b50be561bfd74daf8e39b3b953a00033f719684ade24659814ed86c664c22ba5

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 16:56

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General

Target

2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe
Size

69KB
MD5

6a0217fba332a50f7a1be6142fdee6c4
SHA1

522ec9203b25a55bb7c07be125767f17c5a844c8
SHA256

b50be561bfd74daf8e39b3b953a00033f719684ade24659814ed86c664c22ba5
SHA512

20e35a50758bd85ce4e654acbe3fc94ff766ae40ac751ce296b5345b97f325e7f9e3475c9f122ab29a1cf5f799856d2985b333d76f230b1c43ac88a75a0296c1
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4wYPsED3VK2+ZtyOjgO4r9vFAg2rqk63YgW:vj+jsMQMOtEvwDpj5HwYYTjipvF2hV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012022-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012022-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2204	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
760	2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_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 760 wrote to memory of 2204	760	2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe	28
PID 760 wrote to memory of 2204	760	2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe	28
PID 760 wrote to memory of 2204	760	2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe	28
PID 760 wrote to memory of 2204	760	2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_6a0217fba332a50f7a1be6142fdee6c4_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:760
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2204

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
69KB

MD5
b703297f0bb52ad5875c63e7766fa71a

SHA1
24f1266ee7f7c10adbf6027cfd26ab5e35dafffa

SHA256
b4506ef8b7c381bfb58d25c7bcb78fb3d47a4cfe3018e37eaf4fc79f7d69728a

SHA512
3fa4a605ec6195d88b4dc5e0c4151d759d1c4fe61677ccab50f416ec9465653395938415568a21f4c589d2d7e47e2ec6dea899f7946f76c19ee71e4e45a64818

Download Submit
memory/760-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/760-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/760-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2204-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download