9506bec130dd8abdc4b3142ccbb9ca36c9c0191a2863974ae286177aa5a1002e

Analysis

max time kernel
151s
max time network
158s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12-03-2024 05:03

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General

Target

2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe
Size

386KB
MD5

ffacfe707f6f40655726d3ea9edc56c4
SHA1

2e6ebe48fb1a2f487e000933abe2369c74cf1a72
SHA256

9506bec130dd8abdc4b3142ccbb9ca36c9c0191a2863974ae286177aa5a1002e
SHA512

3ba0ca52534cbd8a85bdc8ae9eb9f81b6ae70977c7f1459935a076fb10c1c414018c9a5314e9d00bb2368d9f705ec356320beb14e6a9d210cac9c93aca3e80d0
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXI:nnOflT/ZFIjBz3xjTxynGUOUhXI

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2516	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2176	2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_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 2176 wrote to memory of 2516	2176	2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe	28
PID 2176 wrote to memory of 2516	2176	2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe	28
PID 2176 wrote to memory of 2516	2176	2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe	28
PID 2176 wrote to memory of 2516	2176	2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_ffacfe707f6f40655726d3ea9edc56c4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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\hasfj.exe

Filesize
386KB

MD5
53e39e187c062e3e68ceb57b75ed7986

SHA1
751ce5c43586a1c7e4941e0d8b236c85ff99906e

SHA256
da1e0e017e568a3d59632d384926a376ae02bf74f3286d231c6ecf57cb1ca614

SHA512
8df991b62c4df0d0d9a5b8c43ae48c6b3bdedc9ec02022ec70b8fe6676a7cecb82d646655a10e5c27f36165d6340defe2a20cc77656d2b78c24ba0679bf6f8e8

Download Submit
memory/2176-0-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2176-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2516-16-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download