upatre | 337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6

Analysis

max time kernel
150s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20/06/2022, 02:14

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General

Target
337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.exe
Size 607KB
Sample220620-cnzhfadff8
SHA256 337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6
MD5 6b652b5c7c5224113c295493083800ba
SHA1 69c36cc23cf3d07619b548a8dd80d2de260a7171
SHA512 b85614dd89a94b6dd43f68a83dd17fe922adbd9c3696b3de7ec1bf64cc52459be01d93c24cf31b102e7e33604da9fe3cb0f4de4e91207b6860c2f8adfd2ef597
MD5 SHA1 SHA512

Score

10^/10

upatre downloader

Malware Config

Signatures

Upatre
Upatre is a generic malware downloader.
downloader upatre

Executes dropped EXE 1 IoCs

pid	Process
2672	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-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.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 1928 wrote to memory of 2672	1928	337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.exe	80
PID 1928 wrote to memory of 2672	1928	337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.exe	80
PID 1928 wrote to memory of 2672	1928	337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.exe	80

C:\Users\Admin\AppData\Local\Temp\337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.exe
"C:\Users\Admin\AppData\Local\Temp\337ab03fe0907ec65570d11d52cfd0e74d3804ca8ec53419ee4a832bb3b47db6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\szgfw.exe
  "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2672

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

szgfw.exe

Path C:\Users\Admin\AppData\Local\Temp\szgfw.exe
Size 608KB
SHA256 58dd16bc67f303729413d2feb8e9044e77c1ea78ebd9d14b7f3b5f88d1ede598
MD5 a2380115e38c05e743b69c8132a27987
SHA1 ec4508bfb5dd5dc2cfdc866980a64239fb19bdb7
SHA512 0c74082bb2eab6c1d9d395bf6824ab8e0a246b010aeff01c2a6c18524a7ab6728afa4843de93e3cca350002f6ea4335a083bdafea9e89fc6b7f82a3de0d7c1ee
SSDEEP 12288:GAfE+BTw4yzTaS/sgeaHd6MY4f6U8BqW+v/vhP3DF:pynTTBd6OC6v/vhPTF
MD5 SHA1 SHA512 SSDEEP

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