monster | 18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 02:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe
Size

10.7MB
MD5

2cb47309bb7dde63256835d5c872b2f9
SHA1

8baa9effc09cf80b4a1bac1aa2aa92b38c812f1d
SHA256

18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e
SHA512

3db4a42cbf6bc26d77320bf747e7244e54320b5e6ebf6a65bfd731beb7e99958bc5b7e9fe3ab1579becd42c588789c2185be74f143d120041b0331b316017104
SSDEEP

196608:0fz2+H2MV7hNz9MAW6gqN7jurlhL3UfwtkABUZsNp24A2kfDhdGBeIz4:8n2MV9NZMAZgqNHupNkfEkABUSnjQF8

Score

10^/10

monster stealer

Malware Config

Signatures

Detects Monster Stealer. 2 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0009000000016f9c-35.dat	family_monster
behavioral1/memory/2504-40-0x000000013F740000-0x00000001407AB000-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

Processes:

stub.exe

pid	Process
2504	stub.exe

Loads dropped DLL 2 IoCs

Processes:

18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exestub.exe

pid	Process
2276	18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe
2504	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

Processes:

18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe

description	pid	Process	procid_target
PID 2276 wrote to memory of 2504	2276	18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe	31
PID 2276 wrote to memory of 2504	2276	18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe	31
PID 2276 wrote to memory of 2504	2276	18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe	31

C:\Users\Admin\AppData\Local\Temp\18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe
"C:\Users\Admin\AppData\Local\Temp\18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\onefile_2276_133750743285448000\stub.exe
  C:\Users\Admin\AppData\Local\Temp\18687a2ceebf3eda4a11a2ef0b1d85360d8837ad05c1b57f9f749ea06578848e.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2504

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

C:\Users\Admin\AppData\Local\Temp\onefile_2276_133750743285448000\python310.dll

Filesize
4.3MB

MD5
c80b5cb43e5fe7948c3562c1fff1254e

SHA1
f73cb1fb9445c96ecd56b984a1822e502e71ab9d

SHA256
058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

SHA512
faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81

Download Submit
\Users\Admin\AppData\Local\Temp\onefile_2276_133750743285448000\stub.exe

Filesize
16.2MB

MD5
9cb4cf7e6b271413430c9b3eea8aafa2

SHA1
5d789fc3756e2f5e113aeba0f9f3053e88db59b3

SHA256
0728e88b0c32282e2750d77d172c2454a0fa53bf6a093c7885c93641cf5e794f

SHA512
f34db1ba8e1083570318c05370cc24af61dd507532c1c867cd90cc6b5c7fbae2dfde9b4dc13edc1e5587efe74ebfdccfa2c0e095f2ae0477c49cdecc5e6d034b

Download Submit
memory/2276-75-0x000000013F410000-0x000000013FEE5000-memory.dmp

Filesize
10.8MB

Download
memory/2504-40-0x000000013F740000-0x00000001407AB000-memory.dmp

Filesize
16.4MB

Download