
MD5

db06d80b635eadd508aae82af68fb07f
SHA1

87e85410d9d92abba7da25c4ff6579ceee9eff74
SHA256

01a66c806b319086b19edef1a9a511211c0978f12c154fcba00ded27f6a79a14
SHA512

c500eec47d539cd71359da7046d770796e6bbef50bcb9375a3a3db4807275f9d58c1dcf20ba0b269c2e2fe1bceed27532cb96638fbe26b03e04ac0dcbeebe000
SSDEEP

3072:DpkFv9i/JOwR4NpVq8BxFRzaqF+o2GQJ7/JzqVfGve:D8v96gVqwlL

Score

10^/10

xworm execution persistence rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

y0sxz-23886.portmap.host:23886

Mutex

Nu8ESzXeQ5CGfIYK

Attributes

Install_directory
%Temp%
install_file
updater.exe
telegram
https://api.telegram.org/bot7652540327:AAGYeqytWC570vUvKQiDlj_ZhVhXoUvUbmM/sendMessage?chat_id=7699236265

aes.plain

Signatures

Detect Xworm Payload 4 IoCs

resource	yara_rule
behavioral23/memory/2888-1-0x0000000000230000-0x000000000025C000-memory.dmp	family_xworm
behavioral23/files/0x000e000000012266-33.dat	family_xworm
behavioral23/memory/1176-35-0x0000000001390000-0x00000000013BC000-memory.dmp	family_xworm
behavioral23/memory/1612-39-0x00000000013C0000-0x00000000013EC000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
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
2788	powershell.exe
2880	powershell.exe
1912	powershell.exe
1928	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\updater.lnk	db06d80b635eadd508aae82af68fb07f.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\updater.lnk	db06d80b635eadd508aae82af68fb07f.exe

Executes dropped EXE 3 IoCs

pid	Process
1176	updater.exe
1612	updater.exe
1204	updater.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\updater.exe"	db06d80b635eadd508aae82af68fb07f.exe

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
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2788	powershell.exe
2880	powershell.exe
1912	powershell.exe
1928	powershell.exe
2888	db06d80b635eadd508aae82af68fb07f.exe

Suspicious use of AdjustPrivilegeToken 9 IoCs

description	pid	Process
Token: SeDebugPrivilege	2888	db06d80b635eadd508aae82af68fb07f.exe
Token: SeDebugPrivilege	2788	powershell.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	1912	powershell.exe
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	2888	db06d80b635eadd508aae82af68fb07f.exe
Token: SeDebugPrivilege	1176	updater.exe
Token: SeDebugPrivilege	1612	updater.exe
Token: SeDebugPrivilege	1204	updater.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2888	db06d80b635eadd508aae82af68fb07f.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2788	2888	db06d80b635eadd508aae82af68fb07f.exe	30
PID 2888 wrote to memory of 2788	2888	db06d80b635eadd508aae82af68fb07f.exe	30
PID 2888 wrote to memory of 2788	2888	db06d80b635eadd508aae82af68fb07f.exe	30
PID 2888 wrote to memory of 2880	2888	db06d80b635eadd508aae82af68fb07f.exe	32
PID 2888 wrote to memory of 2880	2888	db06d80b635eadd508aae82af68fb07f.exe	32
PID 2888 wrote to memory of 2880	2888	db06d80b635eadd508aae82af68fb07f.exe	32
PID 2888 wrote to memory of 1912	2888	db06d80b635eadd508aae82af68fb07f.exe	34
PID 2888 wrote to memory of 1912	2888	db06d80b635eadd508aae82af68fb07f.exe	34
PID 2888 wrote to memory of 1912	2888	db06d80b635eadd508aae82af68fb07f.exe	34
PID 2888 wrote to memory of 1928	2888	db06d80b635eadd508aae82af68fb07f.exe	36
PID 2888 wrote to memory of 1928	2888	db06d80b635eadd508aae82af68fb07f.exe	36
PID 2888 wrote to memory of 1928	2888	db06d80b635eadd508aae82af68fb07f.exe	36
PID 2888 wrote to memory of 2616	2888	db06d80b635eadd508aae82af68fb07f.exe	38
PID 2888 wrote to memory of 2616	2888	db06d80b635eadd508aae82af68fb07f.exe	38
PID 2888 wrote to memory of 2616	2888	db06d80b635eadd508aae82af68fb07f.exe	38
PID 3004 wrote to memory of 1176	3004	taskeng.exe	42
PID 3004 wrote to memory of 1176	3004	taskeng.exe	42
PID 3004 wrote to memory of 1176	3004	taskeng.exe	42
PID 3004 wrote to memory of 1612	3004	taskeng.exe	43
PID 3004 wrote to memory of 1612	3004	taskeng.exe	43
PID 3004 wrote to memory of 1612	3004	taskeng.exe	43
PID 3004 wrote to memory of 1204	3004	taskeng.exe	44
PID 3004 wrote to memory of 1204	3004	taskeng.exe	44
PID 3004 wrote to memory of 1204	3004	taskeng.exe	44

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\db06d80b635eadd508aae82af68fb07f.exe
"C:\Users\Admin\AppData\Local\Temp\db06d80b635eadd508aae82af68fb07f.exe"
1⤵
- 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:2888
- 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\db06d80b635eadd508aae82af68fb07f.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'db06d80b635eadd508aae82af68fb07f.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2880
- 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\updater.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1912
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'updater.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1928
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "updater" /tr "C:\Users\Admin\AppData\Local\Temp\updater.exe"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2616

C:\Windows\system32\taskeng.exe
taskeng.exe {865EDC5C-70FE-413B-89DB-57DC413A0665} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:3004
- C:\Users\Admin\AppData\Local\Temp\updater.exe
  C:\Users\Admin\AppData\Local\Temp\updater.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1176
- C:\Users\Admin\AppData\Local\Temp\updater.exe
  C:\Users\Admin\AppData\Local\Temp\updater.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1612
- C:\Users\Admin\AppData\Local\Temp\updater.exe
  C:\Users\Admin\AppData\Local\Temp\updater.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:1204

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\updater.exe

Filesize
154KB

MD5
db06d80b635eadd508aae82af68fb07f

SHA1
87e85410d9d92abba7da25c4ff6579ceee9eff74

SHA256
01a66c806b319086b19edef1a9a511211c0978f12c154fcba00ded27f6a79a14

SHA512
c500eec47d539cd71359da7046d770796e6bbef50bcb9375a3a3db4807275f9d58c1dcf20ba0b269c2e2fe1bceed27532cb96638fbe26b03e04ac0dcbeebe000

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

Filesize
7KB

MD5
dfe5155334558214695cffbf21f2a3ac

SHA1
775fd2c938c081537b971735f09c14752af98952

SHA256
584fd2c75adc75b0cad2ee9e2df91e2fedb5ca20803d2ca988a79f8a75860331

SHA512
52db495031a801ea41343649d6f82821946d8999804fcd4b427b051693e36b51729be46436ed21eb76c1cd77724e56518fde0a0edb8ed72afa0cf42310748422

Download Submit
memory/1176-35-0x0000000001390000-0x00000000013BC000-memory.dmp

Filesize
176KB

Download
memory/1612-39-0x00000000013C0000-0x00000000013EC000-memory.dmp

Filesize
176KB

Download
memory/2788-6-0x00000000025B0000-0x0000000002630000-memory.dmp

Filesize
512KB

Download
memory/2788-8-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download
memory/2788-7-0x000000001B150000-0x000000001B432000-memory.dmp

Filesize
2.9MB

Download
memory/2880-14-0x000000001B2A0000-0x000000001B582000-memory.dmp

Filesize
2.9MB

Download
memory/2880-15-0x0000000002310000-0x0000000002318000-memory.dmp

Filesize
32KB

Download
memory/2888-27-0x000007FEF5583000-0x000007FEF5584000-memory.dmp

Filesize
4KB

Download
memory/2888-31-0x000000001B050000-0x000000001B0D0000-memory.dmp

Filesize
512KB

Download
memory/2888-0-0x000007FEF5583000-0x000007FEF5584000-memory.dmp

Filesize
4KB

Download
memory/2888-36-0x000000001B050000-0x000000001B0D0000-memory.dmp

Filesize
512KB

Download
memory/2888-1-0x0000000000230000-0x000000000025C000-memory.dmp

Filesize
176KB

Download