upatre | 19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176

Analysis

max time kernel
163s
max time network
130s
platform
windows7_x64
resource
win7-en-20211208
submitted
14-02-2022 08:19

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General

Target

19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe
Size

29KB
MD5

1fa46b0e122c210a6dedfbd9e4b73f4c
SHA1

9f9a8a087388416dbd84ab93371bcd38bd617d3d
SHA256

19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176
SHA512

7e1587148fb0b1435d87323baa476956decaf130d0689ea5bf9241571b99850f361ac67824ba213bd62b2ab98331f5e8ecba0947ea3ba0b5ea8befbe76c7f9bc

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
588	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
1912	19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe
1912	19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.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 1912 wrote to memory of 588	1912	19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe	27
PID 1912 wrote to memory of 588	1912	19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe	27
PID 1912 wrote to memory of 588	1912	19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe	27
PID 1912 wrote to memory of 588	1912	19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe	27

C:\Users\Admin\AppData\Local\Temp\19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe
"C:\Users\Admin\AppData\Local\Temp\19310dc6efef69446d55c4e3c91057ffa7645f4bf705a81be0b2069487952176.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:588

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/588-60-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1912-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download