Overview

overview

9

Static

static

3

2024-11-21...er.exe

windows7-x64

9

2024-11-21...er.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    48s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2024, 04:07

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General

  • Target

    2024-11-21_58927a69657702c9ba253080a8055979_bitrat_cobalt-strike_venus-locker.exe

  • Size

    513KB

  • MD5

    58927a69657702c9ba253080a8055979

  • SHA1

    beacef5ddb4a5f27d104b1ef41958bd4d5753375

  • SHA256

    40786a54e15726f80eb14b1433834a0a34e7b220ea2f6790b1dcc20827083b80

  • SHA512

    7e8fd932d2f8b710f3c7202e45dd826d0319963dda1cb3091a70a11db0ae7fade9f1f1e27ce9c5621badc54054fde175603de14533efc63bbec94c3d55359aed

  • SSDEEP

    6144:0dKyZEYF+JAm3tdLVOE7O9l+ZMz9LB5V0QE6BkLrHlPIyZRAO4V50DEroE0Rjp13:0diYF+JAm3tdLVOigz9dXtVmLr71DL

Score
9/10
discoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (21035) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops file in Drivers directory 44 IoCs
  • Manipulates Digital Signatures 4 IoCs

    Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 12 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

    discovery
  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_58927a69657702c9ba253080a8055979_bitrat_cobalt-strike_venus-locker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_58927a69657702c9ba253080a8055979_bitrat_cobalt-strike_venus-locker.exe"
    1⤵
    • Drops file in Drivers directory
    • Manipulates Digital Signatures
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2180

Network

MITRE ATT&CK Enterprise v15

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Downloads