14bc665e0494a2b1f786974ad0c9641c7c093a792a7539dc2cb91079b87228f9

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 17:28

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General

Target

2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe
Size

104KB
MD5

29fd85812752fc3a840e0034aaf74a7b
SHA1

a6a025e3a04729c67c66718ecd6e2482eec9ca91
SHA256

14bc665e0494a2b1f786974ad0c9641c7c093a792a7539dc2cb91079b87228f9
SHA512

20ff2330387e4257b28941619aa8870483695e75ec907e22745d19487de543a02c59a4a90530ca2114465cbfcd1ea79f2399bc20dacecd3ed4540a3c799e14a8
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJhHg:V6a+pOtEvwDpjtzJ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2548	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1568	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_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 1568 wrote to memory of 2548	1568	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	28
PID 1568 wrote to memory of 2548	1568	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	28
PID 1568 wrote to memory of 2548	1568	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	28
PID 1568 wrote to memory of 2548	1568	2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_29fd85812752fc3a840e0034aaf74a7b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2548

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\asih.exe

Filesize
105KB

MD5
c2a843cf933fdf0694d6637f4aae6391

SHA1
a88284554769ade76ec93065ecd5d49691c575bd

SHA256
d39c274e7d754a0253c327827f7c8f70e4e455970021182c3a4c0363c6ceea75

SHA512
9d2f674fd4711fd760c3c45a8c511cba33a629090ada70aaf1d070fa07aa152c8946d17e91b8554393c57fc285ee092c49c2a6d4168dc1c8189dac2e39275b70

Download Submit
memory/1568-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1568-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1568-1-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2548-15-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2548-22-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download