7d5b85e958beac9bd2aee8f2799b3b529acb78106588c355987b25ee0e2a47a6

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 21:34

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General

Target

2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe
Size

45KB
MD5

bc7edf7fc917207928b49ffdce481798
SHA1

71d7da8400b9e8f12be44481bc3fba1e0dd5ab59
SHA256

7d5b85e958beac9bd2aee8f2799b3b529acb78106588c355987b25ee0e2a47a6
SHA512

9b1542cd87cfb605700a6c252a1070a35f8617d78fa395f1811de019e6b1eeb47ebd0db154a61f5db9e9b628fee00512c3774b87699d82fc7a9db3cbff72ec48
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9Hi:X6QFElP6n+gJQMOtEvwDpjBmzDkWDti

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3044	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	2024-07-01_bc7edf7fc917207928b49ffdce481798_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 2888 wrote to memory of 3044	2888	2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe	28
PID 2888 wrote to memory of 3044	2888	2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe	28
PID 2888 wrote to memory of 3044	2888	2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe	28
PID 2888 wrote to memory of 3044	2888	2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-01_bc7edf7fc917207928b49ffdce481798_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2888
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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
45KB

MD5
de94f6e8a8f46cbae9d72da05cd9012c

SHA1
c0342c33055c108e160b6ef2d1758156dce53e4c

SHA256
409f00f5de6a2bc70f45f3701563bc069ca28e8a55a3616e9b17c3f68e1f5f59

SHA512
ed5b4c55d89a4e20c4677c7fd4eea51d9646bde15732f462796e2703ce8db43286126ebdb7352701cf1ef2c9602702a7b89e48462e8626aa74329a08704c6c3a

Download Submit
memory/2888-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2888-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2888-8-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3044-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3044-15-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download