upatre | 817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7v20210410
submitted
04/05/2021, 20:14

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General

Target

817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe
Size

32KB
MD5

cc1393044f702d8fe7cdc7a3fbab4ae7
SHA1

8ff00c217965fb5680d410e490cae01e8f026c6b
SHA256

817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628
SHA512

49cd791a1bb207c40379de32291d803772f97c49d7e38bc042f6dfad48e5df4518fd17494287cdc1d6b58d352d5105564da990fb23fc7cfbbf44bca550437b36

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1412	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1200	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe
1200	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1412	1200	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	29
PID 1200 wrote to memory of 1412	1200	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	29
PID 1200 wrote to memory of 1412	1200	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	29
PID 1200 wrote to memory of 1412	1200	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	29

C:\Users\Admin\AppData\Local\Temp\817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe
"C:\Users\Admin\AppData\Local\Temp\817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1412

Network

MITRE ATT&CK Enterprise v6

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

memory/1200-59-0x00000000768B1000-0x00000000768B3000-memory.dmp

Filesize
8KB

Download
memory/1200-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download