monster | 7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a

Analysis

max time kernel
14s
max time network
21s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 17:36

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe
Size

10.7MB
MD5

f7f9d3c98351d9be736e7aafb3563561
SHA1

1f60f25b4b8f3f38a9f40680289554216c2f9924
SHA256

7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a
SHA512

fed3e1bb950d746f1ed4dffeb88259b2a6e8ad40afe161469e8b0cff7c70e40617d3ca1dffc2899d3ac35790d1817f1d54724ead5d5941d485c6c67070070a87
SSDEEP

196608:es+j9q6y7PuZANMUgvUExd8zeiHf/jC51U7BlUdinrDRQF6f1:eNBly7Pum3gvizei/rMGBa4nr1jt

Score

10^/10

monster stealer

Malware Config

Signatures

Detects Monster Stealer. 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000018f82-35.dat	family_monster
behavioral1/memory/2764-40-0x000000013F480000-0x00000001406BE000-memory.dmp	family_monster

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

Executes dropped EXE 1 IoCs

pid	Process
2764	stub.exe

Loads dropped DLL 2 IoCs

pid	Process
1140	7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe
2764	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 1140 wrote to memory of 2764	1140	7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe	30
PID 1140 wrote to memory of 2764	1140	7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe	30
PID 1140 wrote to memory of 2764	1140	7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe	30

C:\Users\Admin\AppData\Local\Temp\7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe
"C:\Users\Admin\AppData\Local\Temp\7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Local\Temp\onefile_1140_133650202336720000\stub.exe
  "C:\Users\Admin\AppData\Local\Temp\7bb30c9b75980b7bcd755d2d968077a2c8c582a0ca11e86ae9454d067182139a.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2764

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\onefile_1140_133650202336720000\python310.dll

Filesize
4.3MB

MD5
c80b5cb43e5fe7948c3562c1fff1254e

SHA1
f73cb1fb9445c96ecd56b984a1822e502e71ab9d

SHA256
058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

SHA512
faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81

Download Submit
\Users\Admin\AppData\Local\Temp\onefile_1140_133650202336720000\stub.exe

Filesize
18.0MB

MD5
29c69826ec2d163248c5c197bca46bf9

SHA1
09bbc60b1cb75a889cf1f3e69b559614756ce5b2

SHA256
97fac7dcecc7df1aa7e772929db5f13b6397097b729be7c809f4313906f7c844

SHA512
f1ed496499adcbff74a1f01d7beb0823533292d436054519d1a1c18ce6ba1b3d63073f36ccc886a60347dc06e1d7a4a715811b95f084d16513051658133c8dbf

Download Submit
memory/1140-75-0x000000013FE10000-0x00000001408E7000-memory.dmp

Filesize
10.8MB

Download
memory/2764-40-0x000000013F480000-0x00000001406BE000-memory.dmp

Filesize
18.2MB

Download