monster | 573f342d6d290b6947b635b732a76d6914cd5f07fa9e6f35a6694367cc42ff21

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 19:10

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General

Target

BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe
Size

10.7MB
MD5

c09ff1273b09cb1f9c7698ed147bf22e
SHA1

5634aec5671c4fd565694aa12cd3bf11758675d2
SHA256

bf8ce6bb537881386facfe6c1f9003812b985cbc4b9e9addd39e102449868d92
SHA512

e8f19b432dc3be9a6138d6a2f79521599087466d1c55a49d73600c876508ab307a6e65694e0effb5b705fdecdd0e201f588c8d5c3767fe9ae0b8581c318cadac
SSDEEP

196608:JYPBUPXmkw/NHIAj3DxH9pIKwp4+WY6Z0sU+FNuQ4zOZ+1ak3Yzb5:JYpe25NHIAj3D1rf+WYwUaMrz5aP/

Score

10^/10

monster stealer

Malware Config

Signatures

Detects Monster Stealer. 2 IoCs

resource	yara_rule
behavioral1/files/0x00070000000186ed-35.dat	family_monster
behavioral1/memory/652-40-0x000000013FFE0000-0x0000000141215000-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
652	stub.exe

Loads dropped DLL 2 IoCs

pid	Process
2396	BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe
652	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 2396 wrote to memory of 652	2396	BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe	30
PID 2396 wrote to memory of 652	2396	BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe	30
PID 2396 wrote to memory of 652	2396	BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe	30

C:\Users\Admin\AppData\Local\Temp\BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe
"C:\Users\Admin\AppData\Local\Temp\BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\onefile_2396_133746162294468000\stub.exe
  "C:\Users\Admin\AppData\Local\Temp\BF8CE6BB537881386FACFE6C1F9003812B985CBC4B9E9ADDD39E102449868D92.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:652

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_2396_133746162294468000\python310.dll

Filesize
4.3MB

MD5
c80b5cb43e5fe7948c3562c1fff1254e

SHA1
f73cb1fb9445c96ecd56b984a1822e502e71ab9d

SHA256
058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

SHA512
faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81

Download Submit
\Users\Admin\AppData\Local\Temp\onefile_2396_133746162294468000\stub.exe

Filesize
17.9MB

MD5
972d9d2422f1a71bed840709024302f8

SHA1
e52170710e3c413ae3cfa45fcdecf19db4aa382c

SHA256
1c666df4eafab03ecde809ffbc40dd60b8ac2fe7bdca5632c5c4002254e6e564

SHA512
3d84252756dcb4820b7794e9a92811d32631b9f3e9bd1a558fd040736b1472c0d00efb6ff7a13ae3bcd327f3bfac2b6ad94a5a3dfbc8ba54511a366c4f4727a6

Download Submit
memory/652-40-0x000000013FFE0000-0x0000000141215000-memory.dmp

Filesize
18.2MB

Download
memory/2396-75-0x000000013F590000-0x0000000140065000-memory.dmp

Filesize
10.8MB

Download