172e0e19d11945dc74b6a9e86c1f780c36a734baefef8b1d9fcc7dcd0094e102

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
25/04/2024, 00:49

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General

Target

2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe
Size

34KB
MD5

546963be6711bbbbd5e0000766a7fcbf
SHA1

1b48264243047b0e6c3f1a349e773fc487b2220f
SHA256

172e0e19d11945dc74b6a9e86c1f780c36a734baefef8b1d9fcc7dcd0094e102
SHA512

77f422da015adab6b621cdb28df9c52a9d86d8b3bceb07a50f49293d1c825b00fb0caadae76524fa8b416d1ae48c2693c2f617b5a748995b898558ebc4bf0fbf
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUgIunvsY0j:bA74zYcgT/Ekd0ryfjPIunvsrj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224c-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2492	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2868	2024-04-25_546963be6711bbbbd5e0000766a7fcbf_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 2868 wrote to memory of 2492	2868	2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe	28
PID 2868 wrote to memory of 2492	2868	2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe	28
PID 2868 wrote to memory of 2492	2868	2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe	28
PID 2868 wrote to memory of 2492	2868	2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-25_546963be6711bbbbd5e0000766a7fcbf_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2492

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
85eda008449924078d76aecfb3198271

SHA1
a6de38438d42016cbee37598d52103887a5991bd

SHA256
1e0b7a2689e338f09d1e9d935b1a54b6fce2c273815ab3b170229196a7b3a921

SHA512
57e0907db07efd92354bbaec7ee037c5b42fd5dc368cf3014b9621669a023c31cb7a99405608c424c2e76a2fcfa4bd7146809695a9f7eb800913ce99b2d7da9e

Download Submit
memory/2492-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2492-20-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2868-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2868-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2868-8-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download