c86b2c8322b0087aa6be6487add3de03080d0b1b670a5fc5490ebe4245ade7c0

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/03/2024, 07:23

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General

Target

2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe
Size

75KB
MD5

391dbaa3799a4f8b3cc5a40ea602acf0
SHA1

21d63d6ea8dfa40c1c6bd60e51a5403fcb107640
SHA256

c86b2c8322b0087aa6be6487add3de03080d0b1b670a5fc5490ebe4245ade7c0
SHA512

37cc98bf541a1507ee9b29b5822f1866ddc5e83bb8319b36103060d1a7c19071cd6debda52a37b808524df19c3e36c815e2dacb43a74c20761d11d69d41cfb4e
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1siMO1:X6a+SOtEvwDpjBZYvQd2b

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012226-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012226-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2644	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1164	2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_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 1164 wrote to memory of 2644	1164	2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe	28
PID 1164 wrote to memory of 2644	1164	2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe	28
PID 1164 wrote to memory of 2644	1164	2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe	28
PID 1164 wrote to memory of 2644	1164	2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_391dbaa3799a4f8b3cc5a40ea602acf0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2644

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
75KB

MD5
d0af05878546d6108d5b7deb331a620d

SHA1
1b08c91edf5096129b49019a4466175c6965f22e

SHA256
c903a3d9e34c44e1f8a7730231f86f0732d9be8ff069057e8a3b18e956cbc1ea

SHA512
1aa30016cc0ba922c10df2378cc07bf82c3c2517bb4baa3a94545d353ee17be2158e9b8284f9cd6fe8f71255c82b3bc717555a6a0a4ac85d0fabfc9bd64cd314

Download Submit
memory/1164-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1164-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2644-15-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2644-17-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download