upatre | 7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048

Analysis

max time kernel
150s
max time network
45s
platform
windows7_x64
resource
win7v20210408
submitted
17-05-2021 05:51

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General

Target

7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe
Size

605KB
MD5

43b32a77be3b8afe9f3c6d7774b6d779
SHA1

e55bbc365429bf20f31a2166a245bff8a4a080f0
SHA256

7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048
SHA512

66fe9cce43b27bc3c18b9b27626a3e2e7480de81b04a40552fec809c32370accdcf5341a2aad35bd9d1f0a108475104ae1295afdf5b5a4afcb4ec0b2ae1e9372

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1004	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1640	7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe
1640	7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.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 1640 wrote to memory of 1004	1640	7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe	29
PID 1640 wrote to memory of 1004	1640	7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe	29
PID 1640 wrote to memory of 1004	1640	7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe	29
PID 1640 wrote to memory of 1004	1640	7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe	29

C:\Users\Admin\AppData\Local\Temp\7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe
"C:\Users\Admin\AppData\Local\Temp\7ac8479e9bc6ed35cdd003bd288126d00ead32347d5696c035f8589791ea3048.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1004

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/1640-60-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/1640-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download