2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def

Analysis

max time kernel
151s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 15:17

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General

Target

2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe
Size

1.2MB
MD5

77a7453e1ef9aaccae6c8ce833470694
SHA1

9dc95fbc508734bdc60069faf4112c34cff8313e
SHA256

2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def
SHA512

3813cdd1cf34f7c91926e13f119951a484106dbfbb899595a9bc84131ff98ef4be0acc15462ec48e746646f6755ec00c901eff4eedb588cc6b1b4af9caf6c71f
SSDEEP

24576:vvs4Nb+6ub8BaKzBJSQxHuMJuI5uLr9j3GIH1qMQQyZ:vvpDLSgj5uLH8QyZ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1776	search.cmd

Deletes itself 1 IoCs

pid	Process
1740	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe

Loads dropped DLL 2 IoCs

pid	Process
1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe
1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1776	search.cmd

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1368 wrote to memory of 1776	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	29
PID 1368 wrote to memory of 1776	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	29
PID 1368 wrote to memory of 1776	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	29
PID 1368 wrote to memory of 1776	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	29
PID 1368 wrote to memory of 1740	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	30
PID 1368 wrote to memory of 1740	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	30
PID 1368 wrote to memory of 1740	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	30
PID 1368 wrote to memory of 1740	1368	2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe	30

C:\Users\Admin\AppData\Local\Temp\2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe
"C:\Users\Admin\AppData\Local\Temp\2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del c:\users\admin\appdata\local\temp\2FA9E3~1.EXE >> NUL
  2⤵
  - Deletes itself
  PID:1740

Network

MITRE ATT&CK Enterprise v6

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.2MB

MD5
77a7453e1ef9aaccae6c8ce833470694

SHA1
9dc95fbc508734bdc60069faf4112c34cff8313e

SHA256
2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def

SHA512
3813cdd1cf34f7c91926e13f119951a484106dbfbb899595a9bc84131ff98ef4be0acc15462ec48e746646f6755ec00c901eff4eedb588cc6b1b4af9caf6c71f

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.2MB

MD5
77a7453e1ef9aaccae6c8ce833470694

SHA1
9dc95fbc508734bdc60069faf4112c34cff8313e

SHA256
2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def

SHA512
3813cdd1cf34f7c91926e13f119951a484106dbfbb899595a9bc84131ff98ef4be0acc15462ec48e746646f6755ec00c901eff4eedb588cc6b1b4af9caf6c71f

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\search.cmd

Filesize
1.2MB

MD5
77a7453e1ef9aaccae6c8ce833470694

SHA1
9dc95fbc508734bdc60069faf4112c34cff8313e

SHA256
2fa9e31ff5159a6999592291830d7fcd1e5cc71c9a3556932b53c1dfaeb09def

SHA512
3813cdd1cf34f7c91926e13f119951a484106dbfbb899595a9bc84131ff98ef4be0acc15462ec48e746646f6755ec00c901eff4eedb588cc6b1b4af9caf6c71f

Download Submit
memory/1368-54-0x0000000076461000-0x0000000076463000-memory.dmp

Filesize
8KB

Download