6ff13c27a21ec352ca1f2b85b9753b772800129d77424a35864bf3f9e8b98f5f

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 02:23

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General

Target

2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe
Size

37KB
MD5

0e9ca027773308f125a5126ec1d71ad6
SHA1

393baddb33d2bce6a948d85aca72bc2d0a2622e6
SHA256

6ff13c27a21ec352ca1f2b85b9753b772800129d77424a35864bf3f9e8b98f5f
SHA512

800f0b1d265d83f6930bb9e3209564db622b647eb3c0345749abef4f5db951ca046f729197d40113539283ed0a2301f57ede7050266452f9fb43cb7c601aa9d7
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axcbT:V6QFElP6n+gMQMOtEvwDpjyaYaqT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012262-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012262-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2392	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2224	2024-02-18_0e9ca027773308f125a5126ec1d71ad6_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 2224 wrote to memory of 2392	2224	2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe	28
PID 2224 wrote to memory of 2392	2224	2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe	28
PID 2224 wrote to memory of 2392	2224	2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe	28
PID 2224 wrote to memory of 2392	2224	2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_0e9ca027773308f125a5126ec1d71ad6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2224
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2392

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
37KB

MD5
b80001b2a95f3e69a1f8dc71b3d4dbbf

SHA1
0bc845a928748f5741250cea506f1253780de51f

SHA256
6b2aa083725e257727ac5d17ce938998b6ae8ec6e4725ef21b0f084028c6d4d0

SHA512
4021ea3577adacf9d92360d80e222e0efbfd21d60c97d325d97dcb9c479b2e2a84e9bef76b93de627ede5d2edd24076a1192a59293089cd34339c7c9ec1cfc30

Download Submit
memory/2224-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2224-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2224-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2392-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2392-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download