c86e443f39edc423395938ffb5cd0651ba2f72b6dfe7eb45a8e6f6546d86413a

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 05:29

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General

Target

2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe
Size

34KB
MD5

4796f7a88c416ed96cc00c64211db6ab
SHA1

87fb346dccd0c071c9e848769e7ac5910046c4e6
SHA256

c86e443f39edc423395938ffb5cd0651ba2f72b6dfe7eb45a8e6f6546d86413a
SHA512

149742582d21e9937e05401e968480866883913c098674d7d36a6f7887c396ea426c74a1a78f5f20c90da2cb8e5708e7c1782cbe6a9d5d2a4dd215931a57e834
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunIVpeNs23mAA6lxZZX:bA74zYcgT/Ekd0ryfjPIunqpeNswm6Z5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224f-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2148	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	2024-04-25_4796f7a88c416ed96cc00c64211db6ab_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 2932 wrote to memory of 2148	2932	2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe	28
PID 2932 wrote to memory of 2148	2932	2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe	28
PID 2932 wrote to memory of 2148	2932	2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe	28
PID 2932 wrote to memory of 2148	2932	2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_4796f7a88c416ed96cc00c64211db6ab_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2148

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
34KB

MD5
580d3f2ff0f98470fb809df40ab394f0

SHA1
2360872955e38a481d8fa842790c9faf607db935

SHA256
56eb0b4e88894587176135b015caf861263992d578795f2acb8a45d73eb93875

SHA512
cc32fcbe21d8ccb4f4c93ede41a6c973092c9e420269c5320af26cface63aa46f03b812c9abd77250b4057a1f1188c9c2609193ec1c7ae027d8c2ef203f371e3

Download Submit
memory/2148-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2148-22-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2932-0-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2932-8-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download