9f4659371a8c8bd559b7bc918d339499320b222c50ff16521e4ed95bca66366b

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/05/2024, 15:28

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General

Target

2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe
Size

37KB
MD5

a044aa1fd316f467029b7634fd71df51
SHA1

c1f6b01a09c23c0bfb97b8748126ffeabde66833
SHA256

9f4659371a8c8bd559b7bc918d339499320b222c50ff16521e4ed95bca66366b
SHA512

6ae57ff44cc2680ec4ac4f822b48ff31275ddbc3c626ad4d1d0421c065316de9689a8dd20846939589880fad14388968e7bf4b88679fd62988944dbab7fbebd6
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4Y:fT+hsMQMOtEvwDpjoIHY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000132c6-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2548	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2692	2024-05-13_a044aa1fd316f467029b7634fd71df51_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 2692 wrote to memory of 2548	2692	2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe	28
PID 2692 wrote to memory of 2548	2692	2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe	28
PID 2692 wrote to memory of 2548	2692	2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe	28
PID 2692 wrote to memory of 2548	2692	2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-13_a044aa1fd316f467029b7634fd71df51_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.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\misid.exe

Filesize
38KB

MD5
cf13eeacb30924cd16ccea086fdaa7e2

SHA1
511f25f99b5835e3e33b322b7705403af3a9f36a

SHA256
5e301ffb61dc32e0b3a25bae5d48eaa84d6df666c044889dffcd95a009b0273c

SHA512
ba4bf2556db663bb7b64eb811c18c7515ea01bab08e5956560e760e111f16d0743dd5c418792890979bda2a311302884696e51aca8a7d97ddffd031a8f40a909

Download Submit
memory/2692-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2692-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2692-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download