monster | 2756f5355c545c03a2448f4f8db7132c9e2108cd26249fae1dcb173991544646

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 18:56

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General

Target

049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe
Size

10.7MB
MD5

cc7933b503e061ddde7158e108f19cc3
SHA1

41b74dc86cc1c4dde7010d3f596aacccf00b3133
SHA256

049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb
SHA512

87892a6f3e41ea43157cf13cc6402044ce41fd3d7eb7e456fced894c88d33786a80fa626c1b58436eba94997490256d2675598ba2e54b52affa64f5491c880a2
SSDEEP

196608:F46gBp3M/NHn3fY58FEjunH6Z0sU+FNuQ4zOZ+1ak3Yzb5:F46ksNH3J6qHwUaMrz5aP/

Score

10^/10

monster stealer

Malware Config

Signatures

Detects Monster Stealer. 2 IoCs

resource	yara_rule
behavioral1/files/0x00070000000186f1-35.dat	family_monster
behavioral1/memory/2968-40-0x000000013F480000-0x00000001406B5000-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
2968	stub.exe

Loads dropped DLL 2 IoCs

pid	Process
1628	049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe
2968	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 1628 wrote to memory of 2968	1628	049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe	31
PID 1628 wrote to memory of 2968	1628	049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe	31
PID 1628 wrote to memory of 2968	1628	049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe	31

C:\Users\Admin\AppData\Local\Temp\049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe
"C:\Users\Admin\AppData\Local\Temp\049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\onefile_1628_133746153853786000\stub.exe
  "C:\Users\Admin\AppData\Local\Temp\049f48024f31d86c5d8bf56c3da1d7be539c877ad189fb0c5aa9a228601d19eb.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2968

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_1628_133746153853786000\python310.dll

Filesize
4.3MB

MD5
c80b5cb43e5fe7948c3562c1fff1254e

SHA1
f73cb1fb9445c96ecd56b984a1822e502e71ab9d

SHA256
058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20

SHA512
faa97a9d5d2a0bf78123f19f8657c24921b907268938c26f79e1df6d667f7bee564259a3a11022e8629996406cda9fa00434bb2b1de3e10b9bddc59708dbad81

Download Submit
\Users\Admin\AppData\Local\Temp\onefile_1628_133746153853786000\stub.exe

Filesize
17.9MB

MD5
5ad46542eebe9910891770d619d7c4fa

SHA1
38b3d062740d4a350c3329f4e5d7627e4a980ef3

SHA256
6b0281ff5ec47dfabd801ecde7e55513e556ca6763a557bfb8f2c07b0e739bd5

SHA512
426aa5a0453dc0ad2494d43fdfa7d6c35f19770026650db413234859c34e9a1371272942e96d8741594a47832c4fb4391c217911bc65c6434d621f01995d1e64

Download Submit
memory/1628-75-0x000000013FFA0000-0x0000000140A75000-memory.dmp

Filesize
10.8MB

Download
memory/2968-40-0x000000013F480000-0x00000001406B5000-memory.dmp

Filesize
18.2MB

Download