958ae4462f70479747aec0168d1beaf4103eaca6eb713c553bb6daa35d23c9cb

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
06-03-2024 09:39

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General

Target

2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe
Size

90KB
MD5

eaf1fae790f353318357756bacdca61b
SHA1

6b9998e96069a031b0eb3dad52a2ecfe4c37c3b0
SHA256

958ae4462f70479747aec0168d1beaf4103eaca6eb713c553bb6daa35d23c9cb
SHA512

ae9fe57d8b7d5d0126c8fbff5bc9ddfd2c45627ac2660c323ba1816172859df07ec24d72b379b0b0b3dcaee9bda7b7517ba1d02b27521ed42b88367be1ffb18a
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMg8:V6a+pOtEvwDpjtzA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3012	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2860	2024-03-06_eaf1fae790f353318357756bacdca61b_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 2860 wrote to memory of 3012	2860	2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe	28
PID 2860 wrote to memory of 3012	2860	2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe	28
PID 2860 wrote to memory of 3012	2860	2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe	28
PID 2860 wrote to memory of 3012	2860	2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-06_eaf1fae790f353318357756bacdca61b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3012

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
90KB

MD5
adc3f2b773356dcc37ac73c5e740ca45

SHA1
d85a7773f1c338648ae51af98b18b774a8a92d44

SHA256
a232aab10d2daea6e185cc4e1436bac5a02c71eafa8c871bc7b010297784ccbc

SHA512
66b53972bf6218c2ed5b33091efd507e2567a29c850e2ef625e6c4fbfedc1f654d5dda305cadf98565e39731ee016ee6a453a03098327407ba0d71be1b609808

Download Submit
memory/2860-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2860-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2860-3-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/3012-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3012-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download