upatre | 7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc

Analysis

max time kernel
151s
max time network
10s
platform
windows7_x64
resource
win7v20210410
submitted
16/05/2021, 04:00

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General

Target

7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe
Size

34KB
MD5

b87fdf4804ad42654167868dd1fe70e8
SHA1

dc613e4201a148cb20ff34880e4ddc4aad6aac8e
SHA256

7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc
SHA512

bb8769d19f758225807d3c910be925b9abc59786841f2e5b9e7ca70e3e4d3000e09c8c187c4e7cd3acbe64d7a0291cfa858eb8d1bea6f33fc8cd5dc58594cddb

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1592	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1072	7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe
1072	7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.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 1072 wrote to memory of 1592	1072	7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe	29
PID 1072 wrote to memory of 1592	1072	7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe	29
PID 1072 wrote to memory of 1592	1072	7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe	29
PID 1072 wrote to memory of 1592	1072	7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe	29

C:\Users\Admin\AppData\Local\Temp\7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe
"C:\Users\Admin\AppData\Local\Temp\7091ec8d1d61ffb263df120459053da3345baab5425948b751ed913d1b5d1bdc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1592

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/1072-60-0x0000000075411000-0x0000000075413000-memory.dmp

Filesize
8KB

Download
memory/1072-66-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download