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
    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
    24-05-2024 19:22

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General

  • Target

    2024-05-24_04f2a94d089368a862b44cf4af32e4b2_bkransomware.exe

  • Size

    71KB

  • MD5

    04f2a94d089368a862b44cf4af32e4b2

  • SHA1

    4e269d12e5a96e90810558ff20c94b9ade59aeff

  • SHA256

    7253f95a575ea99ce27e61bf92d4bc734c592ed824aeb8d09c5e38ce44333320

  • SHA512

    4bda50aefa948e2d73b599dde8237cd7a38215073c08c7fca9c2defebbf74c83fe036678e2ff6d5242595fd3e210499d160cf0e871231bfa65271b55d65c63d4

  • SSDEEP

    1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTi:ZRpAyazIliazTi

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_04f2a94d089368a862b44cf4af32e4b2_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-24_04f2a94d089368a862b44cf4af32e4b2_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • 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:2252

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\QCXnatqhct2lLdm.exe
    Filesize

    71KB

    MD5

    16ac490e97c8b2459ffdfbe2f207551e

    SHA1

    c6529ca9586edd1cec8358ef75dd87957447ddbe

    SHA256

    35fd4c921282a446463fb8bcb43814ef2ab0443e63984b6fd75e0977966295d0

    SHA512

    ca12f0961920e5655fb466db4f74e318fdd1fa5e7a091143dfaf000fe9414c78a47583868859382e8eedc68346ac736994226946e88a278927b7b3ad5ab38eff

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

    Download Submit