f21809a7f8dd791c83e4f14ae4424674cfb9295e754747e85fce9c84369bfb4e

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 07:07

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General

Target

2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe
Size

75KB
MD5

eb0a1616ee5a2b930d2491f18a93de1a
SHA1

0f4e8772b8971b5c7b36bd77d5c252a1ca5b0af4
SHA256

f21809a7f8dd791c83e4f14ae4424674cfb9295e754747e85fce9c84369bfb4e
SHA512

77cbbe05bcb4e4711c57af852e1e92e985b5664d1883fa7484075f8e3fb4abad358a139e14f955f97d99b74d955cec1da71fbc7118ee22a3a5d4e426d15700b9
SSDEEP

768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs6gn:u6QFElP6n+gWMOtEvwDpjJGYQbB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001226d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001226d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2576	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_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 2104 wrote to memory of 2576	2104	2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe	28
PID 2104 wrote to memory of 2576	2104	2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe	28
PID 2104 wrote to memory of 2576	2104	2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe	28
PID 2104 wrote to memory of 2576	2104	2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_eb0a1616ee5a2b930d2491f18a93de1a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2576

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
75KB

MD5
a39e08d551ce27dc5002379e17a0e351

SHA1
13f12aa6c48b4af6235910fe0432dad4e6b3e4b8

SHA256
bdea03f1dc063efdcbc988c232b64f44d0700b4f67379c00d61e77a9dfc858c6

SHA512
e5fe33ca54382a2acfb4cd11c632f8901722ba66bb6e1a70cca4f7aeb273454a04e182b247d0277aa4c8a425c1ab926ae2649b80fe672b7b1cc8e2a0c27c0f36

Download Submit
memory/2104-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2104-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2576-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2576-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download