3f63d46ad881aca7fe5434738594aff73c18cb78447a60c491602cd25cd88982

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 04:27

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General

Target

2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe
Size

43KB
MD5

1f0e1df98f63da05d0b032ff93f14da9
SHA1

3c182644b07f3b4334b8730d1c795be80c96181e
SHA256

3f63d46ad881aca7fe5434738594aff73c18cb78447a60c491602cd25cd88982
SHA512

1789909902c609a4b0ffcce0a58dc57a98507d0084ee74b08568c5f9e7dc9b7b175fd780f761c27ff8e623fa02ee1498be9b7689617a133157c3f1225c9a4e60
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HxC:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000014708-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000014708-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2528	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_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 2168 wrote to memory of 2528	2168	2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe	28
PID 2168 wrote to memory of 2528	2168	2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe	28
PID 2168 wrote to memory of 2528	2168	2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe	28
PID 2168 wrote to memory of 2528	2168	2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-08_1f0e1df98f63da05d0b032ff93f14da9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2528

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
44KB

MD5
1c81e8a6f5848c5abc73329095ca272a

SHA1
b0a970d1f510958ab920d94b3de74eddc03b5cc1

SHA256
05edf0e585dc704504776d1c9ac439ebe17048fa5b07900647d1228b1ef41220

SHA512
ca9ba9820fe3776a376a8efa0d5c533705e4af1e8c03be97fcd64e2aadd40b6788768cc1128c2d0304fd635cbf671eb6acded040534be1549d2a386df041fab5

Download Submit
memory/2168-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2168-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2528-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download