6df373e963643be68009e0a7f1ebadf7ac59ca3bd67866410400cf84dec3f1c5

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 20:24

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General

Target

2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe
Size

34KB
MD5

1a5f6a47f25b2a0fd845762f58a2b2c8
SHA1

b3bb18a2f9c54c88143f71d9b2613678af051777
SHA256

6df373e963643be68009e0a7f1ebadf7ac59ca3bd67866410400cf84dec3f1c5
SHA512

b36df6704e103fd893fbf225ab5a725c20b4bc56f34e3819f5b8268de804a3426684c0cf0575b1795b7ddb6270e2a366ad7cbf01f66d46c1bc3dc88cbd825cd3
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lmO:bA74zYcgT/Ekd0ryfjPIunqpeNswm9O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012238-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2700	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2220	2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_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 2220 wrote to memory of 2700	2220	2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe	28
PID 2220 wrote to memory of 2700	2220	2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe	28
PID 2220 wrote to memory of 2700	2220	2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe	28
PID 2220 wrote to memory of 2700	2220	2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_1a5f6a47f25b2a0fd845762f58a2b2c8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2700

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
34KB

MD5
5fed854ed3a0ea6292d3c5297382d43a

SHA1
c4e71daa272cc0d41aa73099db2922cc21f1ed78

SHA256
f721208a5c1d24db4eaf20cceb9eddf97f90ab36328dc03e0986f8faf4273aaa

SHA512
8029fd79e390218589e789c56d1b96dde2d8eec63be0d8f752ae4aa45f8390395053692718d94a7414af84aaa7eb1b43101ccc1c4c9906f60e78714b8e7cb15b

Download Submit
memory/2220-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2220-1-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2220-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2700-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2700-22-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download