6e02c7903c0d868e5e15df61e383f5fea70fbe1632d5876cb160a05b3f378d6b

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-01-2024 21:27

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General

Target

2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe
Size

45KB
MD5

cf171599c33712c9d9974459532e1b1f
SHA1

ada459e1445488b0a4df3241b8f7cc685fd4ee8d
SHA256

6e02c7903c0d868e5e15df61e383f5fea70fbe1632d5876cb160a05b3f378d6b
SHA512

50cdfcb60fd42209a2935fff7476b97cbd86a8b35bbfb78a4cf322bbbd3825f8f8ee0ef1a68b70dd40f20d6aa67edc16fcbeb5a8cb0482cd651db86ce1a984ec
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvb:bgGYcA/53GAA6y37nbz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001225c-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2116	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2432	2024-01-26_cf171599c33712c9d9974459532e1b1f_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 2432 wrote to memory of 2116	2432	2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe	28
PID 2432 wrote to memory of 2116	2432	2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe	28
PID 2432 wrote to memory of 2116	2432	2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe	28
PID 2432 wrote to memory of 2116	2432	2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-26_cf171599c33712c9d9974459532e1b1f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2116

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\hasfj.exe

Filesize
45KB

MD5
8ea04a0c252f9ffd8598c391c1b419cd

SHA1
f41c477dc5dcde744b204342347fa5cd535c2473

SHA256
8d079f451ce98ed2a263e4a530e75e6b1fd0cb1ff60c5b0e632c7d2701a7c1fb

SHA512
b26d69e83e1702d40950428767fadabd3fe1adc876cab33a1e9abe8b17de4273337b8d8ae948bdcf8e7d9c82a1d51bd60fcdd37751e9213a3ae0024a95e6711e

Download Submit
memory/2116-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2116-16-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2432-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2432-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2432-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download