xworm | 658c7753e7dce4eb144263de241ac56f14eba3bd92cd6def3a073d685de484e0

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2025, 17:13

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General

Target

45.ps1
Size

196KB
MD5

042542aec94432fc2cafe9a239144312
SHA1

95d08386158d36b86873ea14b645ce047f56d9d7
SHA256

658c7753e7dce4eb144263de241ac56f14eba3bd92cd6def3a073d685de484e0
SHA512

fe62a3e661671b3d9ba0a913d3f1b8f4d4460636e990112a9aa1639dd31f145afb20365c185a18ae4eeb274e96aa5f4c5903617cb7e942fd0f0db842932ef9d4
SSDEEP

6144:72s1zAOok9Y3sOGnuerPkwo67g3Lk7pyFV50GuGdtqphBddqyIFr2JdyPrnxiNH2:7l1fO35

Score

10^/10

xworm discovery execution rat trojan

Malware Config

Extracted

Family

xworm

85.209.11.15:4404

Attributes

install_file
USB.exe

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2268-15-0x0000000000400000-0x0000000000416000-memory.dmp	family_xworm

Xworm
Xworm is a remote access trojan written in C#.
trojan rat xworm
Xworm family
xworm

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1964 set thread context of 2268	1964	powershell.exe	85

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
1964	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1964	powershell.exe
1964	powershell.exe
1964	powershell.exe
1964	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1964	powershell.exe
Token: SeDebugPrivilege	2268	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2088	1964	powershell.exe	84
PID 1964 wrote to memory of 2088	1964	powershell.exe	84
PID 1964 wrote to memory of 2088	1964	powershell.exe	84
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85
PID 1964 wrote to memory of 2268	1964	powershell.exe	85

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\45.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:2088
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\__PSScriptPolicyTest_vt2xn3ox.e53.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1964-14-0x0000025BFEE10000-0x0000025BFEE16000-memory.dmp

Filesize
24KB

Download
memory/1964-16-0x00007FFCBC1F0000-0x00007FFCBCCB1000-memory.dmp

Filesize
10.8MB

Download
memory/1964-11-0x00007FFCBC1F0000-0x00007FFCBCCB1000-memory.dmp

Filesize
10.8MB

Download
memory/1964-12-0x00007FFCBC1F0000-0x00007FFCBCCB1000-memory.dmp

Filesize
10.8MB

Download
memory/1964-13-0x0000025BFEDF0000-0x0000025BFEE0A000-memory.dmp

Filesize
104KB

Download
memory/1964-0-0x00007FFCBC1F3000-0x00007FFCBC1F5000-memory.dmp

Filesize
8KB

Download
memory/1964-19-0x00007FFCBC1F0000-0x00007FFCBCCB1000-memory.dmp

Filesize
10.8MB

Download
memory/1964-6-0x0000025BFEAC0000-0x0000025BFEAE2000-memory.dmp

Filesize
136KB

Download
memory/1964-20-0x00007FFCBC1F0000-0x00007FFCBCCB1000-memory.dmp

Filesize
10.8MB

Download
memory/2268-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2268-21-0x0000000074C2E000-0x0000000074C2F000-memory.dmp

Filesize
4KB

Download
memory/2268-22-0x0000000005410000-0x00000000054AC000-memory.dmp

Filesize
624KB

Download
memory/2268-23-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download
memory/2268-24-0x0000000074C20000-0x00000000753D0000-memory.dmp

Filesize
7.7MB

Download