9d1b6ba2432d937ae94a0f82d3960d24c0b98c06e987fe5fe44e9f3227f23a00

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 21:44

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General

Target

2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe
Size

42KB
MD5

c6279a6c94a674ba24026bdc1ea4ccd9
SHA1

ed39c129cf36c57b751e91f04c681890f0bcf08a
SHA256

9d1b6ba2432d937ae94a0f82d3960d24c0b98c06e987fe5fe44e9f3227f23a00
SHA512

7180caf66a519a2214e9aaf3926d63d983d2047dd1eaa35ffc393b6251c7d9e02a917cd695a66d530711f150f67c3dcab33c3c4370036d69b3fc560c0af17ea6
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+syI:bgGYcA/53GADw8Cl/I

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122d5-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2492	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2528	2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_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 2528 wrote to memory of 2492	2528	2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe	28
PID 2528 wrote to memory of 2492	2528	2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe	28
PID 2528 wrote to memory of 2492	2528	2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe	28
PID 2528 wrote to memory of 2492	2528	2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_c6279a6c94a674ba24026bdc1ea4ccd9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
42KB

MD5
f1708ef010b960fff1431a684f5552ef

SHA1
648cc6d4ee6c5a97ed16b6d947eb6a4abb804300

SHA256
dad83a2907541c7f4a2b00bcee91ce327ae1793ce64d93ad7c35d22a1f07bcd1

SHA512
f3e89811d2805f3a0e3222c8e8248963780fb51d6ccdf0b3210c54c9803f186be772cebe15fc29d0323f9475a843274109d5860e01261373eb307226689cf5cf

Download Submit
memory/2492-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2492-18-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2528-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2528-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2528-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download