upatre | 8d3dca33585cf75f58c79577b6aa3876873b0f16988a12dcb2581dfd92a12b74

Analysis

max time kernel
150s
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
16-10-2024 23:57

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General

Target

4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe
Size

13KB
MD5

4fba3011e04fd17086d5ff5c2343c117
SHA1

4c171f0d589d1fff41de4fcfad52351d95b1d752
SHA256

8d3dca33585cf75f58c79577b6aa3876873b0f16988a12dcb2581dfd92a12b74
SHA512

7e52f58fa04be7942fa80777a0f7cccc12ccde3d99a94ad1bd1516666b7c4386461a11b0949acba1f646186073eabf93d20b0dae1db8a65e57e052c53f09a169
SSDEEP

384:6K+dKfzQHxFxRmyja4QhiP7UlY/pjKhYsKUAylUmtybPyly9lyQ:v+dAURFxna4QAPQlYghxKUAyl9tybPyO

Score

10^/10

upatre discovery 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

Processes:

4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

szgfw.exe

pid	Process
4244	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

Processes:

4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exeszgfw.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szgfw.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2988 wrote to memory of 4244	2988	4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe	84
PID 2988 wrote to memory of 4244	2988	4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe	84
PID 2988 wrote to memory of 4244	2988	4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4fba3011e04fd17086d5ff5c2343c117_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- 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:4244

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
13KB

MD5
b0d13421ca279f466f4dce640554239d

SHA1
1d5abbfe407a4b72f1c9e64a92daf7b76e4dda7c

SHA256
55141b7180b6969b5fde16a678540dfc7ad81c23d6a1dfbb9492c84a3ca7f264

SHA512
b5408999fccf8a03dd41174a151501f33a4fe19b381ceb9caf7e1ee5a45ca7936acd5ed92438d9d43e42ee469f9f54e9e644d489d97d98cf57ed6d7f3bca9dcb

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