Overview

overview

8

Static

static

8

4a6c7b7b01...62.exe

windows7-x64

8

4a6c7b7b01...62.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    77s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 16:41

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General

  • Target

    4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462.exe

  • Size

    324KB

  • MD5

    50490778e716b7e5fa96a4d17c1d58c6

  • SHA1

    1c703b397a6730946f563f973e174cce26908103

  • SHA256

    4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462

  • SHA512

    e5a47475e3a0290f6ce46073840163232c23c0d200b53aee83efbd3b9344d6ba09f0d719ae29296b403140d604ecb9ad35812fcaf68c2b5be8027e8d21379ae3

  • SSDEEP

    6144:dSqjfrzIxvgJ04rDCKJ04rDC0J04rDC8J04rDCa:jjoIjCKjC0jC8jC

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Drops startup file 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates connected drives 3 TTPs 44 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462.exe
    "C:\Users\Admin\AppData\Local\Temp\4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe
      "C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1580

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Common Files\Microsoft Shared\explorer.exe
    Filesize

    324KB

    MD5

    50490778e716b7e5fa96a4d17c1d58c6

    SHA1

    1c703b397a6730946f563f973e174cce26908103

    SHA256

    4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462

    SHA512

    e5a47475e3a0290f6ce46073840163232c23c0d200b53aee83efbd3b9344d6ba09f0d719ae29296b403140d604ecb9ad35812fcaf68c2b5be8027e8d21379ae3

    Download Submit

  • C:\Program Files (x86)\Common Files\microsoft shared\explorer.exe
    Filesize

    324KB

    MD5

    50490778e716b7e5fa96a4d17c1d58c6

    SHA1

    1c703b397a6730946f563f973e174cce26908103

    SHA256

    4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462

    SHA512

    e5a47475e3a0290f6ce46073840163232c23c0d200b53aee83efbd3b9344d6ba09f0d719ae29296b403140d604ecb9ad35812fcaf68c2b5be8027e8d21379ae3

    Download Submit

  • \Program Files (x86)\Common Files\microsoft shared\explorer.exe
    Filesize

    324KB

    MD5

    50490778e716b7e5fa96a4d17c1d58c6

    SHA1

    1c703b397a6730946f563f973e174cce26908103

    SHA256

    4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462

    SHA512

    e5a47475e3a0290f6ce46073840163232c23c0d200b53aee83efbd3b9344d6ba09f0d719ae29296b403140d604ecb9ad35812fcaf68c2b5be8027e8d21379ae3

    Download Submit

  • \Program Files (x86)\Common Files\microsoft shared\explorer.exe
    Filesize

    324KB

    MD5

    50490778e716b7e5fa96a4d17c1d58c6

    SHA1

    1c703b397a6730946f563f973e174cce26908103

    SHA256

    4a6c7b7b019ffd6a7d01c3677a35c6977d43c4dad483e3fe1ede9436ea27e462

    SHA512

    e5a47475e3a0290f6ce46073840163232c23c0d200b53aee83efbd3b9344d6ba09f0d719ae29296b403140d604ecb9ad35812fcaf68c2b5be8027e8d21379ae3

    Download Submit

  • \Program Files (x86)\Common Files\uiui8.dll
    Filesize

    17KB

    MD5

    90b1f2289c3121611de1b47a54803e38

    SHA1

    8c1a78e9e777072aa60c365feb94b4eaee93ee8a

    SHA256

    28267ad6e645fd72dcb1a218b709c85bcbe34ebb5468f9533b04ff34d7647e0c

    SHA512

    216423e0647d4e40df227cb1bc6b6efddd2e84f5e9a58048219d7e59ec61f46e43e5e47bc4ea4485ef7af6282052113b0e68b73655c3245ec48d826fb8d905d6

    Download Submit

  • memory/1580-62-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/1580-63-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2032-54-0x0000000076031000-0x0000000076033000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2032-60-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2032-61-0x0000000001E80000-0x0000000001ED2000-memory.dmp

    Filesize

    328KB

    Download

  • memory/2032-65-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

    Download