Overview

overview

8

Static

static

3

9e42ade5e8...2c.exe

windows7-x64

8

9e42ade5e8...2c.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 20:14

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General

  • Target

    9e42ade5e8d3c5f1dd8c58b70ee777f12ebc13386600015e658e878b47f52a2c.exe

  • Size

    404KB

  • MD5

    458cd536df97ebfdbb56a78fff80da9e

  • SHA1

    ba459334a7fb31080414f3393bdf77bf596280e9

  • SHA256

    9e42ade5e8d3c5f1dd8c58b70ee777f12ebc13386600015e658e878b47f52a2c

  • SHA512

    46cf3052a40a232c889898fbefb67bff4ffd15f2fc45d22b3f17fef5a18ec781b7c4b0546fc5baa3757c67b35a45bef1e6956192bca700d6c13622d78b0a3fa0

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9e42ade5e8d3c5f1dd8c58b70ee777f12ebc13386600015e658e878b47f52a2c.exe
    "C:\Users\Admin\AppData\Local\Temp\9e42ade5e8d3c5f1dd8c58b70ee777f12ebc13386600015e658e878b47f52a2c.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zaejv.exe "C:\Users\Admin\AppData\Local\Temp\9e42ade5e8d3c5f1dd8c58b70ee777f12ebc13386600015e658e878b47f52a2c.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4964
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:64
      • C:\Users\Admin\AppData\Local\Temp\zaejv.exe
        C:\Users\Admin\AppData\Local\Temp\\zaejv.exe "C:\Users\Admin\AppData\Local\Temp\9e42ade5e8d3c5f1dd8c58b70ee777f12ebc13386600015e658e878b47f52a2c.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4548
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\hfoxj\zboiz.dll",Verify C:\Users\Admin\AppData\Local\Temp\zaejv.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4656

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

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

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\zaejv.exe
    Filesize

    404KB

    MD5

    78c1ac179ac05508a27998fe152b6069

    SHA1

    014606e17797e6872ae426d15027db92a1d6f72c

    SHA256

    b8637c4d437e6ca450b4b0922dde291b9ac5d598cccc187bb50d7d887855712e

    SHA512

    30d3280ae6df3f0d75ef6ea58833c90de7353f9941c66dcdcad51f74e870e6e7d7fe76ad335ea5dfc088771b2b1c37886ab0bc4ebc870228438b24e4d5bf9e88

    Download Submit
  • \??\c:\Program Files\hfoxj\zboiz.dll
    Filesize

    228KB

    MD5

    2470f33e9fb9cbf51fac7d99a935db82

    SHA1

    d14d3aad5c726331a057f6fc1036a1d86322de96

    SHA256

    713f5e41cfa2316f3e7579247cd852f25972c80f420b3ca709c4fd0df76e0837

    SHA512

    c4f8fcc756c5a0a0e730ab31dfdb6c03b5caaec79436bf34545b6303a74834f969e01b560004b0ccc91d9ac2e46699c58cc3c857267ca0220f2e9d117e2f00c6

    Download Submit
  • memory/3196-0-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/3196-2-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/4548-6-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/4548-8-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/4656-11-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/4656-13-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/4656-14-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download