Analysis

  • max time kernel
    83s
  • max time network
    41s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2022 17:03

General

  • Target

    bb797cf4de9a2f411f916401000904a1.exe

  • Size

    559KB

  • MD5

    bb797cf4de9a2f411f916401000904a1

  • SHA1

    e81b1737a0dc57270850ff2f6eb30a1a542ef5e1

  • SHA256

    aaba43d573b9c6815b1306504b446ff264af67db18c7ad7a32617ca07d90b45f

  • SHA512

    d57ed7dceff0730eb19f6b95fca7c30d79f366eecd245e0062aab8b077eb1b53cf7ed87ecc39053c9f39c46b22031819eda41fa018cc8d98db01d0d424153558

  • SSDEEP

    12288:Sa4Puo3+QtWvSoW6mJEfwQOY9rk9jGwvr2w7+:Sa4GoMlW6mJEY1YxkZ3vyw7+

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe
    "C:\Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe
        "C:\Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1520
  • C:\Windows\svchost.exe
    C:\Windows\svchost.exe
    1⤵
    • Executes dropped EXE
    PID:1608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe

    Filesize

    524KB

    MD5

    4a0d1fc08c5fb5403665fe1ce0cfc4f1

    SHA1

    6534d94b2655b50cabeb7b0a719f47b44795303d

    SHA256

    043cb945358510ce0921ebcd33821e3d2f3f4f15223943e5c816ccf170668fbc

    SHA512

    38b5f27136abb6a82a70794bbc9664e0635b31556880bf079595f49197ec5c9253ab1ef9f027a8528a7982531000e646a232aa82419a8485716e7762a78488d6

  • C:\Windows\svchost.exe

    Filesize

    35KB

    MD5

    9e3c13b6556d5636b745d3e466d47467

    SHA1

    2ac1c19e268c49bc508f83fe3d20f495deb3e538

    SHA256

    20af03add533a6870d524a7c4753b42bfceb56cddd46016c051e23581ba743f8

    SHA512

    5a07ba8a7fcb15f64b129fada2621252b8bc37eb34d4f614c075c064f8ac0d367301eba0c32c5e28b8aa633f6ab604f0dfcc363b34734ce0207ef0d4e8817c4b

  • C:\Windows\svchost.exe

    Filesize

    35KB

    MD5

    9e3c13b6556d5636b745d3e466d47467

    SHA1

    2ac1c19e268c49bc508f83fe3d20f495deb3e538

    SHA256

    20af03add533a6870d524a7c4753b42bfceb56cddd46016c051e23581ba743f8

    SHA512

    5a07ba8a7fcb15f64b129fada2621252b8bc37eb34d4f614c075c064f8ac0d367301eba0c32c5e28b8aa633f6ab604f0dfcc363b34734ce0207ef0d4e8817c4b

  • C:\Windows\svchost.exe

    Filesize

    35KB

    MD5

    9e3c13b6556d5636b745d3e466d47467

    SHA1

    2ac1c19e268c49bc508f83fe3d20f495deb3e538

    SHA256

    20af03add533a6870d524a7c4753b42bfceb56cddd46016c051e23581ba743f8

    SHA512

    5a07ba8a7fcb15f64b129fada2621252b8bc37eb34d4f614c075c064f8ac0d367301eba0c32c5e28b8aa633f6ab604f0dfcc363b34734ce0207ef0d4e8817c4b

  • \Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe

    Filesize

    524KB

    MD5

    4a0d1fc08c5fb5403665fe1ce0cfc4f1

    SHA1

    6534d94b2655b50cabeb7b0a719f47b44795303d

    SHA256

    043cb945358510ce0921ebcd33821e3d2f3f4f15223943e5c816ccf170668fbc

    SHA512

    38b5f27136abb6a82a70794bbc9664e0635b31556880bf079595f49197ec5c9253ab1ef9f027a8528a7982531000e646a232aa82419a8485716e7762a78488d6

  • \Users\Admin\AppData\Local\Temp\bb797cf4de9a2f411f916401000904a1.exe

    Filesize

    524KB

    MD5

    4a0d1fc08c5fb5403665fe1ce0cfc4f1

    SHA1

    6534d94b2655b50cabeb7b0a719f47b44795303d

    SHA256

    043cb945358510ce0921ebcd33821e3d2f3f4f15223943e5c816ccf170668fbc

    SHA512

    38b5f27136abb6a82a70794bbc9664e0635b31556880bf079595f49197ec5c9253ab1ef9f027a8528a7982531000e646a232aa82419a8485716e7762a78488d6

  • memory/1520-59-0x0000000000000000-mapping.dmp

  • memory/1520-61-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB

  • memory/1644-54-0x0000000000000000-mapping.dmp