9bb714ef74350ba0382f95362a2dda5519ea005d5dc1848a957302eb87d3ee8e

Analysis

max time kernel
154s
max time network
167s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 19:50

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General

Target

2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe
Size

386KB
MD5

6f523fadedc19d6c39626460fdc1b2e5
SHA1

6303f75b3b947d0e131b38105902566ec1d776f9
SHA256

9bb714ef74350ba0382f95362a2dda5519ea005d5dc1848a957302eb87d3ee8e
SHA512

7a33f211fc2c6ecadbfcfca78d62bef7b8feea5c19909042d73d0ae7c51dd26e26d33f9430f8431b562988dbdd800451ac07ed3815137a090aac44a631f7f0d5
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXw:nnOflT/ZFIjBz3xjTxynGUOUhXw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012266-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2684	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_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 2224 wrote to memory of 2684	2224	2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe	28
PID 2224 wrote to memory of 2684	2224	2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe	28
PID 2224 wrote to memory of 2684	2224	2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe	28
PID 2224 wrote to memory of 2684	2224	2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-19_6f523fadedc19d6c39626460fdc1b2e5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2684

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
6eb26cdcaca8092b86ff2651fe255420

SHA1
df07f2d2e801f6f34bd7db1f6180f58d85a0e2af

SHA256
517e91beeb45f26343a614d76e663bbe01a89519069f3e959114b605220a2dfd

SHA512
1ac60e9f21c6c6b3bd64260017b38a9fe12d590f2ab345f1ef7a6997996bcb9a507ad69c49cfc8245114c20e3576aad2fcc80a47b78741ec1f9994bc3932d228

Download Submit
memory/2224-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2224-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2684-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2684-22-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download