eedc61defd42486a3759d2157f87c097706a841e3a3b1907036340b5de81c248

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
18-03-2024 23:27

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General

Target

2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe
Size

97KB
MD5

59f3090db19abfbf3024f92781651739
SHA1

9d1d902a6d22565dd736c12a2775d85a5f9bc0dd
SHA256

eedc61defd42486a3759d2157f87c097706a841e3a3b1907036340b5de81c248
SHA512

ed05e5349972e286ed2c710bbf44b7754b97786f45b3bfea7da9349896ab71e62112781ca5024beff653199b2025cb9fd38c5338862ac2eafe15f468ad422470
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQb6+:V6a+pOtEvwDpjtzT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012253-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012253-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2080	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	2024-03-18_59f3090db19abfbf3024f92781651739_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 2036 wrote to memory of 2080	2036	2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe	28
PID 2036 wrote to memory of 2080	2036	2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe	28
PID 2036 wrote to memory of 2080	2036	2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe	28
PID 2036 wrote to memory of 2080	2036	2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_59f3090db19abfbf3024f92781651739_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2080

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\asih.exe

Filesize
98KB

MD5
32c3220d5b89808e8b4b7d50a46678cb

SHA1
417f5c9261144d6638510b4dda7dde8543c474c7

SHA256
4642190942263e4bca8cfe6f61792bdd365861bbdc6af59415d7bdbb6a6d1ae8

SHA512
db33920e06921c2bb926d206f70a5c1373166a4f5a326c65846a0132ab97f98df1913fc0e57170d42065192ed2971fcf8c8e4bf549084a5120a48310b7358f70

Download Submit
memory/2036-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2036-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2036-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2080-22-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2080-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download