ce9acb8902d0b124d0c5b7ef1fb31a021ebb87bd624fcd7b0542ac11e42025de

Analysis

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

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 05:37

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General

Target

2024-05-04_96a2f45080101e78d33bcd4fcc649269_cryptolocker.exe
Size

52KB
MD5

96a2f45080101e78d33bcd4fcc649269
SHA1

c7ec177fe7bd37067f7a6d0caba4aae3df0cbd7e
SHA256

ce9acb8902d0b124d0c5b7ef1fb31a021ebb87bd624fcd7b0542ac11e42025de
SHA512

d87b85558e9d2bd9f6b3bd4553a92d63e067ec64e797c75b00737e33a423d00a5159887585bff6a70f90f2a5e027d5aa283870de3cb326c55ad962ae61e899de
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTk:X6QFElP6n+gJBMOtEvwDpjBtExmlY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001340c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001340c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2520	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	2024-05-04_96a2f45080101e78d33bcd4fcc649269_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 2520	2036	2024-05-04_96a2f45080101e78d33bcd4fcc649269_cryptolocker.exe	28
PID 2036 wrote to memory of 2520	2036	2024-05-04_96a2f45080101e78d33bcd4fcc649269_cryptolocker.exe	28
PID 2036 wrote to memory of 2520	2036	2024-05-04_96a2f45080101e78d33bcd4fcc649269_cryptolocker.exe	28
PID 2036 wrote to memory of 2520	2036	2024-05-04_96a2f45080101e78d33bcd4fcc649269_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-04_96a2f45080101e78d33bcd4fcc649269_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-04_96a2f45080101e78d33bcd4fcc649269_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:2520

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
52KB

MD5
96a3455716826dab35d70afec97f98fe

SHA1
0f6249452211801e7d00f88be5af29535a1b5846

SHA256
03b44bef2a57283ebcda20ee3dc27de20929b4eca84cf066e5b7fe0b16b45ac3

SHA512
c82cf51d6b479deed2820c8feabf5890e891af4264f989e71fea498f5fdc2785ebf7535cc01261ee9f522b31b1daf8358e804b570a8d031a5275fbfb177054e3

Download Submit
memory/2036-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2036-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2036-8-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2520-22-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download