Analysis

  • max time kernel
    183s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-03-2024 02:33

General

  • Target

    7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe

  • Size

    8.8MB

  • MD5

    2335a750096cb245737b423794866a82

  • SHA1

    29c676cf08535b01889a94bd181bc22f5d70459e

  • SHA256

    7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d

  • SHA512

    6f43936fb086c9e2da62fe29f76f4206bf33e17fd8d853371808873dfe536f8c0978c4db3e79f55f533c11cbeaba65f9841b5175e8d3a1d32c98f6d0c20fc7f9

  • SSDEEP

    196608:lDDbq7CsUmsR1V085lc6oLMmoOHImE459rmO3fXNDcfMvXi:lDDO7C31R1Vp36xzzjDaO3fW0vy

Score
5/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Kills process with taskkill 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe
    "C:\Users\Admin\AppData\Local\Temp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Users\Admin\AppData\Local\Temp\is-57EHJ.tmp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-57EHJ.tmp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp" /SL5="$70222,8637066,199680,C:\Users\Admin\AppData\Local\Temp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:992
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im "ADU.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4496
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im "ADU.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3000
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im "ADU.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2296
      • C:\Windows\SysWOW64\taskkill.exe
        "C:\Windows\System32\taskkill.exe" /f /im "adunotifier.exe"
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-57EHJ.tmp\7771efb67031aade42022b1ec6e9392b65d07e0180b82cb4e68f8709c6f4e03d.tmp

    Filesize

    1.2MB

    MD5

    cd31650b1825f94d40916975931def27

    SHA1

    797184e1856305b590ea138f6fa4139499c1f60b

    SHA256

    04449628d1ca801282bc98f975fee8e6bab850a6bcf23afc5a4d925dcaffc38f

    SHA512

    13d5bcfd76286791ca170c456cea57ffbce3729ae2ecd5c5a86bcc2defb84fca2b1dfeef02cfeef1a7f4f06d9e978c08a1e0eee25290f509d79fa8ac34c3964e

  • C:\Users\Admin\AppData\Local\Temp\is-EDCC4.tmp\isxdl.dll

    Filesize

    152KB

    MD5

    82201cd8f401f00000b7575b24b3ad0b

    SHA1

    fa3659e48990f2ab24f8e1bf9bb650f11641ffe0

    SHA256

    9d64a934a4a12c61a33342151e674100e1ec0074d106612b1e81244234d93d67

    SHA512

    a491696e66c64e751712c028f42cb4067339c7d2b231e7a889f006291c10bc74d6597f1a52270b979b9a63351d1e42cdf302f05cc6840c54551657bd0737ffc4

  • C:\Users\Admin\AppData\Roaming\Systweak\adu\ipini.ini

    Filesize

    10B

    MD5

    d4ba7402ee0b59cbb64b46145f616e89

    SHA1

    e14bc513b5dc75deb3f4e65205811bf19b9bc5ab

    SHA256

    7258c316645790abb6f8d8953be2a28eeab6b932edb658d34c6a79e27f6d7d10

    SHA512

    4a0c03500c0690c0262c84a4c9977332cdd1e24e4424589fbec4a528567ed4bc91d5ed9bf457566da061155d3dc29b4191665322c02aca9f0dbd706e876b099d

  • C:\Users\Admin\AppData\Roaming\Systweak\adu\sfuni.ini

    Filesize

    950B

    MD5

    caf32298001381bb9696645f4db64caa

    SHA1

    d0e50b705ba2c619dd2f202aa7f8f47e74cf2650

    SHA256

    81a16e7543fca64fb42230575baeca38a0d6f28b5a957c24b37961a90782d13d

    SHA512

    3ff840f490f9ad637e427685420ed29591eba2c87cb01a7d4030f684bd93f999d9981c34289f95709138f3d75bb92e30e6560593c849e34acc684b1ac3820589

  • memory/992-7-0x00000000022F0000-0x00000000022F1000-memory.dmp

    Filesize

    4KB

  • memory/992-24-0x0000000000400000-0x000000000053E000-memory.dmp

    Filesize

    1.2MB

  • memory/992-40-0x0000000000400000-0x000000000053E000-memory.dmp

    Filesize

    1.2MB

  • memory/992-42-0x00000000022F0000-0x00000000022F1000-memory.dmp

    Filesize

    4KB

  • memory/4988-1-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/4988-17-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB