xworm | edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

Analysis

max time kernel
117s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-11-2024 13:50

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General

Target

Payment Order #00004647.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/2608-24-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2608-30-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2608-28-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2608-27-0x0000000000400000-0x0000000000410000-memory.dmp	family_xworm
behavioral1/memory/2608-22-0x0000000000400000-0x0000000000410000-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
2836	powershell.exe
2968	powershell.exe
1176	powershell.exe
1216	powershell.exe
2844	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment Order #00004647.lnk	Payment Order #00004647.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Payment Order #00004647.lnk	Payment Order #00004647.exe

Loads dropped DLL 1 IoCs

pid	Process
2608	Payment Order #00004647.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2416 set thread context of 2608	2416	Payment Order #00004647.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	Payment Order #00004647.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	Payment Order #00004647.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
2616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2416	Payment Order #00004647.exe
2416	Payment Order #00004647.exe
2844	powershell.exe
2836	powershell.exe
2968	powershell.exe
1176	powershell.exe
1216	powershell.exe
2608	Payment Order #00004647.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	2416	Payment Order #00004647.exe
Token: SeDebugPrivilege	2608	Payment Order #00004647.exe
Token: SeDebugPrivilege	2844	powershell.exe
Token: SeDebugPrivilege	2836	powershell.exe
Token: SeDebugPrivilege	2968	powershell.exe
Token: SeDebugPrivilege	1176	powershell.exe
Token: SeDebugPrivilege	1216	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2608	Payment Order #00004647.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2844	2416	Payment Order #00004647.exe	31
PID 2416 wrote to memory of 2844	2416	Payment Order #00004647.exe	31
PID 2416 wrote to memory of 2844	2416	Payment Order #00004647.exe	31
PID 2416 wrote to memory of 2844	2416	Payment Order #00004647.exe	31
PID 2416 wrote to memory of 2836	2416	Payment Order #00004647.exe	33
PID 2416 wrote to memory of 2836	2416	Payment Order #00004647.exe	33
PID 2416 wrote to memory of 2836	2416	Payment Order #00004647.exe	33
PID 2416 wrote to memory of 2836	2416	Payment Order #00004647.exe	33
PID 2416 wrote to memory of 2616	2416	Payment Order #00004647.exe	34
PID 2416 wrote to memory of 2616	2416	Payment Order #00004647.exe	34
PID 2416 wrote to memory of 2616	2416	Payment Order #00004647.exe	34
PID 2416 wrote to memory of 2616	2416	Payment Order #00004647.exe	34
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2416 wrote to memory of 2608	2416	Payment Order #00004647.exe	37
PID 2608 wrote to memory of 2968	2608	Payment Order #00004647.exe	38
PID 2608 wrote to memory of 2968	2608	Payment Order #00004647.exe	38
PID 2608 wrote to memory of 2968	2608	Payment Order #00004647.exe	38
PID 2608 wrote to memory of 2968	2608	Payment Order #00004647.exe	38
PID 2608 wrote to memory of 1176	2608	Payment Order #00004647.exe	40
PID 2608 wrote to memory of 1176	2608	Payment Order #00004647.exe	40
PID 2608 wrote to memory of 1176	2608	Payment Order #00004647.exe	40
PID 2608 wrote to memory of 1176	2608	Payment Order #00004647.exe	40
PID 2608 wrote to memory of 1216	2608	Payment Order #00004647.exe	42
PID 2608 wrote to memory of 1216	2608	Payment Order #00004647.exe	42
PID 2608 wrote to memory of 1216	2608	Payment Order #00004647.exe	42
PID 2608 wrote to memory of 1216	2608	Payment Order #00004647.exe	42

C:\Users\Admin\AppData\Local\Temp\Payment Order #00004647.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Order #00004647.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2416
- 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\Payment Order #00004647.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2844
- 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:2836
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UAfIsZeb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE14.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2616
- C:\Users\Admin\AppData\Local\Temp\Payment Order #00004647.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Order #00004647.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:2608
- - 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\Payment Order #00004647.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 'Payment Order #00004647.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1176
- - 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\Payment Order #00004647.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1216

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE14.tmp

Filesize
1KB

MD5
26ede47bfb47f8f2dacf61b04d8d026d

SHA1
2e1205ceb920f2def643cc7837d274bdfd33b5ac

SHA256
8a3fd52d1bd9ccc6e0534b51b09999140f4f5976c08533b16787737329e34c1f

SHA512
80271e3c8a6da099f088a1fe864826cd39e524d4e9dc30da0f8e4d3a4a723bd514d5b88f4227c93948da0adf8e90c6f7975b75f38186220109ca05d0ad83af66

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
b7b9759cf81dd1cac73c21a8d771cd7b

SHA1
0ebc995763ad4978e1968b731c084b261923da2a

SHA256
321b3147d34d5b36948e215272c4208d2ebc1c34a4ea4c9c34630db795d0f622

SHA512
b4f573d378390b90aab946f94396fa580d6c4910262389e93b069be6e372c7cc74c4d38a19a4ad079f63642913a9f4c5f9e75c18038ce22622b3be458842511e

Download Submit
\Users\Admin\AppData\Roaming\Payment Order #00004647.exe

Filesize
528KB

MD5
046dc61545c4ca911c25cfc844b3b00c

SHA1
671cda72944c3920edb83520eb5d2317af0c60cb

SHA256
edb8cc2548ed59dc491c0a1cb0b4907a2235b13bbe06a880053bbab544f91386

SHA512
c8024a51ede593157cc7a881a8587536cf010c4c8f9838e44518371dbcec12e96fcac16742617eec414f6a280a5abbcf8d9fe3bcac9c04b75049006f2d93af6e

Download Submit
memory/2416-31-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-1-0x00000000012D0000-0x000000000135A000-memory.dmp

Filesize
552KB

Download
memory/2416-2-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-3-0x0000000000560000-0x0000000000572000-memory.dmp

Filesize
72KB

Download
memory/2416-4-0x00000000742B0000-0x000000007499E000-memory.dmp

Filesize
6.9MB

Download
memory/2416-5-0x0000000004A00000-0x0000000004A54000-memory.dmp

Filesize
336KB

Download
memory/2416-0-0x00000000742BE000-0x00000000742BF000-memory.dmp

Filesize
4KB

Download
memory/2608-28-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-22-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-20-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-18-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-27-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-30-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2608-54-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download