38b45baacd4792500bbcfc23426d5a27a89aea3ef903918e21459b19554010f8

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08-08-2023 17:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9ca8ea35b691ee9478a9a831c48c5f20_cryptolocker_JC.exe
Size

55KB
MD5

9ca8ea35b691ee9478a9a831c48c5f20
SHA1

dc5ca0d3bc54ac4729ef129f9a1d2821c5f14195
SHA256

38b45baacd4792500bbcfc23426d5a27a89aea3ef903918e21459b19554010f8
SHA512

c9e6b5465bf541a05a6e3c9e6587261c78ea10476361b7800dd28b67acfcc57aee11d4dc7960f3daba71dd44bc0ed97bdf018d983559575fb445cc85707eebfb
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZW:X6a+SOtEvwDpjBrOm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4912	asih.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 4912	1796	9ca8ea35b691ee9478a9a831c48c5f20_cryptolocker_JC.exe	83
PID 1796 wrote to memory of 4912	1796	9ca8ea35b691ee9478a9a831c48c5f20_cryptolocker_JC.exe	83
PID 1796 wrote to memory of 4912	1796	9ca8ea35b691ee9478a9a831c48c5f20_cryptolocker_JC.exe	83

C:\Users\Admin\AppData\Local\Temp\9ca8ea35b691ee9478a9a831c48c5f20_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\9ca8ea35b691ee9478a9a831c48c5f20_cryptolocker_JC.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:4912

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
55KB

MD5
1f2515f1f0393a00bea8cf554e5c157e

SHA1
51ddc993582422a7fea862f1e558de4a286aeaff

SHA256
3b3a9a966859e3b72a9144381e830acc209bc9df3d1a70889dac6f2e3fe7b824

SHA512
28cbe21248f4794c6cf97c6ce51ea77691b41596ded48b3ebdfbb9e9699c0fc1045b8261860f6918cf08c2b235ca79c7673f7734af551dfe59f88bbef528a548

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
55KB

MD5
1f2515f1f0393a00bea8cf554e5c157e

SHA1
51ddc993582422a7fea862f1e558de4a286aeaff

SHA256
3b3a9a966859e3b72a9144381e830acc209bc9df3d1a70889dac6f2e3fe7b824

SHA512
28cbe21248f4794c6cf97c6ce51ea77691b41596ded48b3ebdfbb9e9699c0fc1045b8261860f6918cf08c2b235ca79c7673f7734af551dfe59f88bbef528a548

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
55KB

MD5
1f2515f1f0393a00bea8cf554e5c157e

SHA1
51ddc993582422a7fea862f1e558de4a286aeaff

SHA256
3b3a9a966859e3b72a9144381e830acc209bc9df3d1a70889dac6f2e3fe7b824

SHA512
28cbe21248f4794c6cf97c6ce51ea77691b41596ded48b3ebdfbb9e9699c0fc1045b8261860f6918cf08c2b235ca79c7673f7734af551dfe59f88bbef528a548

Download Submit
memory/1796-133-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1796-134-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/1796-135-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/4912-152-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/4912-150-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download