monster | c0e7d1d19d8d48d10db4458cfee55d4926e3bbe72147c8d7e6c0fbd1c33e66ec

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-02-2025 18:17

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General

Target

Monster.exe
Size

10.7MB
MD5

f48d8f28e2b8138e30b5031ae90f79f9
SHA1

6c6e00d7a5a295f7814f082c5650070c25e868ab
SHA256

c0e7d1d19d8d48d10db4458cfee55d4926e3bbe72147c8d7e6c0fbd1c33e66ec
SHA512

ea066497681861fa7ce2e7234569415c2621f9a80ef3dc7c86ac8bb382f697025ec87003b28f389e164f64aaccefb950917978772cb6b5a21fd18bf766f1f6a0
SSDEEP

196608:uWx18CmQ6ADFxwNpp1v7QFpsslzon4s0D7uKj00qgDyp4EA2EQ2nEEgh:uA18CmUFSNpjcesla4s0DCB7NMEE

Score

10^/10

monster stealer

Malware Config

Signatures

Detects Monster Stealer. 2 IoCs

resource	yara_rule
behavioral1/files/0x000800000001932a-35.dat	family_monster
behavioral1/memory/2856-40-0x000000013F710000-0x0000000140946000-memory.dmp	family_monster

Monster
Monster is a Golang stealer that was discovered in 2024.
stealer monster
Monster family
monster

Executes dropped EXE 1 IoCs

pid	Process
2856	stub.exe

Loads dropped DLL 2 IoCs

pid	Process
1688	Monster.exe
2856	stub.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2856	1688	Monster.exe	30
PID 1688 wrote to memory of 2856	1688	Monster.exe	30
PID 1688 wrote to memory of 2856	1688	Monster.exe	30

C:\Users\Admin\AppData\Local\Temp\Monster.exe
"C:\Users\Admin\AppData\Local\Temp\Monster.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\onefile_1688_133835986814426000\stub.exe
  "C:\Users\Admin\AppData\Local\Temp\Monster.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\AppData\Local\Temp\onefile_1688_133835986814426000\python310.dll

Filesize
4.3MB

MD5
c80b5cb43e5fe7948c3562c1fff1254e

SHA1
f73cb1fb9445c96ecd56b984a1822e502e71ab9d

SHA256
058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

SHA512
faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81

Download Submit
\Users\Admin\AppData\Local\Temp\onefile_1688_133835986814426000\stub.exe

Filesize
17.9MB

MD5
6670b9a06b5ab7fb49ca6d5e56f43be0

SHA1
8d5cf860b24a4b5a10e3b0fd431df823836c97c5

SHA256
17a9b376d9eeeb3bf20a25629f6724540c3f6dbbf24672204e1a8e50b79f45df

SHA512
30da6a2c4d98b4ca24f694030d33d5d8e252109f0c187d2a7482fc45747d6d1f24170643f4a414310f5f5fa71be3109b796338d376d880481c5316a4b0b87c6c

Download Submit
memory/1688-75-0x000000013F500000-0x000000013FFD5000-memory.dmp

Filesize
10.8MB

Download
memory/2856-40-0x000000013F710000-0x0000000140946000-memory.dmp

Filesize
18.2MB

Download