734ee747d72379e4604288ec54b1f630348cca3260ac7b9c3843849802a4c9cd

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 05:15

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General

Target

2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe
Size

50KB
MD5

d752141065870c2bc9278d2f16a737ce
SHA1

8631d879057cac528339ca75ad3eb866856b2913
SHA256

734ee747d72379e4604288ec54b1f630348cca3260ac7b9c3843849802a4c9cd
SHA512

60560e95fe0488f1fa9c80435f3981ddde16f4db3c39991d28286a1663429070211e1bafaee82e735c07d99681662baf89c8723990ea992084f07e1f7b7e674f
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6D8jnPxyV4tFVgQl:bIDOw9a0Dwo3P1ojvUSD4PRtFVgw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2360	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-02-19_d752141065870c2bc9278d2f16a737ce_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 2288 wrote to memory of 2360	2288	2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe	28
PID 2288 wrote to memory of 2360	2288	2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe	28
PID 2288 wrote to memory of 2360	2288	2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe	28
PID 2288 wrote to memory of 2360	2288	2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_d752141065870c2bc9278d2f16a737ce_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2360

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\lossy.exe

Filesize
50KB

MD5
02d96b501257c0767371b9a4ae2463ec

SHA1
4bbcfb97ddb0dc5d7006f766667991d88ffe2a65

SHA256
03c361c7703c56c37e6bbc0a61258f82c57882e9b4f4d7e6be4db34118195c40

SHA512
1c67c0a5f4138c8d568b80e023308a84f657bc9ec1aee48234453372245658f8f99c8eaa017cfab981607410ca7471d47dd00511506b1aa50c6133972007e0db

Download Submit
memory/2288-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2288-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2288-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2360-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2360-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download