upatre | b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc

Analysis

max time kernel
150s
max time network
148s
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 02:34

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General

Target

b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe
Size

37KB
MD5

a0ac9d59b298230d3a5e737f268007b6
SHA1

3c0db5142bb28b2b49e9743c25ed4d084981fc26
SHA256

b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc
SHA512

5f9130bac208eae021ca81e7e0a24444e3de602111718951fa6edc93ea2ab686ea01b70ea46a153941847ce09202e4f7cd7e813dd3af6f7db63b9a2af4405fef
SSDEEP

768:kf1Y9RRw/dUT6vurGd/pkUOyGAv+rh95k5mw0+7Mb:GY9jw/dUT62rGdiUOWWrNmT7Mb

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe

Executes dropped EXE 1 IoCs

pid	Process
232	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	b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 232	848	b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe	84
PID 848 wrote to memory of 232	848	b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe	84
PID 848 wrote to memory of 232	848	b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe	84

C:\Users\Admin\AppData\Local\Temp\b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe
"C:\Users\Admin\AppData\Local\Temp\b664c98845ceadb9bccbcfc657a28b77d240cb37f6f0a2fa158fecefa4107dbc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:848
- 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:232

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
38KB

MD5
89ca43a87d73b1cdcf35ffc0d1cc4d15

SHA1
eb59c17c056b8b335926bb9b43daeba00493ec0e

SHA256
88af4871053c539f691e70249b497121ea28abea61540b9808edb49ccaa59185

SHA512
2464c809722bdfbef4804351b1d3408f9853203c5c4463852adeb7643f014553dfbf5febfbbb0837136af776779be8fe5431b0275d5c0dfbd0103433d1875d00

Download Submit
memory/232-10-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/848-0-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/848-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download