upatre | c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13-03-2024 00:38

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General

Target

c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe
Size

66KB
MD5

20447d1d9f05f74ea93258ba5f8ae021
SHA1

c6e63b89f74a76c9304c1a489b5c8be0c6452f69
SHA256

c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291
SHA512

cff01cf0ccf917ffa3030dfc2f09b2fd0fe91e64e4ae2562777fbf205aee4bbd5e99d5ade661e26c597b4c67dcef6dcaa3ccb9e1d3cac547c3faa5ae8efe5c3a
SSDEEP

1536:5Y9jw/dUT62rGdiUOWWrMffJ+AxM+I+ceWgP/KmVy:5Y9CUT62/UOVMffJ+AW+I+cn

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-275798769-4264537674-1142822080-1000\Control Panel\International\Geo\Nation	c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe

Executes dropped EXE 1 IoCs

pid	Process
5100	szgfw.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 5100	3588	c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe	99
PID 3588 wrote to memory of 5100	3588	c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe	99
PID 3588 wrote to memory of 5100	3588	c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe	99

C:\Users\Admin\AppData\Local\Temp\c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe
"C:\Users\Admin\AppData\Local\Temp\c276785b15afc27780b4f90df5a97e8ab1f4b9dc6d86b21caf21dc6991e01291.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:5100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe

Filesize
66KB

MD5
b52361601ae4fd5577467fbbfbd35404

SHA1
8767c060afe47a68206f58f48f885d390e5b4038

SHA256
6f6c593ef486da8bd57c2ebe68239e8b4f3a61ecd2dfc8fa05483683072763e0

SHA512
22afd8f53ac0a47ff81eeaf780869567cf3d1c867bbce30fb7287fe1a66739821b85ecb4fae5f08333fd58843a22abc63deb6cdb99817d51bb3f981ec44199c2

Download Submit
memory/3588-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3588-9-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/5100-10-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download