59f4358d37ce296f44d021ff8d39c40dce4140babbbfc0960a89f982cc0c88fd

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 20:09

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General

Target

2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe
Size

389KB
MD5

1c9d10414cc568e79e37c8490617fec6
SHA1

f36cef10e1a2eb68b5f1838df6f9457133c7b252
SHA256

59f4358d37ce296f44d021ff8d39c40dce4140babbbfc0960a89f982cc0c88fd
SHA512

0e293a6bbfd17995965a1d24f402dc50b38035eb91ebd1cd260d2add1694c74f6068e16239d73cbcec0d5d067bdee94e09aa6e699a39d446a1202fb83bcec3cb
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXe:nnOflT/ZFIjBz3xjTxynGUOUhXe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012328-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2552	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2876	2024-04-15_1c9d10414cc568e79e37c8490617fec6_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 2876 wrote to memory of 2552	2876	2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe	28
PID 2876 wrote to memory of 2552	2876	2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe	28
PID 2876 wrote to memory of 2552	2876	2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe	28
PID 2876 wrote to memory of 2552	2876	2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_1c9d10414cc568e79e37c8490617fec6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2552

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
389KB

MD5
3c3acb81c1d77ce02d9cff991fef255d

SHA1
1cfd2c0a9c27627cb783b1f957f82fbe7bab0514

SHA256
3531e609439e61bee32944e59dac323083a21aa958985412dbcbf7480a23cd0e

SHA512
6b85a84e359021d16f5aa036fa46500c0e3edd98d1febf0438a21797e0387bfa249aa06bf588ffed1f21377099ce53cc4b72deec8d904b209fcae1695bab8677

Download Submit
memory/2552-15-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2552-18-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2876-0-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2876-2-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2876-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download