8417545a231a67fcb45d72a9a954542d771141600858596f7993cbe2005c618a

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 17:48

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe
Size

47KB
MD5

f23664ba2ac4877acfe2864827d7dd51
SHA1

f8f3bf5e10141e4a73f8314871435c4079ab8b12
SHA256

8417545a231a67fcb45d72a9a954542d771141600858596f7993cbe2005c618a
SHA512

a8b1ef6fef5646f1259d15e53b94746216af83d642cb64ff01db71c91b89cd246c546b8298e571250bbb35c48fd44a07060ec5986e4af9977581aa57a5c05e81
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsU:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1m

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2796	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
856	2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.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 856 wrote to memory of 2796	856	2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe	28
PID 856 wrote to memory of 2796	856	2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe	28
PID 856 wrote to memory of 2796	856	2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe	28
PID 856 wrote to memory of 2796	856	2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_f23664ba2ac4877acfe2864827d7dd51_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:856
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2796

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

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

Filesize
47KB

MD5
ad0a3f293a8e8e8314586398cc9f3b4c

SHA1
528d5dfe0be8658bcb99687be7c7b63e38212aa5

SHA256
64881d178b3b15a5f19e7fb8799b0129403c1a36eebfdecb1a5906908a8df715

SHA512
921c242bb0a0ebc0ab3b96909df416f6ed05f3aba211ff2d2284331fd5687a515988a865373a37bd1a1ed2a138d76460b243b59b4b9d99a807e9c262c81f4734

Download Submit
memory/856-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/856-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/856-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2796-14-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2796-16-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2796-21-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2796-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download