Analysis

  • max time kernel
    16s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-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 3 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:2268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp2055.tmp

    Filesize

    46KB

    MD5

    02d2c46697e3714e49f46b680b9a6b83

    SHA1

    84f98b56d49f01e9b6b76a4e21accf64fd319140

    SHA256

    522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

    SHA512

    60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

  • C:\Users\Admin\AppData\Local\Temp\tmp206A.tmp

    Filesize

    92KB

    MD5

    882ec2bb4bf46a0ee80134f7b7b5d2d7

    SHA1

    4f76f5db450eb1a57199f5e0bb4bb6a61b4a5d7a

    SHA256

    a101a238346d9df0fe89b33f45436042d92878d75c5528ad0b8e201b91db0402

    SHA512

    eed22fb4d714d6c438760378912286d41f4f1e1ad27d62240fd9fc3c304831567e552e2ffe2524a0869d57a0fd7c6494a1fbf1e0d8eb78f58a052be3a3c4caaf

  • memory/2268-21-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-5-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-19-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-18-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-8-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-3-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-2-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-9-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-12-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-11-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-15-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-20-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-105-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/2268-6-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-4-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-17-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-16-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-14-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-10-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-22-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/2268-23-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB

  • memory/2268-24-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-7-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-1-0x0000000076714000-0x0000000076715000-memory.dmp

    Filesize

    4KB

  • memory/2268-104-0x0000000076700000-0x0000000076810000-memory.dmp

    Filesize

    1.1MB

  • memory/2268-0-0x0000000000400000-0x0000000000D28000-memory.dmp

    Filesize

    9.2MB