f39a8de5977fa0ce317e72f84102b7186a6bd46c1b00d6e90d8cf93d375457f2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28/04/2024, 04:50

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General

Target

2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe
Size

61KB
MD5

cea9f77b191407d33f04e64ac72dadd4
SHA1

743c993fdad9b518329dd46c562dd671babbff32
SHA256

f39a8de5977fa0ce317e72f84102b7186a6bd46c1b00d6e90d8cf93d375457f2
SHA512

27a8a5dda8fd2feb7c90ca644c1e6fc2c6a966bda82d6ab740a0a3e0767ebc2a976c9e5044d4397024f0fb0a250bd9984265d66f06540a9df0b7e0518599c377
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/Equ:ZVxkGOtEvwDpjcOY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012253-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2576	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2644	2024-04-28_cea9f77b191407d33f04e64ac72dadd4_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 2644 wrote to memory of 2576	2644	2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe	28
PID 2644 wrote to memory of 2576	2644	2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe	28
PID 2644 wrote to memory of 2576	2644	2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe	28
PID 2644 wrote to memory of 2576	2644	2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_cea9f77b191407d33f04e64ac72dadd4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2644
- 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
61KB

MD5
7a42bb29b3bb64967f5af892662a8fbf

SHA1
3f6c50449221833207de59b3f57c3c1ee5caeec0

SHA256
5ba5f102481947d95a4c334ec1a95314a92755527b94d8d2e37cca0d05dea154

SHA512
90b6062182c03a2e020140196b9e47a27b5b078ee87b90b93390cc2692cb3b16bd446d7a5ffb493f02269a1008e51bf5580437dbb671d26706786f71d2c0dffb

Download Submit
memory/2576-16-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2576-23-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2644-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2644-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2644-1-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/2644-3-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download