d0cea6a5b39c0807a2ff7170bec89c860127796728e206bbad5db5c31322f3e1

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 04:45

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General

Target

2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe
Size

38KB
MD5

0b0021ad25d3e63f976313fd24efe115
SHA1

30fcd8cfb8a5174167d01fba1f96306d48ece1dc
SHA256

d0cea6a5b39c0807a2ff7170bec89c860127796728e206bbad5db5c31322f3e1
SHA512

b52615f702da3f1ed10877d82d238ec2630784f84c7c1be68ad121bfdf4945341a4420881d39022954b548976caac74b97ed68bd50fb8d1d6e89fe31fd9f936e
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wST:X6QFElP6n+gJQMOtEvwDpjBsYK/T

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012266-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012266-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2308	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	2024-02-24_0b0021ad25d3e63f976313fd24efe115_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 2164 wrote to memory of 2308	2164	2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe	28
PID 2164 wrote to memory of 2308	2164	2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe	28
PID 2164 wrote to memory of 2308	2164	2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe	28
PID 2164 wrote to memory of 2308	2164	2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_0b0021ad25d3e63f976313fd24efe115_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2308

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
39KB

MD5
cade9e010f9b035d28ea3f2822b5778a

SHA1
5dca143b22cef24c49e6c73267f8846dab7207c9

SHA256
1b7216b7d147caf8ba5933338a2e12a0c6379494a3ca3141abe02798c304b667

SHA512
ba90fcdff8ff3c41b497893b28a4e6a4faa1580c7f51768e8458722bc544c36f8f65a4f7abd401e0d79d66d2c74a1c1264bf4ba5e47d2c82514422dbf8f4aa36

Download Submit
memory/2164-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2164-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2164-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2308-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2308-17-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download