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Analysis

  • max time kernel
    95s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 22:04

General

  • Target

    Grabber Builder/GrabberBuilder.exe

  • Size

    3.4MB

  • MD5

    fb7b19adc02c514e4e396b0184fe4d5b

  • SHA1

    7067272c1aa7dcb9cbe37699da88e18ddcd4e616

  • SHA256

    56f44437618196097836457153108f24370c94cad2f078076e96221797ddff10

  • SHA512

    5df96dabef422b22d54a884289b80d028c8cc0d5cf095d032d5126002c04e826090f61ed549d800a28945f7afcbd7c74debcd65948de01b12463127d1750bc40

  • SSDEEP

    98304:pcO+IuSn/xejlEvsJyrNyPL3Prc/BJUvju+wp:tZr/2xyUPLYZJU6

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 3 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Grabber Builder\GrabberBuilder.exe
    "C:\Users\Admin\AppData\Local\Temp\Grabber Builder\GrabberBuilder.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpAC07.tmp

    Filesize

    40KB

    MD5

    a182561a527f929489bf4b8f74f65cd7

    SHA1

    8cd6866594759711ea1836e86a5b7ca64ee8911f

    SHA256

    42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

    SHA512

    9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

  • C:\Users\Admin\AppData\Local\Temp\tmpAC1D.tmp

    Filesize

    114KB

    MD5

    2e5b34ca73bac7d39579ae5af5c50268

    SHA1

    910b0865cce750b73e308d0c9314edcdcf4162bb

    SHA256

    79f7541d73ed1744fbc041fdeaf95cae2e2a43cf9d73f6d9476b67a5c2ea9695

    SHA512

    95dcb404558da6bf1b58640440f3e26b13bf53b8fe05932e85b85dea7e629a544f2bfef094fdd23fd2ad0692297aad338e23c9e6e516e5c852d6d7c1c97249fc

  • C:\Users\Admin\AppData\Local\Temp\tmpAC48.tmp

    Filesize

    48KB

    MD5

    349e6eb110e34a08924d92f6b334801d

    SHA1

    bdfb289daff51890cc71697b6322aa4b35ec9169

    SHA256

    c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

    SHA512

    2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

  • C:\Users\Admin\AppData\Local\Temp\tmpAC5E.tmp

    Filesize

    20KB

    MD5

    49693267e0adbcd119f9f5e02adf3a80

    SHA1

    3ba3d7f89b8ad195ca82c92737e960e1f2b349df

    SHA256

    d76e7512e496b7c8d9fcd3010a55e2e566881dc6dacaf0343652a4915d47829f

    SHA512

    b4b9fcecf8d277bb0ccbb25e08f3559e3fc519d85d8761d8ad5bca983d04eb55a20d3b742b15b9b31a7c9187da40ad5c48baa7a54664cae4c40aa253165cbaa2

  • C:\Users\Admin\AppData\Local\Temp\tmpAC73.tmp

    Filesize

    116KB

    MD5

    f70aa3fa04f0536280f872ad17973c3d

    SHA1

    50a7b889329a92de1b272d0ecf5fce87395d3123

    SHA256

    8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

    SHA512

    30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

  • C:\Users\Admin\AppData\Local\Temp\tmpAC9E.tmp

    Filesize

    96KB

    MD5

    40f3eb83cc9d4cdb0ad82bd5ff2fb824

    SHA1

    d6582ba879235049134fa9a351ca8f0f785d8835

    SHA256

    cdd772b00ae53d4050150552b67028b7344bb1d345bceb495151cc969c27a0a0

    SHA512

    cdd4dbf0b1ba73464cd7c5008dc05458862e5f608e336b53638a14965becd4781cdea595fd6bd18d0bf402dccffd719da292a6ce67d359527b4691dc6d6d4cc2

  • memory/4372-8-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/4372-39-0x0000000007830000-0x00000000078C2000-memory.dmp

    Filesize

    584KB

  • memory/4372-9-0x00000000052D0000-0x00000000058E8000-memory.dmp

    Filesize

    6.1MB

  • memory/4372-10-0x00000000030F0000-0x0000000003102000-memory.dmp

    Filesize

    72KB

  • memory/4372-11-0x00000000058F0000-0x000000000592C000-memory.dmp

    Filesize

    240KB

  • memory/4372-12-0x0000000005940000-0x000000000598C000-memory.dmp

    Filesize

    304KB

  • memory/4372-13-0x0000000005AD0000-0x0000000005BDA000-memory.dmp

    Filesize

    1.0MB

  • memory/4372-14-0x00000000066D0000-0x0000000006892000-memory.dmp

    Filesize

    1.8MB

  • memory/4372-15-0x00000000068A0000-0x0000000006DCC000-memory.dmp

    Filesize

    5.2MB

  • memory/4372-16-0x0000000007000000-0x0000000007066000-memory.dmp

    Filesize

    408KB

  • memory/4372-17-0x0000000007220000-0x00000000077C4000-memory.dmp

    Filesize

    5.6MB

  • memory/4372-0-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/4372-40-0x00000000078E0000-0x0000000007956000-memory.dmp

    Filesize

    472KB

  • memory/4372-41-0x0000000007B60000-0x0000000007B7E000-memory.dmp

    Filesize

    120KB

  • memory/4372-7-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/4372-5-0x0000000076A00000-0x0000000076AF0000-memory.dmp

    Filesize

    960KB

  • memory/4372-1-0x0000000076A20000-0x0000000076A21000-memory.dmp

    Filesize

    4KB

  • memory/4372-2-0x0000000076A00000-0x0000000076AF0000-memory.dmp

    Filesize

    960KB

  • memory/4372-3-0x0000000076A00000-0x0000000076AF0000-memory.dmp

    Filesize

    960KB

  • memory/4372-4-0x0000000076A00000-0x0000000076AF0000-memory.dmp

    Filesize

    960KB

  • memory/4372-199-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/4372-200-0x0000000076A00000-0x0000000076AF0000-memory.dmp

    Filesize

    960KB