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
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 03:47

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General

  • Target

    2024-05-23_a5c6f0537e7a3371b7cf4799e09d710c_bkransomware.exe

  • Size

    71KB

  • MD5

    a5c6f0537e7a3371b7cf4799e09d710c

  • SHA1

    72f0c2dc4c404774e3fe83c87bbad4fc96283397

  • SHA256

    252d8c1d88c2a702e0b082506f30e603b7fb54bb1081f121aa81e32b49dbd2df

  • SHA512

    70f38764f863c98788e594c81376786011538ea809d2d899876fe12fc07ceb81909f16eca1f31fdddf7db0fba2187184d61c610966c4615b6841dd14320e34f0

  • SSDEEP

    1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazTL:ZRpAyazIliazTL

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_a5c6f0537e7a3371b7cf4799e09d710c_bkransomware.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-23_a5c6f0537e7a3371b7cf4799e09d710c_bkransomware.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1284
    • 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:2240

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\67CLTRxVUsV2U71.exe
    Filesize

    71KB

    MD5

    f4ace4bf75e1b3f0ad87b8471f7601ed

    SHA1

    8d62b767dd324f00cd0c39fb834271e2f5ec70b5

    SHA256

    a69c6a7ddf9cff3814faecabf6f6aa27a5916d32ea8e02ef04c8b119ef50d3a3

    SHA512

    f160179eaed7b505cc00702a916186b25e3b73a7964d231340cb88b2384135f0a3b2a0f8e130e01df7ee8603ba680d4e5e282f360ca011c43d266a25c6abfcf1

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  • C:\Windows\CTS.exe
    Filesize

    71KB

    MD5

    f9d4ab0a726adc9b5e4b7d7b724912f1

    SHA1

    3d42ca2098475924f70ee4a831c4f003b4682328

    SHA256

    b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

    SHA512

    22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

    Download Submit