upatre | 19e9b4524bbab365e60b1e0f75cb73ffee4caa96f57f1033e5701c96474bc65e

Analysis

max time kernel
172s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2022 10:49

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General

Target

741/7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.exe
Size

26KB
MD5

150d9967a7fd0245c8dffad0379cbd3c
SHA1

8864a3c0acb07b2290e6eeb0724664ef7ebd10d6
SHA256

7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161
SHA512

24915931bba92cf824beb2b4e40833f9605d38dcd50a38f1d49c494fe613bf10e2564c0e6e7e9a548af2659fee4e0a9ab9045a029f592b7f93d99f84c8b2610f
SSDEEP

768:v+qAUVByyyNylXUylqylylmMxgMyXAN5IkSFlOxXmkewtWVJ/YBPmt:vNVrklvm

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
1988	szgfw.exe

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.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 3 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 1988	800	7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.exe	79
PID 800 wrote to memory of 1988	800	7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.exe	79
PID 800 wrote to memory of 1988	800	7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.exe	79

C:\Users\Admin\AppData\Local\Temp\741\7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.exe
"C:\Users\Admin\AppData\Local\Temp\741\7500ab453a58077294df5db22376b37d657de4e7356bfb7d48b934924fe68161.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:800
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:1988

Network

MITRE ATT&CK Enterprise v6

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

Replay Monitor

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Downloads

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

Filesize
26KB

MD5
2f71aeb8db2b690c009ed1286023667b

SHA1
f050386d811e2848e80ec06a4c405d3ab2315a9c

SHA256
20e396bccbbd3a34f92a7634c234fb35ab6315f13216b1e8f2f439f9d54f4345

SHA512
500dd7e229b84627bc3b2c731f6fe5272fc117726105b40b380e2f567400a5c00d29835d8647a5cdf826da8808796eeb4f35d0d5705bd95cae7d1514056a7bb5

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

Filesize
26KB

MD5
2f71aeb8db2b690c009ed1286023667b

SHA1
f050386d811e2848e80ec06a4c405d3ab2315a9c

SHA256
20e396bccbbd3a34f92a7634c234fb35ab6315f13216b1e8f2f439f9d54f4345

SHA512
500dd7e229b84627bc3b2c731f6fe5272fc117726105b40b380e2f567400a5c00d29835d8647a5cdf826da8808796eeb4f35d0d5705bd95cae7d1514056a7bb5

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