22ea925b75a9cd8a74a43c197e93bf1854e9cf2235e1f34e224fb1f595a477c1

Analysis

max time kernel
140s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 23:39

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General

Target

2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe
Size

95KB
MD5

d714293b8db427cb24110897c8314eea
SHA1

075830776ce16d0336413a6c69442fbf411f2cc8
SHA256

22ea925b75a9cd8a74a43c197e93bf1854e9cf2235e1f34e224fb1f595a477c1
SHA512

374698ae3656791e0fbc463567cf0b121dcee915d19de9c5e9f650144a925dd80289836d33b97316a28471e0582aa82fc0043a8e3ede6889ddd9b4a12b4c0c97
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpYg:V6a+pOtEvwDpjtza

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012263-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012263-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2256	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1364	2024-02-17_d714293b8db427cb24110897c8314eea_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 1364 wrote to memory of 2256	1364	2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe	28
PID 1364 wrote to memory of 2256	1364	2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe	28
PID 1364 wrote to memory of 2256	1364	2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe	28
PID 1364 wrote to memory of 2256	1364	2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_d714293b8db427cb24110897c8314eea_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2256

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\asih.exe

Filesize
95KB

MD5
daf3398da2fc59c5f9a23b65a627309c

SHA1
a65242caade737d225cac6251f4ff6bc992e91da

SHA256
7b4435e0d545b2cee7606a22640bb8acc5ba66899a70ce4bfba1480fb3534d41

SHA512
438f894dbda30ca98c9a1b3b568a7683cf88387e5d43ea6cc0d41da6743225c24f87b7c47daef749c6747490fce66843c5574b9e155a877ec323cad1517db28f

Download Submit
memory/1364-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1364-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1364-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2256-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download