889aae587a5959c229334309c499872b55f30e825f25e7e6ce32fe75e07046ac

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/06/2024, 04:24

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General

Target

2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe
Size

81KB
MD5

7080ae4c34572929793be93e62ed4c47
SHA1

f8e03121e69aa0306be6dfe479a6942dd0631e6d
SHA256

889aae587a5959c229334309c499872b55f30e825f25e7e6ce32fe75e07046ac
SHA512

8b0eecef93558527975534d8462a880821f7104230cccf61f99ccf988473012af828c632d606ab3593d2a0afc37b8c54cb99724f2ef79e4a5da6b44ba726c2fa
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWT+q:ZVxkGOtEvwDpjcax0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000014284-14.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
284	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2152	2024-06-07_7080ae4c34572929793be93e62ed4c47_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 2152 wrote to memory of 284	2152	2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe	28
PID 2152 wrote to memory of 284	2152	2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe	28
PID 2152 wrote to memory of 284	2152	2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe	28
PID 2152 wrote to memory of 284	2152	2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-07_7080ae4c34572929793be93e62ed4c47_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:284

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\misid.exe

Filesize
81KB

MD5
81082c338e4acb397a0582d8fd34cd39

SHA1
c7c2bcee9d5215dc22ea705ee5612660d7ec4698

SHA256
211f689c930c38b9552b4fc27fdfd8acd27846701a1699b42721c990ade4f73e

SHA512
ccd555342c9d45864471980177fee9326d84712fdb4a056849d84bcd0ff4661d6c7e0e279222a33294bb79480d5fac3b79708d493bf4a052073bec41990a1d3b

Download Submit
memory/284-23-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/284-16-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/284-24-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2152-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2152-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2152-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2152-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download