upatre | a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855

Analysis

max time kernel
8s
max time network
11s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2022 15:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe
Size

36KB
MD5

b13503d3caf5584720a03e30cc78368d
SHA1

1b2e9c74b05a8a1b511727d488017cf3045042c7
SHA256

a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855
SHA512

e6a8516ab0f53c859902a87f0ac106bfa17117310a2b2381b8a8076d3ade9dae967e0cac3b9390223f1bceb7939dea1b4cda250d913d23c75b240612893a9ceb
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95kyq0Quh:GY9jw/dUT62rGdiUOWWrNH

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre
Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid process

4392 szgfw.exe

pid	process
4392	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

Processes:

a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.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

Processes:

a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe

description	pid	process	target process
PID 3400 wrote to memory of 4392	3400	a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe	szgfw.exe
PID 3400 wrote to memory of 4392	3400	a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe	szgfw.exe
PID 3400 wrote to memory of 4392	3400	a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe	szgfw.exe

C:\Users\Admin\AppData\Local\Temp\a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe
"C:\Users\Admin\AppData\Local\Temp\a52221256cbad99355bdc1d4f39e75b39e8ac1aeee690b16dfedd9246c30d855.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3400

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
"C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
2⤵
- Executes dropped EXE
PID:4392

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
36KB

MD5
46cb801c0d006a81e7930a76ac2b28fe

SHA1
a25936fcb5bb1ecdee8e2e56d5d92031e302f4b5

SHA256
b39f7ade991faab0e06c5e55c49d22d75e15bfaffe1d8369c094147d2493d85b

SHA512
4893b879b228de9a1955147823f6e871db9de8cc80e8bc79e9eb57f383947d8f03956e98cee47f0a1ade1fe91d739399be3500bbdec59bbbc7222beeecfe6864

Download Submit
C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Filesize
36KB

MD5
46cb801c0d006a81e7930a76ac2b28fe

SHA1
a25936fcb5bb1ecdee8e2e56d5d92031e302f4b5

SHA256
b39f7ade991faab0e06c5e55c49d22d75e15bfaffe1d8369c094147d2493d85b

SHA512
4893b879b228de9a1955147823f6e871db9de8cc80e8bc79e9eb57f383947d8f03956e98cee47f0a1ade1fe91d739399be3500bbdec59bbbc7222beeecfe6864

Download Submit
memory/4392-132-0x0000000000000000-mapping.dmp

Download