Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    02-04-2024 10:09

General

  • Target

    callerboost.msi

  • Size

    4.3MB

  • MD5

    e5f7079ca80c83e485f3bce73ea6ed9f

  • SHA1

    0d7aaa0d35d08a4a9604e2eb78dec6611149c7ea

  • SHA256

    79831c653ebd81093024ba5c4fef1bd33d3279b2a679e53f7872cedbae994317

  • SHA512

    d895c3d379c1bdeb83a2cdd739039ebe716c1f5b78f69da59eb0432b7bd9000fc9529793068bbf9d3fac75278dcadaf638acd74e716f4311ade63cfdeefb6ff9

  • SSDEEP

    49152:mpUP19qhCxzT+WKjSXnbbAKVTu6YmvuKAFFheHEzM60CPxAimD7Z6lWtB18F:mpWCQbbG909AU0/uQI

Malware Config

Extracted

Family

darkgate

Botnet

admin888

C2

newdomainfortesteenestle.com

Attributes
  • anti_analysis

    true

  • anti_debug

    false

  • anti_vm

    false

  • c2_port

    443

  • check_disk

    false

  • check_ram

    true

  • check_xeon

    false

  • crypter_au3

    false

  • crypter_dll

    false

  • crypter_raw_stub

    false

  • internal_mutex

    VboteghM

  • minimum_disk

    100

  • minimum_ram

    4096

  • ping_interval

    6

  • rootkit

    false

  • startup_persistence

    false

  • username

    admin888

Signatures

  • DarkGate

    DarkGate is an infostealer written in C++.

  • Detect DarkGate stealer 3 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Windows directory 11 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\callerboost.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2168
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2320
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding A5C0DCC2C1E88117E9F415A4B14E00DF
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2584
      • C:\Windows\SysWOW64\ICACLS.EXE
        "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\." /SETINTEGRITYLEVEL (CI)(OI)HIGH
        3⤵
        • Modifies file permissions
        PID:760
      • C:\Windows\SysWOW64\EXPAND.EXE
        "C:\Windows\system32\EXPAND.EXE" -R files.cab -F:* files
        3⤵
        • Drops file in Windows directory
        PID:320
      • C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files\vlc.exe
        "C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files\vlc.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:756
        • \??\c:\temp\Autoit3.exe
          "c:\temp\Autoit3.exe" c:\temp\script.au3
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          PID:556
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c rd /s /q "C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files"
        3⤵
          PID:2824
        • C:\Windows\SysWOW64\ICACLS.EXE
          "C:\Windows\system32\ICACLS.EXE" "C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\." /SETINTEGRITYLEVEL (CI)(OI)LOW
          3⤵
          • Modifies file permissions
          PID:1528
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1764
    • C:\Windows\system32\DrvInst.exe
      DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "0000000000000398" "00000000000003F4"
      1⤵
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      PID:2532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files.cab

      Filesize

      4.0MB

      MD5

      9c0b5c15ba3b3f18f1a62cf3b1682f2d

      SHA1

      25bfe678611fc730b9398f4ef28cf7a7df82d6ff

      SHA256

      5c9547cbdf4b3a806191c8fc57b759266cce4338ee91617f0ec01c123dedeb21

      SHA512

      183ead6d807f49fc68087a25d0e2f4fb842dd4584ebe54c21fc4cf944020c4cfcfd16fd9d77159806efb69483e4a2754baa6352f54f6ec52cb33bd1254a05768

    • C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files\libvlc.dll

      Filesize

      1.5MB

      MD5

      475ad819eabbf4df440af6fbc3b432d1

      SHA1

      02d1b6314ba40bf2743e52140d61dd387029b3be

      SHA256

      f099a415e6a07121787b07889689127d63e88b459a9977ee8616ff6d26b8958f

      SHA512

      25cdf9b6ae54b6f11b9d608e0b40f8d260deaea438559d3a320961047812911b9cdb5dae47d70f00604d53b5a00a66dcc23de2b47006ad8ef0b6c32376214ee4

    • C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files\sqlite3.dll

      Filesize

      1.6MB

      MD5

      1ccb72d537bc0a956501f3a0fc84c8e5

      SHA1

      54cf4083fa1ed467811281fd7ca86428ca17cd18

      SHA256

      4e003f6e8dab88c9a1a95114c4f877b09552b45939bd069df7690ae5daba080f

      SHA512

      b4172df8a39f4ccc297187858ee7fd03af0921e124f73c7c11b80acaf1ce5579c385076cd405fd0ce9c5a32cc1e50f3a8cbdc03f0196301158bd3cfcf58df56c

    • C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\files\vlc.exe

      Filesize

      966KB

      MD5

      035860e139ba6db1b38d5346cb6ff5b6

      SHA1

      d515303cbca3a8ae7a0463fecd418d81b314e650

      SHA256

      16197a321fc7b0a2a311e689621fe4a7cd50fdcb2d163973a31e4fd6352232d7

      SHA512

      14dab9108d85af72001631130923b94483dd1440f24a8eedad41756db3030c5e11e80ec894922c389e09c86e8b721bcbd8594bd3646f484560f89963a7e18cc7

    • C:\Users\Admin\AppData\Local\Temp\MW-6e1454d7-6df8-467e-966e-dc20e6086c88\msiwrapper.ini

      Filesize

      1KB

      MD5

      6265030acffdeb7780e34a5acf42645d

      SHA1

      9be3bf7050a9dae42e5d596300ce5a2e51f39587

      SHA256

      457e748e724a20b4950849375f30e4416b36baf4ce09d2405f7c6a54dfcbe868

      SHA512

      e66a0792270ebcbdcfdd33f98b81c14fe1defc37f1050761b4aa629cdc47ebde06d44d9c65bf348d680cd6a98d0c7e9c524c4685e832b88ffe3ccb01cb87dc32

    • C:\Windows\Installer\MSIAAA1.tmp

      Filesize

      208KB

      MD5

      d82b3fb861129c5d71f0cd2874f97216

      SHA1

      f3fe341d79224126e950d2691d574d147102b18d

      SHA256

      107b32c5b789be9893f24d5bfe22633d25b7a3cae80082ef37b30e056869cc5c

      SHA512

      244b7675e70ab12aa5776f26e30577268573b725d0f145bfc6b848d2bd8f014c9c6eab0fc0e4f0a574ed9ca1d230b2094dd88a2146ef0a6db70dbd815f9a5f5b

    • C:\temp\Autoit3.exe

      Filesize

      872KB

      MD5

      c56b5f0201a3b3de53e561fe76912bfd

      SHA1

      2a4062e10a5de813f5688221dbeb3f3ff33eb417

      SHA256

      237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

      SHA512

      195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

    • \??\c:\temp\script.au3

      Filesize

      470KB

      MD5

      e810ae3de9def29229459bdac592376e

      SHA1

      e0a177c4c668db3ff80f6930924d63582f14084a

      SHA256

      a86cd95594771888b1ca6f4bf6aeafff8820aa6680665305520e0d2f9c0ac4fa

      SHA512

      33e7aec0a7a8690e4a171a73370a3c15663618b318b2264d0df00d2a5d71cab2b552957f0cb7f6f87e4d31ebedd16748e7ccd8379efab02f77bec0b120d244b7

    • \??\c:\temp\test.txt

      Filesize

      76B

      MD5

      36a2bafe0e0b48055b7d081a5c65ae04

      SHA1

      264e2a6296ce42500c1b3cd102f10b08e2c1ff05

      SHA256

      805c7daeb376520828028a8c534984f8a268942253aa332dfe7066a0da669f46

      SHA512

      a50e1bf4416e7bcc847bab7886a61316d03922cb87cd9f76075d080255c2341eefde4a75fb88b2777f9e5fa3d0c96844dc12bf5def31c88ce0948431a6b20c54

    • memory/556-94-0x0000000003700000-0x00000000046D0000-memory.dmp

      Filesize

      15.8MB

    • memory/556-95-0x0000000004D80000-0x00000000050CE000-memory.dmp

      Filesize

      3.3MB

    • memory/556-98-0x0000000004D80000-0x00000000050CE000-memory.dmp

      Filesize

      3.3MB

    • memory/756-85-0x000000013F4D0000-0x000000013F5C8000-memory.dmp

      Filesize

      992KB

    • memory/756-78-0x00000000021C0000-0x000000000235F000-memory.dmp

      Filesize

      1.6MB

    • memory/756-87-0x0000000073A80000-0x0000000073C0D000-memory.dmp

      Filesize

      1.6MB

    • memory/756-89-0x00000000021C0000-0x000000000235F000-memory.dmp

      Filesize

      1.6MB