xworm | 95f75183ae20ba58029f7a082b18ac082e36a0bac463c4e30ff1c5738afc3ca0

Analysis

max time kernel
126s
max time network
140s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16/11/2024, 01:00

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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/1928-30-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/1928-28-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/1928-25-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/1928-23-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/1928-29-0x0000000000400000-0x0000000000410000-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
1736	powershell.exe
320	powershell.exe
2252	powershell.exe
1780	powershell.exe
2968	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
1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36

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
2656	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
1780	powershell.exe
2252	powershell.exe
2968	powershell.exe
1736	powershell.exe
320	powershell.exe
1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Token: SeDebugPrivilege	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe
Token: SeDebugPrivilege	2252	powershell.exe
Token: SeDebugPrivilege	1780	powershell.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	1736	powershell.exe
Token: SeDebugPrivilege	320	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2252	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	30
PID 2880 wrote to memory of 2252	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	30
PID 2880 wrote to memory of 2252	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	30
PID 2880 wrote to memory of 2252	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	30
PID 2880 wrote to memory of 1780	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	32
PID 2880 wrote to memory of 1780	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	32
PID 2880 wrote to memory of 1780	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	32
PID 2880 wrote to memory of 1780	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	32
PID 2880 wrote to memory of 2656	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	34
PID 2880 wrote to memory of 2656	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	34
PID 2880 wrote to memory of 2656	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	34
PID 2880 wrote to memory of 2656	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	34
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 2880 wrote to memory of 1928	2880	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	36
PID 1928 wrote to memory of 2968	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 1928 wrote to memory of 2968	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 1928 wrote to memory of 2968	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 1928 wrote to memory of 2968	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	37
PID 1928 wrote to memory of 1736	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	39
PID 1928 wrote to memory of 1736	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	39
PID 1928 wrote to memory of 1736	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	39
PID 1928 wrote to memory of 1736	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	39
PID 1928 wrote to memory of 320	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	41
PID 1928 wrote to memory of 320	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	41
PID 1928 wrote to memory of 320	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	41
PID 1928 wrote to memory of 320	1928	edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386.exe	41

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:2880
- 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:2252
- 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:1780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAfIsZeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp928F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2656
- 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:1928
- - 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:2968
- - 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:1736
- - 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:320

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\tmp928F.tmp

Filesize
1KB

MD5
f08129f315524839209e9bccd20cb008

SHA1
24f7b937b03e81b1b1ceb426061acb0a704047f1

SHA256
bdd2aaf8d048c47148cab0d49417a636ef7e11e002b35839d0689a66148be5b4

SHA512
212d25c3e8d9a103a2a727b4fd1c7cc5e2b70180fde87798b694ac3dfddfdc484e909940817ed697f08f07bedc2e9f3f0031d2513eee7ac5998e47949a921936

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\KBPH40JGFKTM566CMI2N.temp

Filesize
7KB

MD5
75b4c2cfaf54c9a54dfffab28f1982a9

SHA1
2896ea301592e06785a8d082e0d2998405097e5b

SHA256
02448a54642c697646e7b7dcdca3fc8678f82a0af2816bb93f659100b6ae4a1e

SHA512
9ad36a1a36d4d78ecb7b05f3716428df915e7ed1cd36f458af824a0fd6b51f85552edc66180012609c043aa7a8bbfe726e4275e7bac20c4982f5b05e1617a5ff

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

Filesize
528KB

MD5
046dc61545c4ca911c25cfc844b3b00c

SHA1
671cda72944c3920edb83520eb5d2317af0c60cb

SHA256
edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

SHA512
c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

Download Submit
memory/1928-29-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-21-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-19-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-23-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-25-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-30-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-28-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/1928-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-3-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2880-4-0x00000000009F0000-0x0000000000A02000-memory.dmp

Filesize
72KB

Download
memory/2880-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/2880-6-0x0000000004C30000-0x0000000004C84000-memory.dmp

Filesize
336KB

Download
memory/2880-31-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2880-1-0x0000000000BE0000-0x0000000000C6A000-memory.dmp

Filesize
552KB

Download