upatre | 1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7v20210408
submitted
14/05/2021, 23:50

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General

Target

1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe
Size

36KB
MD5

c40749d85d2fb26295bda6778b5208d4
SHA1

122e03e50e00efb8e7ae3fe156ad5242f3a095b2
SHA256

1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0
SHA512

fe9b2521c781228349693f892aec1d88e772354c292c2d07534ecff50162a990b288273aa6160e392d80a1f1fa732a895ca6f195d0868fa48c0669be2cdf7c0f

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
908	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1976	1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe
1976	1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.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 1976 wrote to memory of 908	1976	1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe	29
PID 1976 wrote to memory of 908	1976	1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe	29
PID 1976 wrote to memory of 908	1976	1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe	29
PID 1976 wrote to memory of 908	1976	1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe	29

C:\Users\Admin\AppData\Local\Temp\1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe
"C:\Users\Admin\AppData\Local\Temp\1f9950f309093d29f84abf9501626a13f1facbe7ae7d728cf050b4426f4271f0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:908

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/1976-59-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

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memory/1976-65-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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