upatre | 20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d

Analysis

max time kernel
151s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
11-05-2021 13:54

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General

Target

20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe
Size

34KB
MD5

ae5ed9b3e635cbd6e23a5393384357c9
SHA1

182019cc183cad1ad12dee5d6249cceabdf7f453
SHA256

20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d
SHA512

3bff1af08121b6dd60ad1821aef8b1f0cba02ca51ccfe599bfd4bc001eeb392eadf99ca1164faee3872ed7bd33f7a9b35becc8a95cde8f76fc7eae17f2fead7c

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1296	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1748	20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe
1748	20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.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 1748 wrote to memory of 1296	1748	20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe	29
PID 1748 wrote to memory of 1296	1748	20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe	29
PID 1748 wrote to memory of 1296	1748	20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe	29
PID 1748 wrote to memory of 1296	1748	20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe	29

C:\Users\Admin\AppData\Local\Temp\20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe
"C:\Users\Admin\AppData\Local\Temp\20af684b4578f84c956f9b97e7e9573d147016deb914566d10fd9a5a9c74056d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1296

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/1748-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/1748-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download