648505004d164c0394cd7c931297d9eb26092c00a1550b67002debdafa47e0cb

Analysis

max time kernel
156s
max time network
161s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-02-2024 08:37

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General

Target

2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe
Size

47KB
MD5

60ac56d9be95310dc4dea9c046cf9ed8
SHA1

5dd18d0fc2d2550ff446454198f81cc3d035d312
SHA256

648505004d164c0394cd7c931297d9eb26092c00a1550b67002debdafa47e0cb
SHA512

960ff8931ebf57d0c16d420526398ea5dc217f2580e491873bd7ed1ca06e53c05d324d7d8045966e4fb78961b4f8f428744b581659120f6f25cf5c31d19f3f2f
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hvQku:bgGYcA/53GAA6y37nbU

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0008000000012249-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2852	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_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 2976 wrote to memory of 2852	2976	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	28
PID 2976 wrote to memory of 2852	2976	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	28
PID 2976 wrote to memory of 2852	2976	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	28
PID 2976 wrote to memory of 2852	2976	2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-29_60ac56d9be95310dc4dea9c046cf9ed8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2852

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\hasfj.exe

Filesize
47KB

MD5
ec252a1d73f22b0766b1f7dea4ba4282

SHA1
754afbe61374f38f1bcde33857ea4fa62a6bbadd

SHA256
dfb0e0ecc570dda646684af37fc9e1338f0d2474ca0f9b39ac2d929b6904ce36

SHA512
f635346cd10711640a4508692aac7b4c09780ae69d76423d0017906bd190c2cd86423743077ce38234c43b105132369c300b87adec257d2b798a7f0339999e41

Download Submit
memory/2852-15-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2852-17-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2976-0-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2976-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2976-7-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download