2745e45469387d95eeb34dfef9586a32751e853754682badaedb076dc6593462

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 04:48

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General

Target

2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe
Size

124KB
MD5

9bb861a46e716cb8ba5f7ace9c969fed
SHA1

ab00883328692f64dae1153095191503110228df
SHA256

2745e45469387d95eeb34dfef9586a32751e853754682badaedb076dc6593462
SHA512

364e9b96b987269daf9c2ab08d85510915b08d41273dc7fab938a5f0979001253037e0d748607fb6d79ebeda5fc2ccbf9cadc6cb2a9c5d1cdd80939ba3a7fe5f
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpJ:vCA9OtEvwDpjF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2516	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2132	2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_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 2132 wrote to memory of 2516	2132	2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe	28
PID 2132 wrote to memory of 2516	2132	2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe	28
PID 2132 wrote to memory of 2516	2132	2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe	28
PID 2132 wrote to memory of 2516	2132	2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_9bb861a46e716cb8ba5f7ace9c969fed_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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
125KB

MD5
b52973d84f836075e96558eb781457a6

SHA1
efcef6a6dc20bd3ba680c8c7696cde9fa01d37d6

SHA256
32bf1fa5019426b7451f86e6c92ef8b8ff05ab5f68d151da689b96e540831110

SHA512
8a7f7f9e95b23d3f094fe8beea9662c0c53d326c6483861b0cccc74b5157e30c2cb6b0ab5bac5f45be6c480a4484b20de527e9f8f86c439af6b24668dfda4b40

Download Submit
memory/2132-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2132-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2132-2-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2516-16-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download