8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01/09/2023, 07:25

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General

Target

8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe
Size

4.2MB
MD5

3f164ee0d0e87124fe95ed1045531ccf
SHA1

8e6adeadb348f053ecb498ee7128678b1e5d01ed
SHA256

8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5
SHA512

c24ae2e6ec35d2cc7e1704c3a3712e450981a6e6acb2de0a3208e5746b835e556052c5a43260974e4e902e715e3cb3e59122a232dba3ee1ae29ae88d7776f15c
SSDEEP

98304:TQBH4eR+zhPbbDZggZP3FLOAkGkzdnEVomFHKnP:2D+zVtZfFLOyomFHKnP

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2944	8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe
2944	8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2952	2944	8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe	28
PID 2944 wrote to memory of 2952	2944	8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe	28
PID 2944 wrote to memory of 2952	2944	8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe	28

C:\Users\Admin\AppData\Local\Temp\8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe
"C:\Users\Admin\AppData\Local\Temp\8a312c1adbab21316667497c25b5b90f30785cafe869944708d80f061a8db4e5.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\说明.txt
  2⤵
  PID:2952

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\说明.txt

Filesize
225B

MD5
4e9997eb63b943bda0d371389debc98e

SHA1
0be3aa7bd83473d3bb21ddf69a1e7a92027cdeb1

SHA256
8490d419e5ed4b548cb3093aeb6230090878c79f41ff3fd980b3c35450a339fb

SHA512
cba438ecd479bee8f0e17180a4acca70f89dc93c6f82ef81d68853a4e9ce11c89d76a8c3a3af8ceb0d6fe13d28e6416eef44db4dd56202f0d23213c13d3da77f

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