Analysis

  • max time kernel
    163s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    19-02-2022 19:23

General

  • Target

    bce698b6acbbc9e780991dc8a27f9da689404be2d653127ed44517d5756a0ed8.exe

  • Size

    271KB

  • MD5

    ed5e5dd416d308fcc8ffe013e6d97624

  • SHA1

    adda802af28cfb0560beee90b06b2f1fc16790f0

  • SHA256

    bce698b6acbbc9e780991dc8a27f9da689404be2d653127ed44517d5756a0ed8

  • SHA512

    f77e627e893cfd0df5d29bb1aada3cd28d019f02ff8a4d559f7b2d5431b3fec255168b7fbb043b7cf9ca2e199405cea4242c6599c757c5e1462c6772e1adeab7

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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 48 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bce698b6acbbc9e780991dc8a27f9da689404be2d653127ed44517d5756a0ed8.exe
    "C:\Users\Admin\AppData\Local\Temp\bce698b6acbbc9e780991dc8a27f9da689404be2d653127ed44517d5756a0ed8.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3536
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:896
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3024
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:1576
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3536-130-0x0000000000560000-0x0000000000561000-memory.dmp

    Filesize

    4KB