Overview

overview

8

Static

static

3

e7a0e631b2...71.exe

windows7-x64

8

e7a0e631b2...71.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 03:22

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General

  • Target

    e7a0e631b207f9e3428036b2009e184bda1b0f750d4679e10da78e8fabcec171.exe

  • Size

    408KB

  • MD5

    de2fc5afa3845d736c1fedf7c42a39d6

  • SHA1

    ff59253080cd98edb45c758c9756cb7f999fa9b6

  • SHA256

    e7a0e631b207f9e3428036b2009e184bda1b0f750d4679e10da78e8fabcec171

  • SHA512

    d29e0acd5ba6947bad04b6d536b1d91443bce9136642f23ce1ddc9f938f781235e6acb513a6eb887b08ec44cea0aab7fbddbbedb47a43185d51bc242c4b63e05

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH48:gtRfJcNYFNm8UhlZGse8

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7a0e631b207f9e3428036b2009e184bda1b0f750d4679e10da78e8fabcec171.exe
    "C:\Users\Admin\AppData\Local\Temp\e7a0e631b207f9e3428036b2009e184bda1b0f750d4679e10da78e8fabcec171.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xajdcn.exe "C:\Users\Admin\AppData\Local\Temp\e7a0e631b207f9e3428036b2009e184bda1b0f750d4679e10da78e8fabcec171.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2172
      • C:\Users\Admin\AppData\Local\Temp\xajdcn.exe
        C:\Users\Admin\AppData\Local\Temp\\xajdcn.exe "C:\Users\Admin\AppData\Local\Temp\e7a0e631b207f9e3428036b2009e184bda1b0f750d4679e10da78e8fabcec171.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2952
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\lnwvublj\kimbc.dll",Verify C:\Users\Admin\AppData\Local\Temp\xajdcn.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:3052

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:\Program Files\lnwvublj\kimbc.dll
    Filesize

    228KB

    MD5

    e023530e045cc47e603f9de420cf38d5

    SHA1

    c53b146eecc5cd4c700925247e521d794ce89d38

    SHA256

    81b1801f0ff9d37295bd2f9fc27604cb36ce1f9e95b3ccf9acd53a5940c43d9a

    SHA512

    0dd815c3c0fa64b021aa4b64387dd43e6ac3a37bb42565d0b6089a23adcc1bbb1d9a32794e56147c3e1cd9618090a1add343f071b12cafecab6f6c86c312790e

    Download Submit
  • \Users\Admin\AppData\Local\Temp\xajdcn.exe
    Filesize

    408KB

    MD5

    5f900ed370cc40a9c73f5ea938e3c04b

    SHA1

    96dad4cc95f6a7f6e2d8444d54484b03e5306697

    SHA256

    39882d1d736eeb4b6f734c8f519097e412f1a12759a3e6943e91ff580796ee93

    SHA512

    d243ef43063be6b6b3c7ebc838475ff60cf56e57d22321aa72897144136fa07565f0baed65a10aef505dc037cdbe878f072c60dfb94775d51785d1e4073f59df

    Download Submit
  • memory/1976-0-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/1976-2-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2952-7-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/2952-9-0x0000000000400000-0x0000000000464000-memory.dmp
    Filesize

    400KB

    Download
  • memory/3052-15-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3052-16-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3052-17-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3052-19-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download
  • memory/3052-20-0x0000000010000000-0x0000000010080000-memory.dmp
    Filesize

    512KB

    Download