upatre | 4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a

Analysis

max time kernel
150s
max time network
136s
platform
windows10_x64
resource
win10v20210408
submitted
16/05/2021, 04:51

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General

Target
4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe
Size 33KB
Sample210516-mrn97bvl2e
SHA256 4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a
MD5 b8d0f1e6fec91bf4df3c8857533079d5
SHA1 d1b0c8204ab84cd18e0094fa2f59b7c37004def4
SHA512 926352e7d0b2cea76ca7d4d38c8dc63a60bf342a37796e6cddb1ca71c159e866dd2a2ea1d8435f0edd028a711f64674811c4087c1523bdf2e0403cb2b5ff4208
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
580	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 856 wrote to memory of 580	856	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	78
PID 856 wrote to memory of 580	856	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	78
PID 856 wrote to memory of 580	856	4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe	78

C:\Users\Admin\AppData\Local\Temp\4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe
"C:\Users\Admin\AppData\Local\Temp\4da2e2c898542a4c6154b10e661d91b3404ecdeec4e72af42c177d7003139f1a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:856
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:580

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/580-118-0x0000000000740000-0x0000000000741000-memory.dmp

Download

memory/856-114-0x00000000004F0000-0x000000000063A000-memory.dmp