994fb21a8a9bc64ba9e40e5da59d99a5a5d9b70ae43ec8a8c7e300427440496a

Analysis

max time kernel
144s
max time network
152s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 00:34

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General

Target

2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe
Size

55KB
MD5

80b23877cd5fe5680354d406ae737561
SHA1

ad1253e813d66265575bc3c630bc4c425674b0c9
SHA256

994fb21a8a9bc64ba9e40e5da59d99a5a5d9b70ae43ec8a8c7e300427440496a
SHA512

9aa2b754924decf9d4f76fde0e50d2943ddd1df0c24a6081db3d84ca0021065528f949c5f2a94889adab60c6828dbee86993f21f6651877eae0dd5c936c9d0df
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5UjC:ZVxkGOtEvwDpjcf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012280-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2952	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1964	2024-06-11_80b23877cd5fe5680354d406ae737561_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 1964 wrote to memory of 2952	1964	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	28
PID 1964 wrote to memory of 2952	1964	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	28
PID 1964 wrote to memory of 2952	1964	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	28
PID 1964 wrote to memory of 2952	1964	2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_80b23877cd5fe5680354d406ae737561_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2952

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
55KB

MD5
552463a62abc9257bbac0014635b2145

SHA1
06c63009914a75bcf8a1541866e555dda76d315e

SHA256
5664fa83647367ac2164645c47fd3605d98994932664eb387c59eec25876d412

SHA512
623037b657abf4a82d39fb904fc80d7df8663446a54a4e818481bdc2e11e1bc4f436a44e555a401369f05aafc4217d8fcf9ef43a017c5e2a3d6d8c7c9b6ab160

Download Submit
memory/1964-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1964-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1964-2-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1964-9-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2952-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2952-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download