6e40b98719c61854c673bc6af47d0031259646c1620426ef5b691ac4af3e72c5

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 18:46

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General

Target

2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe
Size

40KB
MD5

2afd3d4d709097f4d004236db5cc89e0
SHA1

1cf0aa0b95fbe292a219cdec04ffb5b6485b7842
SHA256

6e40b98719c61854c673bc6af47d0031259646c1620426ef5b691ac4af3e72c5
SHA512

f4c980f118514b8246d045f52d8873391f67412a3980d92457d5715a83fc2cbd2fd6d7f0b0dca25861b518c4704e39edbbb02aa04c674a166731b0352ed81f3e
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5co9+slY:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+su

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2980	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_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 2240 wrote to memory of 2980	2240	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	28
PID 2240 wrote to memory of 2980	2240	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	28
PID 2240 wrote to memory of 2980	2240	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	28
PID 2240 wrote to memory of 2980	2240	2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_2afd3d4d709097f4d004236db5cc89e0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2980

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
40KB

MD5
ddebd1a42ece6531d1697f2aabeffdaa

SHA1
893dc9d624b7b5f8b321059ab7432f6d02d45ef9

SHA256
c6d362936c03ef092c598170db56dae01690ffcadc73ea5c22c8eaf4168b7491

SHA512
62d4047d5cdf12106b88a9ba36ca592230dff61874a59d1887df4075367e3b50e62e465ca4a6ea682beba2c526018a200cfd5d988c134bb81cbbc1b36934dfa2

Download Submit
memory/2240-0-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2240-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2240-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2980-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2980-22-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download