77b9b21c3349716bd9655e7f8f7f6841d96a00261f660b0b66e840cfe58905ab

Analysis

max time kernel
143s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 11:18

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General

Target

535fcdf7d80f74f1230a9c890b422c2e.exe
Size

869KB
MD5

535fcdf7d80f74f1230a9c890b422c2e
SHA1

0a6b1860ed1a3587e9da468a8877e59eb60b3fd1
SHA256

77b9b21c3349716bd9655e7f8f7f6841d96a00261f660b0b66e840cfe58905ab
SHA512

37ab11c35df35c0a49b7678daa1c750d474b2314478fdc7736b5bda5df6d4a3e006dfb821f5459862d1d2d68c042785d6808e29fc638488442fc579b85a2a494
SSDEEP

24576:njOwWeegy4mh3ujUw4z9zBBVKxkyP/s1DE:nj6VXajUpVBmkyM1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2328	bbs.exe

Loads dropped DLL 2 IoCs

pid	Process
2988	535fcdf7d80f74f1230a9c890b422c2e.exe
2988	535fcdf7d80f74f1230a9c890b422c2e.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2328	2988	535fcdf7d80f74f1230a9c890b422c2e.exe	28
PID 2988 wrote to memory of 2328	2988	535fcdf7d80f74f1230a9c890b422c2e.exe	28
PID 2988 wrote to memory of 2328	2988	535fcdf7d80f74f1230a9c890b422c2e.exe	28
PID 2988 wrote to memory of 2328	2988	535fcdf7d80f74f1230a9c890b422c2e.exe	28

C:\Users\Admin\AppData\Local\Temp\535fcdf7d80f74f1230a9c890b422c2e.exe
"C:\Users\Admin\AppData\Local\Temp\535fcdf7d80f74f1230a9c890b422c2e.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\bbs.exe
  "C:\Users\Admin\AppData\Local\Temp\bbs.exe"
  2⤵
  - Executes dropped EXE
  PID:2328

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

\Users\Admin\AppData\Local\Temp\bbs.exe

Filesize
51KB

MD5
9e35c4e31a403055820a381cb00b57f9

SHA1
6368a0064bfe8dc8b336f22d83ab667f2e671b2d

SHA256
da544b0414ed25cf6e365a7086d6f0dc2a2c3043450d79002c3c503aaaa62914

SHA512
4e0ff2cc0681d592ff371f7de0850989226bba89c7671e022fffffc434cf14a80775186d272e1b35808b046a667d4dd8e74d98116eac622e1b5ec0cee85d02a2

Download Submit
memory/2328-12-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2988-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2988-10-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2988-11-0x0000000010000000-0x0000000010010000-memory.dmp

Filesize
64KB

Download
memory/2988-13-0x0000000000400000-0x00000000004E0000-memory.dmp

Filesize
896KB

Download
memory/2988-15-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download