Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 22:52

General

  • Target

    01a888677b3451748982fca9cfc80d45b5f9ea851312aac42bb68f517ad32c94N.exe

  • Size

    5.6MB

  • MD5

    6b6eda5ab864b833886cd9513feada10

  • SHA1

    9a95ea5a99db5147214687d0b20fe61a8cd898a7

  • SHA256

    01a888677b3451748982fca9cfc80d45b5f9ea851312aac42bb68f517ad32c94

  • SHA512

    8923b24c9e7f21fdb2f374a1dd0c03ce57c986e88a1b57a71e86be69526495e6096c37509658918312ac7474f6815e36caddfae3686caaaac7bd13f2cdf71d51

  • SSDEEP

    98304:5mqJyrRC7XrIPWGnRFaR59cIZ/cSvojydv6:5m31CbUPBnGVZ/nJdS

Malware Config

Signatures

  • Banload

    Banload variants download malicious files, then install and execute the files.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01a888677b3451748982fca9cfc80d45b5f9ea851312aac42bb68f517ad32c94N.exe
    "C:\Users\Admin\AppData\Local\Temp\01a888677b3451748982fca9cfc80d45b5f9ea851312aac42bb68f517ad32c94N.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2764
    • C:\ProgramData\yfwfy.exe
      "C:\ProgramData\yfwfy.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      PID:2728

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\MSOCache .exe

    Filesize

    6.2MB

    MD5

    e222bd1421ab58b2a607efde835dfb5b

    SHA1

    a1f2a0c20427daeb251277429959978475c96769

    SHA256

    f520143fa37ee2af4d029b83499ff0626318e2cac144804ecaada2033f8d29d8

    SHA512

    6fdedc4ecf3978bc8eb48a4862bdf8b0657235a8bf54f19e74852dc355f2cb1df60d0fb051960c09602f3409957a6fad62da4ce00e0d4463e271ea9a5b8b4b3f

  • C:\ProgramData\Saaaalamm\Mira.h

    Filesize

    2.1MB

    MD5

    6f69f8db5bfe93af6af2529fb4d168d0

    SHA1

    633e46ce9b641fac4c09b83fbb470895acf67885

    SHA256

    64d2a64e120af1965c60964108a5b8b8c4a6a1139db5b07ad990e02a8038e99c

    SHA512

    a6a899a9f7a448e220476e657e768d56494a01027c0170690faaefce5911c0e6fd916271c84224ffe2fb931ea7d20407ade9f8734a2b6fc076787bec3a504299

  • \ProgramData\yfwfy.exe

    Filesize

    4.1MB

    MD5

    185fcf13769319736d9783307db804c7

    SHA1

    38b2cf70afebe2b9f791b958768e922904494743

    SHA256

    ef0981846d70079887547094e95d170137397ceab0ebf1b46e2f1945e1a5b771

    SHA512

    e2cc6d3a474f64ee490c6fc4b6b8325e9e588f0a00565334ee91b669ebef536aa657f865f3c3d3d01c70a735c4b0895683573f92c2154cb18eb0eeceb6a668c9

  • memory/2728-120-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2728-55-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2728-41-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2764-13-0x0000000000400000-0x000000000069E000-memory.dmp

    Filesize

    2.6MB

  • memory/2764-16-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2764-15-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2764-12-0x0000000000400000-0x000000000069E000-memory.dmp

    Filesize

    2.6MB

  • memory/2764-26-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2764-28-0x0000000000400000-0x000000000069E000-memory.dmp

    Filesize

    2.6MB

  • memory/2764-14-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2764-0-0x0000000000400000-0x000000000069E000-memory.dmp

    Filesize

    2.6MB

  • memory/2764-11-0x0000000000400000-0x000000000069E000-memory.dmp

    Filesize

    2.6MB

  • memory/2764-8-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB

  • memory/2764-2-0x00000000030A0000-0x00000000032AC000-memory.dmp

    Filesize

    2.0MB