upatre | 817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628

Analysis

max time kernel
151s
max time network
113s
platform
windows10_x64
resource
win10v20210408
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
3812	szgfw.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 3 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 3812	640	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	78
PID 640 wrote to memory of 3812	640	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	78
PID 640 wrote to memory of 3812	640	817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe	78

C:\Users\Admin\AppData\Local\Temp\817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe
"C:\Users\Admin\AppData\Local\Temp\817c4b6af6e798462f2731ff02d07a4b49707eb10a55ff1c496254372fb58628.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:640
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:3812

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/640-114-0x00000000004A0000-0x000000000054E000-memory.dmp

Filesize
696KB

Download
memory/3812-118-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download