upatre | 65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2

Analysis

max time kernel
154s
max time network
139s
platform
windows7_x64
resource
win7-en-20211208
submitted
19-02-2022 20:25

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General

Target

65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe
Size

605KB
MD5

02cdcb26c34ba3befe7a34432724cfcb
SHA1

1b2586fbb7d67605f935cf0196cbd2dfa54a1075
SHA256

65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2
SHA512

902ad741c5a7bd9a7b4dc0e84e9d0d318378635c09002c55f213e95cffad318401a5603513e5d9e9cc80d76dcfcc044b91f0b5ef1515e16106a775c2b8636b6b

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
608	szgfw.exe

Loads dropped DLL 2 IoCs

pid	Process
952	65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe
952	65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.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 952 wrote to memory of 608	952	65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe	27
PID 952 wrote to memory of 608	952	65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe	27
PID 952 wrote to memory of 608	952	65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe	27
PID 952 wrote to memory of 608	952	65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe	27

C:\Users\Admin\AppData\Local\Temp\65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe
"C:\Users\Admin\AppData\Local\Temp\65d42c0cfa79bf744c4abe28ec4dbd868e279407d601c04f13b81090112f31a2.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:952
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:608

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/952-55-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

Download
memory/952-56-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download