36db131862e9f38c5e47cdb4aa1a35a8c95904039c1e5cbda5b6ba728fbebd79

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2024 16:32

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General

Target

Neptune-Stealer/tools/run_script.exe
Size

33.1MB
MD5

d1a39d1fa53d8da2611ad91c91a1676e
SHA1

140b8851213dce617a029a03f6823a68511f3e26
SHA256

dbfc2291b18a27b4a17011028e88583f73c2fb3295858187dba4b768ff47b1ef
SHA512

d80698b0c3575f2579c4ddf02f0411384d0aab0537ce2c482f1ee5577228f7470858cf049d16251f8acd522a1cadc0da7b02a698f79d78d041cff62fd1fb342f
SSDEEP

393216:2QgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgW96l+ZArYsFRlI:23on1HvSzxAMNWFZArYsA

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

run_script.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	run_script.exe

Executes dropped EXE 1 IoCs

Processes:

BUILD.EXE

pid process

1976 BUILD.EXE
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1976	BUILD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

run_script.exe

description	pid	process	target process
PID 628 wrote to memory of 2812	628	run_script.exe	cmd.exe
PID 628 wrote to memory of 2812	628	run_script.exe	cmd.exe
PID 628 wrote to memory of 2812	628	run_script.exe	cmd.exe
PID 628 wrote to memory of 1976	628	run_script.exe	BUILD.EXE
PID 628 wrote to memory of 1976	628	run_script.exe	BUILD.EXE

C:\Users\Admin\AppData\Local\Temp\Neptune-Stealer\tools\run_script.exe
"C:\Users\Admin\AppData\Local\Temp\Neptune-Stealer\tools\run_script.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:628

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BUILD.BAT" "
2⤵
PID:2812

C:\Users\Admin\AppData\Local\Temp\BUILD.EXE
"C:\Users\Admin\AppData\Local\Temp\BUILD.EXE"
2⤵
- Executes dropped EXE
PID:1976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BUILD.BAT
Filesize
91B

MD5
a794bc485775970bd36a152e3ea978d9

SHA1
f80134b41b2bf238f8221e63d7e5d5b55f31c0f5

SHA256
4cc14a1b20011bd0a3b4ec7675b24b3d48bd4573156641c1355302dbfe411532

SHA512
daa45153287861978e5bbd0ea756eab20d2a39f1d295509d8ca3b5c2956e4555e7fdccc6373bb726a21b9be7f5ba181a06292727938f2312d898b27a361ceeff

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C:\Users\Admin\AppData\Local\Temp\BUILD.EXE
Filesize
33.1MB

MD5
d9b2d983c7241cd6d69bb8015ee5edf9

SHA1
31916fd8ef9556899b180a48a734c0bf4ea40bf3

SHA256
ae1e10a6bad5c5d27d3a73374b176f1adfcdfa0f83c576588930fd6d26627271

SHA512
0ed44b22be24f5208047f7e89ed3b5176bf23fac25884094d87c22c3081269604f9dad1feecd1709f3f05d843189bf75e16c828bf91a00140d486a37c675aa68

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