42060ff9e905b85126433df1d11f660b432d95a407ea84e592d314ce06778df3

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 05:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe
Size

122KB
MD5

d1c09ab12486d405fcae02029205b8d8
SHA1

53da17441c8dac3129edb401958c60b9f0ee5574
SHA256

42060ff9e905b85126433df1d11f660b432d95a407ea84e592d314ce06778df3
SHA512

0598e90804adcd1fd9223f0d43f2016d2ced275029a0f59f788fbbc8d2dc4b601faa1bb8a5bffb65e2dbd0f20585f156af335784ae64d493757abefb92e202ef
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTZ+mJ:gUj+AIMOtEvwDpjNbwQEIPlemUhYp/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001225c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2756	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1684	2024-02-20_d1c09ab12486d405fcae02029205b8d8_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 1684 wrote to memory of 2756	1684	2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe	28
PID 1684 wrote to memory of 2756	1684	2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe	28
PID 1684 wrote to memory of 2756	1684	2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe	28
PID 1684 wrote to memory of 2756	1684	2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-20_d1c09ab12486d405fcae02029205b8d8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2756

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
123KB

MD5
d814a0fc8477eccad81bea05515e98b0

SHA1
981f66cb5bb16829cc5e65f53682de3f3c84c698

SHA256
e46c457dab396c2d0adba5b702aacf9d8e1a5d0d4ab4b1676187dd33fb7423e3

SHA512
a2a0475785a705a9490c07317d39ed134944fb4adac680782f9647888fccc3d0334e1edd142a0e8b9c19486c0c968e2540df62398fef20767a64f4985fe8fcd0

Download Submit
memory/1684-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1684-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1684-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2756-16-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2756-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download