upatre | de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111

Analysis

max time kernel
151s
max time network
127s
platform
windows7_x64
resource
win7v20210410
submitted
09-05-2021 17:35

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General

Target

de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe
Size

151KB
MD5

40d3c1a78e678a50daf2b0da09e98113
SHA1

d62962c94ac8aa9d59b2afb92f6722654d535ae7
SHA256

de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111
SHA512

6460d6e4e37645f661d91463581375bbfe17c06b8f4c0f02f74e012abf81c1d7af5b35db5e081a6a445173894be1fe61dbde1d9ff7a0ba3f26129e6722627101

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
824	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
336	de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe
336	de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.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 336 wrote to memory of 824	336	de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe	29
PID 336 wrote to memory of 824	336	de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe	29
PID 336 wrote to memory of 824	336	de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe	29
PID 336 wrote to memory of 824	336	de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe	29

C:\Users\Admin\AppData\Local\Temp\de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe
"C:\Users\Admin\AppData\Local\Temp\de16bf872e86b5f82d0163db52362384a29a41ea2bd1cbdfe915c71b22ae3111.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:336
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:824

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/336-60-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

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memory/336-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

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