62d031caa297ac8017b5dbb385e9de83faf0c1226b42bd7db1260b00967ae9f8

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 21:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe
Size

42KB
MD5

5347c2d221600296e4382561710a5a41
SHA1

827ed28d83677831cdeb5b50f0c70d45d630d220
SHA256

62d031caa297ac8017b5dbb385e9de83faf0c1226b42bd7db1260b00967ae9f8
SHA512

e3c3bb4b7be33fae2405b7cf7bd0a103f5af058e1a0c3eeb3522652fe6fd1c73c701f676fd020f3ecc57033cddef0725a31c8624cd34549cf01ea03fbdbe8a50
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkp6T:vj+jsMQMOtEvwDpj5HW5Iis

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000013a1a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
964	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2420	2024-01-23_5347c2d221600296e4382561710a5a41_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 2420 wrote to memory of 964	2420	2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe	28
PID 2420 wrote to memory of 964	2420	2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe	28
PID 2420 wrote to memory of 964	2420	2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe	28
PID 2420 wrote to memory of 964	2420	2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_5347c2d221600296e4382561710a5a41_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:964

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
42KB

MD5
bc0ba7ebb03e0fe297cbddedfb092636

SHA1
8d8ebf8463ede9049210fdebfa74ba2aadf86a7d

SHA256
2c2182522998ba8bf8026860bdfcde7fd647473aaadf2f8db3cd66195ab3cdb9

SHA512
45b0ed41ebac7e82bb037ef245623ef63252485cf809fc1562a24eec63fe5594b9c6f620de9d0110f8bcaf8a12554e8904dfd94a5968bdbde1f069eeef5216af

Download Submit
memory/964-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/964-19-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2420-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2420-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2420-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download