Overview

overview

7

Static

static

3

2024-05-24...re.exe

windows7-x64

7

2024-05-24...re.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 16:33

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General

  • Target

    2024-05-24_a1c475b1af8aef6f1a60000e831d267b_bkransomware.exe

  • Size

    71KB

  • MD5

    a1c475b1af8aef6f1a60000e831d267b

  • SHA1

    9336f3594bb53abec8b47f7999f0ed2e611957b5

  • SHA256

    6eaa71d6e78d1dfa6ec35bdd635d3a3eae71c73ae97ea90cb5ff6f5911a8145a

  • SHA512

    aed864272d090864f60ecac5defdc89a859022606dfa3fba4b2e67780ec99e6d5cf661c2d3c05d074a921f03411a9f2198027396115e2654ff97962a76982127

  • SSDEEP

    1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTq:ZRpAyazIliazTq

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\2024-05-24_a1c475b1af8aef6f1a60000e831d267b_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-24_a1c475b1af8aef6f1a60000e831d267b_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2232
    • 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:3008

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\QbIberTjp92hRFy.exe
    Filesize

    71KB

    MD5

    0bee3d9ab55f2ba0b8a2b90d308b345d

    SHA1

    ebf0d6633dd373214ccda1a7ae12d27fe0cd984b

    SHA256

    faf2a03dffda522eb9d25355b0ad71538978a1e4f38bca41e9afe2536904046c

    SHA512

    ad8831996cff42293374a434de706bb97f18389cf1909d6cc1a121e15fcc257ab11d26992c2bfd5625f8b986a60571fd349fc934c06c760f31824d956b78566f

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

    Download Submit