181d49c7273d1caad71fa2656ad575faf418d2d1387cdcd27fd8461bd5e2225b

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
behavioral2/files/0x0008000000023208-12.dat	CryptoLocker_rule2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4548	pissa.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 4548	2256	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	91
PID 2256 wrote to memory of 4548	2256	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	91
PID 2256 wrote to memory of 4548	2256	2024-03-19_dac6616f86cad310d97e65463d285906_cryptolocker.exe	91

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⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\pissa.exe
  "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
  2⤵
  - Executes dropped EXE
  PID:4548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\pissa.exe

Filesize
31KB

MD5
202f0dbd7813a828f16cebb21ab14ba7

SHA1
071b0ee84b7171aa0d16d92c3d5d3c7eb059d5c7

SHA256
3a3cd3e326acb3c1d2027eca401dee1c6155d9f100cefde05ac40e33d08eba39

SHA512
fde38a47f2da9b1687705464b4f10ecd6b3c62a29316d8b20018c3f3fb69ab957ddf1ce44dc36a5e6f99fb13c88edd05efffbd34d18ac4d17361d975bfb1e20e

Download Submit
memory/2256-0-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2256-1-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/2256-2-0x0000000002290000-0x0000000002296000-memory.dmp

Filesize
24KB

Download
memory/4548-19-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/4548-17-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download