xworm | 97050c3d3a76780973410f615d77a64e2f2683a20328bc880a89300aa8110521

General

Target

wilde.exe.bin.exe
Size

6KB
MD5

45580bbbbad94be86fb0e2062af79fb8
SHA1

0599518ee61f4ac8453f8ff147110686fc0afc02
SHA256

97050c3d3a76780973410f615d77a64e2f2683a20328bc880a89300aa8110521
SHA512

2d6f7500d789b59c4bede099243150b6460f232de12f67f33b290f399b147f47fe645e491d5a0f031aced8ac5a268c202db9673b1dd322c6e2196022690e17b2
SSDEEP

48:6MP5kBZOKrnlVCsYRUY9BjP0GbulgwIHhIBo71jNM4+1GbVgZs2rXVjbyxCtDDl:tKrlVCsY9BTalCH7CHNrXVjBq0zNt

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:44495

death-manor.gl.at.ply.gg:44495

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012117-5.dat	family_xworm
behavioral1/memory/2628-11-0x0000000000260000-0x000000000027E000-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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1740	powershell.exe
1308	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
2628	explorers.exe

Loads dropped DLL 1 IoCs

pid	Process
2820	wilde.exe.bin.exe

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 3 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	wilde.exe.bin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1740	powershell.exe
1308	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	wilde.exe.bin.exe
Token: SeDebugPrivilege	2628	explorers.exe
Token: SeDebugPrivilege	1740	powershell.exe
Token: SeDebugPrivilege	1308	powershell.exe
Token: SeDebugPrivilege	2628	explorers.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2628	2820	wilde.exe.bin.exe	30
PID 2820 wrote to memory of 2628	2820	wilde.exe.bin.exe	30
PID 2820 wrote to memory of 2628	2820	wilde.exe.bin.exe	30
PID 2820 wrote to memory of 2628	2820	wilde.exe.bin.exe	30
PID 2820 wrote to memory of 2572	2820	wilde.exe.bin.exe	31
PID 2820 wrote to memory of 2572	2820	wilde.exe.bin.exe	31
PID 2820 wrote to memory of 2572	2820	wilde.exe.bin.exe	31
PID 2820 wrote to memory of 2572	2820	wilde.exe.bin.exe	31
PID 2572 wrote to memory of 2528	2572	cmd.exe	33
PID 2572 wrote to memory of 2528	2572	cmd.exe	33
PID 2572 wrote to memory of 2528	2572	cmd.exe	33
PID 2572 wrote to memory of 2528	2572	cmd.exe	33
PID 2628 wrote to memory of 1740	2628	explorers.exe	34
PID 2628 wrote to memory of 1740	2628	explorers.exe	34
PID 2628 wrote to memory of 1740	2628	explorers.exe	34
PID 2628 wrote to memory of 1308	2628	explorers.exe	36
PID 2628 wrote to memory of 1308	2628	explorers.exe	36
PID 2628 wrote to memory of 1308	2628	explorers.exe	36

C:\Users\Admin\AppData\Local\Temp\wilde.exe.bin.exe
"C:\Users\Admin\AppData\Local\Temp\wilde.exe.bin.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\explorers.exe
  "C:\Users\Admin\AppData\Local\Temp\explorers.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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\explorers.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1740
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'explorers.exe'
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1308
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "MyCustomTask" /tr "C:\Users\Admin\AppData\Local\Temp\wilde.exe.bin.exe" /sc onlogon /rl highest /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn "MyCustomTask" /tr "C:\Users\Admin\AppData\Local\Temp\wilde.exe.bin.exe" /sc onlogon /rl highest /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
7KB

MD5
973f8cbc59a4aa27302cdfb073a89ea1

SHA1
6f778ae2843467acd0ca3edb24b025a3134bcad6

SHA256
6c06c6d373f4210664dcda79168c37ec338f6d83da6994a16351e8113684bd65

SHA512
2dc302b048d354b38b845b958973387a44a8bdd4af483af316bb9342d73f279a730b6fbb191ad8871699676ad50dcd49cfbb666f214e69962bebe1ac9c33519e

Download Submit
\Users\Admin\AppData\Local\Temp\explorers.exe

Filesize
99KB

MD5
70481cef66610d13de32339230ddcfd1

SHA1
39d19ccc6c1d77fe62d39b7eda95559bd2969f16

SHA256
ee77fd66103b412195daff2514cd1fb550e61e618c2fa98bfd5ab998e5cd7b6b

SHA512
75e0f65e0a2957a20796c93654ccde195f9c53d821c25a260c4203a2170aa821dbfc9c1ce3b165a41a23d44ef7c033076f1da9fe2691b2087c60b89dce8a63a7

Download Submit
memory/1308-23-0x000000001B6F0000-0x000000001B9D2000-memory.dmp

Filesize
2.9MB

Download
memory/1308-24-0x00000000028E0000-0x00000000028E8000-memory.dmp

Filesize
32KB

Download
memory/1740-16-0x000000001B660000-0x000000001B942000-memory.dmp

Filesize
2.9MB

Download
memory/1740-17-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download
memory/2628-9-0x000007FEF5433000-0x000007FEF5434000-memory.dmp

Filesize
4KB

Download
memory/2628-11-0x0000000000260000-0x000000000027E000-memory.dmp

Filesize
120KB

Download
memory/2628-25-0x000007FEF5433000-0x000007FEF5434000-memory.dmp

Filesize
4KB

Download
memory/2820-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2820-10-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-1-0x0000000001260000-0x0000000001268000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads