upatre | 8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2024 00:58

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General

Target

8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
Size

36KB
MD5

ecb28c3e5cc4c9eb89c4a12558fce6d5
SHA1

3bfdde291fd1fdb84bc4bbbfe14afbdb76b63dd3
SHA256

8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f
SHA512

282426245c1efd8cab35ce73e626c7dd9835bb14c3cb121ec552b730845cded83eea72a45d40022dfef91c04da29971ca0a248eff97657ddadabe5d1e3b00886
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mwGx:GY9jw/dUT62rGdiUOWWrNmE

Score

10^/10

upatre discovery downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre
Upatre family
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe

Executes dropped EXE 1 IoCs

pid	Process
3540	szgfw.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3540	1748	8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe	82
PID 1748 wrote to memory of 3540	1748	8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe	82
PID 1748 wrote to memory of 3540	1748	8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe	82

C:\Users\Admin\AppData\Local\Temp\8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe
"C:\Users\Admin\AppData\Local\Temp\8b3dc738630960af2fa7f7b56e753d693da8ebe38c273039e25086e2305f020f.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3540

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
36KB

MD5
a349eaed05840aa6c397d0962b88d4e6

SHA1
3b599f24bd1605f318c4c573c3f569d7924b0b1f

SHA256
be1e0a9dd7231b753de855197b902dae8a7fed19312b6497457891f47aa1888e

SHA512
7236b1b16ec9e2dce35b908ceb746dddea4ed0c82e8a414737ae6628490ef71e6168194efe941be9f321a7f44c0da757995593877c0c1fe2afb6c10f3e112d03

Download Submit
memory/1748-0-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1748-9-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3540-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download