Overview

overview

7

Static

static

3

2024-04-28...re.exe

windows7-x64

7

2024-04-28...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 15:23

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General

  • Target

    2024-04-28_063a9b8516cb66c31fb2eb3b5c582ddc_bkransomware.exe

  • Size

    72KB

  • MD5

    063a9b8516cb66c31fb2eb3b5c582ddc

  • SHA1

    e4a5fa43112d449de432c530715cadea014289d3

  • SHA256

    23ad36ea83c7aa91a923b634fc1192e1c68a69aef065ae870d9cdd7cc3e7b170

  • SHA512

    f4a525e589366f53f8ddff88d60d3912f40fa78ef79fcfc0a188ec64dfabca4a5a7210ea5a041523a28c385f531b6f5cd64d4cd5b793b17e32338551eeb76d8c

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTli:ZhpAyazIlyazTli

Score
7/10
persistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 1 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
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-28_063a9b8516cb66c31fb2eb3b5c582ddc_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-28_063a9b8516cb66c31fb2eb3b5c582ddc_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2004
    • 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:2772

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\c3lTlStzlW3TBAL.exe
    Filesize

    72KB

    MD5

    56cfb7a52217c790bc6f8923f5615dcd

    SHA1

    1e1fd51611032684d4ee223143fcf4d00bbc4ff0

    SHA256

    1f5be1dc7b0c552b3d52850646ba75a32f394a11fb87cb0337b586e9ef280782

    SHA512

    8d1b29d67ee6c5970e8a2abe8ef6065726cb34cf25024f0cb208d77ef9fcff787317254e1e1c0007111f10778af5c7a0545727b30a94be23998ee222f668edc0

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

    Download Submit