Overview

overview

7

Static

static

3

2024-07-27...re.exe

windows7-x64

7

2024-07-27...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    117s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    27/07/2024, 04:02

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General

  • Target

    2024-07-27_b2dbc7ac76c1cf283e3c5cfed0d972cd_bkransomware.exe

  • Size

    518KB

  • MD5

    b2dbc7ac76c1cf283e3c5cfed0d972cd

  • SHA1

    152fc2f108e9d83340aabf60842cb7cc84f03a99

  • SHA256

    580fa847651c4525229135c7d8bd0d180b68ac839e265f2be02741f748ac59f9

  • SHA512

    1e416369df4e43bfd826a416fa0ff1083ae720000d3e9dc1162341509a053a670a457fdad4cdb4941d71d1df374e145b535182ee8dc752ba978f295b1e7f9b79

  • SSDEEP

    12288:xC0rk/VBTR8VwrHo0s8VarzDLlq+TKnv+VWuvs:DyPR8VwtsQyznMmKW/k

Score
7/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-27_b2dbc7ac76c1cf283e3c5cfed0d972cd_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-27_b2dbc7ac76c1cf283e3c5cfed0d972cd_bkransomware.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2372
    • C:\Users\Admin\AppData\Local\Temp\Z8UYuXdW9wjgEx6.exe
      C:\Users\Admin\AppData\Local\Temp\Z8UYuXdW9wjgEx6.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2656
    • C:\Windows\CTS.exe
      "C:\Windows\CTS.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Z8UYuXdW9wjgEx6.exe
    Filesize

    447KB

    MD5

    3f461ca3e3d9da036cf1a4a06ddf4fb4

    SHA1

    15395e4b656cee3a708bc50c1094e3fa0c46802e

    SHA256

    cd8e84c1f8d1ee3a7014343e3fb236329d2b67c1ec233ea4b208d99e3f95105b

    SHA512

    d0cb3f56db648c9ee151990260a864cdcd0d508a1dafcd741d8b2ccd8f73ba29607f384a4e2752502419cfd4a41d2288d7c3ffec93925be85fc39dad9c01e7f5

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

    Download Submit