ddb45322e2830c24582e0a68c77f616ff0f32aa1099a9ffb58897010618e46bd

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
01/02/2024, 22:27

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General

Target

2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe
Size

41KB
MD5

b68f241c61298a7ead3873ea68d820a6
SHA1

90ee50db9514f391da4a4589384d25b18a80c872
SHA256

ddb45322e2830c24582e0a68c77f616ff0f32aa1099a9ffb58897010618e46bd
SHA512

ca5cce9d7f34b3173f1c34e77b816cc6778e636d654de4c60583ea97f38df9fab952540189d16d574c9bb7b55e507c0fe0a3382f9afe3212ca2898744360532f
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5co9+slNWd:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+si

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2112	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-02-01_b68f241c61298a7ead3873ea68d820a6_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 2108 wrote to memory of 2112	2108	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	28
PID 2108 wrote to memory of 2112	2108	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	28
PID 2108 wrote to memory of 2112	2108	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	28
PID 2108 wrote to memory of 2112	2108	2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_b68f241c61298a7ead3873ea68d820a6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2112

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
41KB

MD5
2cc6545bee78b6262c46795a745c422c

SHA1
06ea9ba066ade49d278c4527fd68adcc7920cf89

SHA256
107f04d803c99f89c2f0ed2eb7a3aadd7a45a523d62b7803f827f40c8b0d0629

SHA512
b65050589d2d381f64b97b468b4026135810a306297b06b8ca2a66069967c9ec89483a5b8be943085ddb81062499ed926a00c831de1abc71f6755274ce9854a3

Download Submit
memory/2108-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/2108-8-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2112-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2112-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download