217b9a7c073407509d46514a1d83f8719c78eba9b1fe93d9ebeb5808592126e3

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 06:29

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General

Target

2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe
Size

43KB
MD5

630a0de01776423611ea7a4d8842c196
SHA1

a815a3a552dc0d7860719ad081d14b365adb2e06
SHA256

217b9a7c073407509d46514a1d83f8719c78eba9b1fe93d9ebeb5808592126e3
SHA512

c82e08e6e92452235cc4d8eb5a756f6b6312df3aeb1224f806feafef7c3dda18dc4640efd28cf7f0a29e47231e47dd55bbf0f5595750b46b13963a54c12c0e12
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkpa0:vj+jsMQMOtEvwDpj5HW5Ii1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012258-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012258-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2576	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-03-07_630a0de01776423611ea7a4d8842c196_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 2148 wrote to memory of 2576	2148	2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe	28
PID 2148 wrote to memory of 2576	2148	2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe	28
PID 2148 wrote to memory of 2576	2148	2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe	28
PID 2148 wrote to memory of 2576	2148	2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_630a0de01776423611ea7a4d8842c196_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2576

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
43KB

MD5
105834b3e4bfaa43cfb6bac7c3571f4d

SHA1
40b0f045cb332084168470cf9faa9c8bc18dea89

SHA256
5b4c376b9c86a8a5b6700d986dd111f2ee4b2d7e9f14910f4dee88ed3b4a1f84

SHA512
7e2b9ad605eaeabfb96ae9bd90bc8b3f4d354960b387f21b4eb9582c2038afedb3b8bea5043f112cb9ed941c5573bd8eebca30cdcec36204517f7405b77cb805

Download Submit
memory/2148-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2148-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2148-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2576-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2576-20-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download