8020f1c82b1603040eda3315b16912bac48fe2f6ebd3c2cf1269a653a4a67bb6

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 04:46

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General

Target

2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe
Size

48KB
MD5

5d6b0bb937f4d170febd529d9f4de43a
SHA1

1beb0d6e8b7fcca485f84fe31ac6bb30c76ff4de
SHA256

8020f1c82b1603040eda3315b16912bac48fe2f6ebd3c2cf1269a653a4a67bb6
SHA512

5dc10bd443bf83210430047102be80acaed1e397cf58a985021dc01a7565b3e458223e0b27ac3eba7c68f7e1fd64e6bf08875bfd3df6e9302049822caf1c795c
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojaklw:V6a+pOtEvwDpjn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012247-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012247-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2748	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2448	2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_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 2448 wrote to memory of 2748	2448	2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe	28
PID 2448 wrote to memory of 2748	2448	2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe	28
PID 2448 wrote to memory of 2748	2448	2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe	28
PID 2448 wrote to memory of 2748	2448	2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-13_5d6b0bb937f4d170febd529d9f4de43a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2748

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
48KB

MD5
edef51c09e4a2c3a2541c5c44edd1746

SHA1
0828fef13c305e578e39ea40aa7693ef9ae4ea70

SHA256
713923499058cadd1818ac566832715e95c2b9e6ed8a260d1fc137fcbc753f76

SHA512
bf9aa2b2f0c6a74d9fdb1ca38a0e2140ac7a8872fdd7738430139309854159cd9b38ac4799e467e8668ca8bd7ea83466c226a46e52385b63227b301a97b97766

Download Submit
memory/2448-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2448-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2448-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2748-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download