xworm | edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
15-11-2024 03:10

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General

Target

edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Size

528KB
MD5

046dc61545c4ca911c25cfc844b3b00c
SHA1

671cda72944c3920edb83520eb5d2317af0c60cb
SHA256

edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386
SHA512

c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e
SSDEEP

12288:5hU2ft8hWSxwvzeA5ScGZshgwnmnmalFYCJVM:bHfuWSxWRGgLmnmaQCJV

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

Version

3.1

pkaraven.duckdns.org:9387

Mutex

PN8dWiUH0oIhIHhD

Attributes

Install_directory
%AppData%
install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 5 IoCs

resource	yara_rule
behavioral1/memory/2712-29-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2712-28-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2712-27-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2712-24-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2712-22-0x0000000000400000-0x0000000000410000-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 5 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2784	powershell.exe
2820	powershell.exe
872	powershell.exe
2024	powershell.exe
1752	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.lnk	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.lnk	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Loads dropped DLL 1 IoCs

pid	Process
2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 596 set thread context of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

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
2992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
2820	powershell.exe
2784	powershell.exe
872	powershell.exe
2024	powershell.exe
1752	powershell.exe
2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Token: SeDebugPrivilege	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Token: SeDebugPrivilege	2820	powershell.exe
Token: SeDebugPrivilege	2784	powershell.exe
Token: SeDebugPrivilege	872	powershell.exe
Token: SeDebugPrivilege	2024	powershell.exe
Token: SeDebugPrivilege	1752	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 596 wrote to memory of 2784	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	31
PID 596 wrote to memory of 2784	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	31
PID 596 wrote to memory of 2784	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	31
PID 596 wrote to memory of 2784	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	31
PID 596 wrote to memory of 2820	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	33
PID 596 wrote to memory of 2820	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	33
PID 596 wrote to memory of 2820	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	33
PID 596 wrote to memory of 2820	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	33
PID 596 wrote to memory of 2992	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	35
PID 596 wrote to memory of 2992	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	35
PID 596 wrote to memory of 2992	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	35
PID 596 wrote to memory of 2992	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	35
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 596 wrote to memory of 2712	596	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 2712 wrote to memory of 872	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	38
PID 2712 wrote to memory of 872	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	38
PID 2712 wrote to memory of 872	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	38
PID 2712 wrote to memory of 872	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	38
PID 2712 wrote to memory of 2024	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	40
PID 2712 wrote to memory of 2024	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	40
PID 2712 wrote to memory of 2024	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	40
PID 2712 wrote to memory of 2024	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	40
PID 2712 wrote to memory of 1752	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	42
PID 2712 wrote to memory of 1752	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	42
PID 2712 wrote to memory of 1752	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	42
PID 2712 wrote to memory of 1752	2712	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	42

C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
"C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UAfIsZeb.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAfIsZeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2992
- C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
  "C:\Users\Admin\AppData\Local\Temp\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe"
  2⤵
  - Drops startup file
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2712
- - 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:872
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2024
- - 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\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1752

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDE6.tmp

Filesize
1KB

MD5
52960cc75682a26fdbe2d551827ec4f8

SHA1
d02963864f00ecddd156cd9c2a76339675ec82a4

SHA256
ee05e113f8344c30d87b0db9f859e42b8239200cd10958ab7a94a577b9d5fc02

SHA512
fa67ec6056ffdd13b40d045536cb9d81c98ae857b5ab4bdbd1ea838458c8dd9b41e43430fbf52d8c961a81808cfa24d1ffdc75bc45049ef9e8a7a4bf59b99afc

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UF0BQBZLLI8SCHHT4UTU.temp

Filesize
7KB

MD5
5861934af9cd05362596945353fa426f

SHA1
b8e48a88f693503c97ff0ed49ff76df96d0a3d1b

SHA256
8c97364c15785c7619718178a1c0ef412827d7fcf4f6297851ca400c1df71a23

SHA512
d09cbc45a33838e971893b4c321f2e3c552c0c5f3785e39a2383bcb54646996d004c1c3e93e406075b24255900a97bbd4223ac858c85040b43d1e243ed65daba

Download Submit
\Users\Admin\AppData\Roaming\edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Filesize
528KB

MD5
046dc61545c4ca911c25cfc844b3b00c

SHA1
671cda72944c3920edb83520eb5d2317af0c60cb

SHA256
edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

SHA512
c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

Download Submit
memory/596-30-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/596-1-0x0000000000900000-0x000000000098A000-memory.dmp

Filesize
552KB

Download
memory/596-2-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/596-3-0x0000000000530000-0x0000000000542000-memory.dmp

Filesize
72KB

Download
memory/596-4-0x0000000074400000-0x0000000074AEE000-memory.dmp

Filesize
6.9MB

Download
memory/596-5-0x0000000004B10000-0x0000000004B64000-memory.dmp

Filesize
336KB

Download
memory/596-0-0x000000007440E000-0x000000007440F000-memory.dmp

Filesize
4KB

Download
memory/2712-18-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-27-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-28-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2712-29-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download