181d49c7273d1caad71fa2656ad575faf418d2d1387cdcd27fd8461bd5e2225b

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19-03-2024 11:56

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General

Target

2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe
Size

31KB
MD5

dac6616f86cad310d97e65463d285906
SHA1

9b088808684486dcc5494be90f193d095a801845
SHA256

181d49c7273d1caad71fa2656ad575faf418d2d1387cdcd27fd8461bd5e2225b
SHA512

ef87944866dac0d4d72b0bf9a4bbf6beecfa23edc8a18510da381a37bf31636eed4ee7fdc1f70feda8639323e4b5d75c359299a0c3a4d86ff0c770383996658b
SSDEEP

384:buWbtjL8L1iE0eBhkzPbKAaomTqC9Mwf4fjDCgpmaPc4mb8YbkU:bxNQIE0eBhkL2Fo1CCwgfjOg9ArbkU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2532	pissa.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-03-19_dac6616f86cad310d97e65463d285906_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 2180 wrote to memory of 2532	2180	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	28
PID 2180 wrote to memory of 2532	2180	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	28
PID 2180 wrote to memory of 2532	2180	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	28
PID 2180 wrote to memory of 2532	2180	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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\pissa.exe

Filesize
31KB

MD5
202f0dbd7813a828f16cebb21ab14ba7

SHA1
071b0ee84b7171aa0d16d92c3d5d3c7eb059d5c7

SHA256
3a3cd3e326acb3c1d2027eca401dee1c6155d9f100cefde05ac40e33d08eba39

SHA512
fde38a47f2da9b1687705464b4f10ecd6b3c62a29316d8b20018c3f3fb69ab957ddf1ce44dc36a5e6f99fb13c88edd05efffbd34d18ac4d17361d975bfb1e20e

Download Submit
memory/2180-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000001C10000-0x0000000001C16000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2532-15-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2532-17-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download