32cd15a814c2b36d0867d30af757d102662ddb3213a9a797b05416778d0ee7ca

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14-05-2024 04:39

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General

Target

2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe
Size

66KB
MD5

f90d1fa798d55e959df892c3cfc472f2
SHA1

30863083707ed3056f316563127404da57a3539e
SHA256

32cd15a814c2b36d0867d30af757d102662ddb3213a9a797b05416778d0ee7ca
SHA512

ef979c387c43e9e34f8a1ec14d31bc2393d8a17ea14b32d2be3f2d990f1775477c0d4e59c3b2b94584952023db355f65b5d006e5ca68d0d9eabb51cef5f90980
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVCbmh854:V6a+pOtEvwDpjvv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122d1-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122d1-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2540	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2292	2024-05-14_f90d1fa798d55e959df892c3cfc472f2_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 2292 wrote to memory of 2540	2292	2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe	28
PID 2292 wrote to memory of 2540	2292	2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe	28
PID 2292 wrote to memory of 2540	2292	2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe	28
PID 2292 wrote to memory of 2540	2292	2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-14_f90d1fa798d55e959df892c3cfc472f2_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2540

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
66KB

MD5
bdf37a71848a826058f82479d03cd28b

SHA1
071194218bea7ca7192973292a65d4177334e64a

SHA256
618e5995ffb4f796a679cd86f25d0f1d0314b31b78bcdb4310e279a2766c68ae

SHA512
42b0288551ec51b02865902c05d85359ef77d9e51b41418a3d3e864c09da750aedd38a07eb6bcbc03c92216d0bd3afe77330eadd83137d1d764d3693a791aa3b

Download Submit
memory/2292-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2292-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2292-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2540-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2540-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download