Overview

overview

7

Static

static

3

2024-05-23...re.exe

windows7-x64

7

2024-05-23...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 03:27

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2024-05-23_1e1e811a22a8d2de12f347ae8df4199b_bkransomware.exe

  • Size

    71KB

  • MD5

    1e1e811a22a8d2de12f347ae8df4199b

  • SHA1

    31463572231e85500b00d9247c8e27c8da4f4599

  • SHA256

    4a71ac5dcead7769bfbb7cb2e8591380f55509aec570463caba3db174f1fb44c

  • SHA512

    838f0585919dfcd804396671993b33c0b8f07763973d5124c87d46fc912474320298d9cf0b300de14785c551582f94ab3b74058d51803d94d34ff76edf3ae6e6

  • SSDEEP

    1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT7:ZhpAyazIlyazT7

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\2024-05-23_1e1e811a22a8d2de12f347ae8df4199b_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-23_1e1e811a22a8d2de12f347ae8df4199b_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2956
    • 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:2864

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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\JjmyDrxZbTbv13r.exe
    Filesize

    71KB

    MD5

    4c0a263b329b96a4bd3582a8af8f008c

    SHA1

    19a3170b1431729d36585d5b8d844dbca3c4fb3d

    SHA256

    55aa1eb08399e81972b9c7f89b733c5180b8475c83c974e429366c426bcf33ba

    SHA512

    49a2b2d629941ec928980aec1a922b8f3e63199eb8645910a07c7361b2ab73334daa4bc978b71ed1aad78dc5a3f30c941e086974a09d53629dae24814a993d67

    Download Submit
  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    66df4ffab62e674af2e75b163563fc0b

    SHA1

    dec8a197312e41eeb3cfef01cb2a443f0205cd6e

    SHA256

    075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

    SHA512

    1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

    Download Submit