dedfb357ebc86f411656b2703a5a3599173b2214021200ffd31188bfe05acfe5

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 23:29

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General

Target

2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe
Size

38KB
MD5

a56cb80c92601a6fd5c0ff3c5ff61eb6
SHA1

a69ba28c3fc8c8e368491d85af0ed22e132bfe1e
SHA256

dedfb357ebc86f411656b2703a5a3599173b2214021200ffd31188bfe05acfe5
SHA512

88535982624db6c9174734d3602f75932a0585b665dcbeebec36ee38419538aa811b0e200d357d876ce071afbed44b6a26d0915a6d11478e5c9ce1461902ba91
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5cZnfXE:bgX4zYcgTEu6QOaryfjqDDw3sCu5mXE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012262-22.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2716	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_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 2244 wrote to memory of 2716	2244	2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe	1
PID 2244 wrote to memory of 2716	2244	2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe	1
PID 2244 wrote to memory of 2716	2244	2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe	1
PID 2244 wrote to memory of 2716	2244	2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe	1

C:\Users\Admin\AppData\Local\Temp\hasfj.exe
"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
1⤵
- Executes dropped EXE
PID:2716

C:\Users\Admin\AppData\Local\Temp\2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_a56cb80c92601a6fd5c0ff3c5ff61eb6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244

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
38KB

MD5
8aeee008a83db8d018b0614ea7ebbd82

SHA1
9f86d9ad07687a7c539da7e162fcbd1f8a253c37

SHA256
36f38a8bff6eac1b88aeb02bec5b94175e6fbe66ca038cc05b58d3bc334a458c

SHA512
7ef87af28b514473cbb0a6662462d16c0069f4a8079990433bfa852358c639e74d1b2dc67db3b489127a2368d4a350e57382822ef187a70e1a41ec6bc0867756

Download Submit
memory/2244-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2244-0-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2716-20-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download