e4dd97898bfdc2a7694943c177ec039a1c357e0243a4a8d2a65d816c374699cb

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 05:31

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General

Target

2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe
Size

44KB
MD5

e8e1e01565a9c64523fdc4f2ee8d7512
SHA1

a5e43704a8a92cc8fc2c9856b0958884dfd0ec06
SHA256

e4dd97898bfdc2a7694943c177ec039a1c357e0243a4a8d2a65d816c374699cb
SHA512

2e9033feac627939911e04d8dc30f8401c418505586e4d341ee2e74b32243bf7a36086620a968675735863f6149e9df900460f926ea8a60c89ecc1494f457263
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9H78:X6QFElP6n+gJQMOtEvwDpjBmzDkWDt78

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012336-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2656	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2192	2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_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 2192 wrote to memory of 2656	2192	2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe	28
PID 2192 wrote to memory of 2656	2192	2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe	28
PID 2192 wrote to memory of 2656	2192	2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe	28
PID 2192 wrote to memory of 2656	2192	2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_e8e1e01565a9c64523fdc4f2ee8d7512_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2656

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

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

Filesize
44KB

MD5
47648f38841aca522d7df5826b2fb1b7

SHA1
3742dabb10daa122be7cdb73ffabfd4ed5ef2f95

SHA256
7338f3465316bcf5f538b27b20567a7096fd1b9de21f2a6868f50cbe9734abea

SHA512
20e0e60e7d63166f61999642b78852e42ca711e9e567a299b237cbac5c2c9c93a5cc4ba84dba68e6c0a6809c567b723ecd8611eeb9b4578d2dc200e550ab8e58

Download Submit
memory/2192-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2192-8-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2656-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2656-22-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download