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
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 14:38

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General

  • Target

    2024-04-28_6d63c060e95b627e85004b27e3251301_bkransomware.exe

  • Size

    71KB

  • MD5

    6d63c060e95b627e85004b27e3251301

  • SHA1

    1881186be5d4a776b17eb9e6a8db4272d2b3417f

  • SHA256

    4861efcced10e1b511aec9dd444eea4d02e4f762ba23766d2958810f0b418789

  • SHA512

    afd305db38004e2fe390cc31a9a2d2c9ed7a3f73b45392d538a565c42c753a64e2494a59dbc481fb978845829605ee8009c3704883749a798cd091b46488644d

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT2iU:ZhpAyazIlyazT2iU

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_6d63c060e95b627e85004b27e3251301_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-28_6d63c060e95b627e85004b27e3251301_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1704
    • 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:2404

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\Ty1KExcfjAWGwGI.exe
    Filesize

    71KB

    MD5

    597d5549ec9e453fefa75564d5ec9857

    SHA1

    31b31ef7b8ecd322e48680b5640132298e6c12a9

    SHA256

    6798204de952c255eba6e1e346dc770baae7d6bded8b1f993da8369afcb48109

    SHA512

    bbddc6c89f245ffbec908f997b10dbcd6a3aa10e67338fe1cbb0c73edffa52a697ae831a17d3caf5f8c7b5a6b896b63495c67a0ba0adbd8ddcfdb174d3a55ca6

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

    Download Submit