Analysis

  • max time kernel
    155s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    19-02-2022 20:09

General

  • Target

    7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe

  • Size

    70KB

  • MD5

    7bd2621b6c55484cee2f8ee12ebed110

  • SHA1

    9765bee7f6e085b209a9a9f46f997f1f3a8351ff

  • SHA256

    7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574

  • SHA512

    82b833f4599d44548ade3ff69008c49a8608776eb5bca328e09f00aa6a21b47748ce9a38c08b9ba6c354df23b470aeb34bcff0e52e210ebf30041f6f590ba8ab

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Windows directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe
    "C:\Users\Admin\AppData\Local\Temp\7c34eeec1e6edb3ee00c926b06e9e98e6fe9bd2463f7efab8ddcf1bacbcd3574.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:2872
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4764

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    MD5

    5a62f934dd140e8b807078a396247a82

    SHA1

    2f367f015ddc9eaeb60db6f6950442a28812a2de

    SHA256

    9b95e252be6b959112e5d4a7bf395bd460277322c46ba79ce72d61e305d28608

    SHA512

    7f7cca7b5573a2ad6de3178fe8534a7f0e1e8d8926610ddef8cd8dd2f4cd87e1cc71941e54560cd8261b0a97445312a05aa72dbd5bdc8065e9a078252e8f02bd

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    MD5

    5a62f934dd140e8b807078a396247a82

    SHA1

    2f367f015ddc9eaeb60db6f6950442a28812a2de

    SHA256

    9b95e252be6b959112e5d4a7bf395bd460277322c46ba79ce72d61e305d28608

    SHA512

    7f7cca7b5573a2ad6de3178fe8534a7f0e1e8d8926610ddef8cd8dd2f4cd87e1cc71941e54560cd8261b0a97445312a05aa72dbd5bdc8065e9a078252e8f02bd

  • memory/4636-133-0x0000000000590000-0x0000000000591000-memory.dmp
    Filesize

    4KB

  • memory/4764-134-0x0000021CD3520000-0x0000021CD3530000-memory.dmp
    Filesize

    64KB

  • memory/4764-135-0x0000021CD3740000-0x0000021CD3750000-memory.dmp
    Filesize

    64KB

  • memory/4764-138-0x0000021CD5C40000-0x0000021CD5C44000-memory.dmp
    Filesize

    16KB