fd3babd9c6af7daa821380ecf917428eaf496a40d0676d37c55cefc83a78c38c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 01:25

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General

Target

2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe
Size

44KB
MD5

7408c7d1b4f110b3508c8e04b6833393
SHA1

5b3db3bcb4aad16677c00e6a84dae1ee726ab76f
SHA256

fd3babd9c6af7daa821380ecf917428eaf496a40d0676d37c55cefc83a78c38c
SHA512

5976d329397f406deb014220c99c6b9596e0f56a5b40f0db43e1d91a084ce3d8fd54aa1020a7ab2dbf71911d4fb2b796a7c6333d5208adfde8fde459ca569eea
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9H7Zc:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt7e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2884 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe

pid process

1200 2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2884	asih.exe

pid	process
1200	2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe

description	pid	process	target process
PID 1200 wrote to memory of 2884	1200	2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe	asih.exe
PID 1200 wrote to memory of 2884	1200	2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe	asih.exe
PID 1200 wrote to memory of 2884	1200	2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe	asih.exe
PID 1200 wrote to memory of 2884	1200	2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_7408c7d1b4f110b3508c8e04b6833393_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2884

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
45KB

MD5
c73c0d3fffe2114de597abf2c6879fbb

SHA1
13a06ecde941e3a9e4549d2fe859f087ac239cdd

SHA256
f0714389d2f64ae7ca9d1e988b7a6c1dbad012d6e9a2062452cca4ea275c6ad4

SHA512
bdf7dfa47200615e6af5582c54c9ffa56daf464302b2ee4355490878a719b349c217f49b73074f3932d08a35fb5f0cbf6b999ab9666d14f08f093b00e9890c05

Download Submit
memory/1200-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1200-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download