af9cb155fde17b6540e2f75c6db9aa5f77ad874767e2ea9f95e54c6330f09925

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 00:27

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General

Target

2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe
Size

78KB
MD5

7a4fdbb13c66da86c2308f753d70ecf0
SHA1

1341605a37ce997c03c102024cd41f58d5a0be03
SHA256

af9cb155fde17b6540e2f75c6db9aa5f77ad874767e2ea9f95e54c6330f09925
SHA512

b178abeb9a411ffaa0d4c6a62d94e80dac4b32f5c076e1aebbc6ae5d585123cc13500f8fd975be7a1bfe37aa068a94f201c029c012d15d7d93c22e5877cb7d2d
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLkt4:X6a+SOtEvwDpjBZYvQd2d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012281-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012281-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2040	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1444	2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_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 1444 wrote to memory of 2040	1444	2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe	28
PID 1444 wrote to memory of 2040	1444	2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe	28
PID 1444 wrote to memory of 2040	1444	2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe	28
PID 1444 wrote to memory of 2040	1444	2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-30_7a4fdbb13c66da86c2308f753d70ecf0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2040

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\asih.exe

Filesize
79KB

MD5
f6fe3ebcb8f6f375768ef4eb47c089da

SHA1
f4e4535e6002235241f93e18f41e885c8f3e72f9

SHA256
9d759d935046a4ef64dd0ae4af747258cc0252aa1a69fec656e7c1ec69c4f82b

SHA512
8bfdd463ce67096fe8865b84ffe9a9ae731deb80ae0a9b010ccc1f857c101e26c2f6a9f0421803d0fa07b36433a79ae314fb39b6517d3d8b232cccbf81fa1df4

Download Submit
memory/1444-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1444-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1444-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2040-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2040-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download