e5df5083ee20ea5e5758bd8c99de5fc6b16de3807f5ffa1c152e5bb6bae04ffd

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
16-05-2024 16:44

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General

Target

2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe
Size

57KB
MD5

02c36a9f4a91fb86c0793473c2ddd5d5
SHA1

50fb76d2f3bfb7fa540c7a848a918d57b4ca9f48
SHA256

e5df5083ee20ea5e5758bd8c99de5fc6b16de3807f5ffa1c152e5bb6bae04ffd
SHA512

afe6b6bbbcba29598c898ab45369ce47acdcf24b9cef5f73fbe6e559dc067b47d22cee4c7ae5e36ffd49762504a455fa27a3b026e8d0ebb4073bb1a463bde42f
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFv6dl4GC:vj+jsMQMOtEvwDpj5HH1nw73KOFiY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227d-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001227d-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1884	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_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 2972 wrote to memory of 1884	2972	2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe	28
PID 2972 wrote to memory of 1884	2972	2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe	28
PID 2972 wrote to memory of 1884	2972	2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe	28
PID 2972 wrote to memory of 1884	2972	2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_02c36a9f4a91fb86c0793473c2ddd5d5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1884

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
57KB

MD5
34b186eded9c3cdd155238cb6c551e39

SHA1
5a7964c8758e63e281bf955cbda3656096e7c1cd

SHA256
f88342a1e40cad5f21d9fa3ebdee51a2c2b5c5ee2a0de16e0f93aa5891adcaea

SHA512
5f14badc52257bfe86d5e3d32a6a686df7f90276b4f5d8bb7e0f81ae36877bcc32aefbb637bedf8be8c81ca3d1932179324b2f271466c883a7115e705f953a44

Download Submit
memory/1884-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1884-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2972-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2972-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2972-8-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download