Overview

overview

8

Static

static

3

7289be2eb7...61.exe

windows7-x64

8

7289be2eb7...61.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 08:02

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General

  • Target

    7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe

  • Size

    415KB

  • MD5

    4fe603cf723f900e85718269da63d171

  • SHA1

    f67285d5a17e2fb0baffc4664d03d24188ea0fae

  • SHA256

    7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861

  • SHA512

    7d7e908c3b0a35c00727ce3055c4fc87bd62eb4b9b53de28e3d6d1099fb4c9f823f75780a1e527f8c85423b6d2411c7184ad71447c82bb78f40ce086b1321fa7

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score
8/10
bootkitdiscoverypersistencespywarestealer

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 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • 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\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe
    "C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\smdjvzg.exe "C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:3456
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1672
      • C:\Users\Admin\AppData\Local\Temp\smdjvzg.exe
        C:\Users\Admin\AppData\Local\Temp\\smdjvzg.exe "C:\Users\Admin\AppData\Local\Temp\7289be2eb7aa856a600494b3505c299963d0dbac068c965753bfd481d8ffa861.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1736
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\emuut\viacxznbg.dll",Verify C:\Users\Admin\AppData\Local\Temp\smdjvzg.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
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\smdjvzg.exe
    Filesize

    416KB

    MD5

    82f3d2297683d10cf92f5847eb737c78

    SHA1

    be09e4c7a03673bc6dd4c993394cdae3ba9e4e16

    SHA256

    5d63ccb75a49ac175ce2d786df8dd375775930a63f4dc5221d1d4e6156f8c5ae

    SHA512

    181d561ba5fdb37d779c2b8ba26bc581fa0fd9d2606045132df836bd1803070c31411f8e786288c8bbe047ba70b61dc0097e99679f6eb3d847357ba5f5071df4

    Download Submit

  • \??\c:\Program Files\emuut\viacxznbg.dll
    Filesize

    228KB

    MD5

    d925929ac9903cf005f98176d3b2bb34

    SHA1

    b1fc8835af9d6788b27ea44513a7d94e17fd630b

    SHA256

    d572ded547c03010f751c909d8e62d89fc31286d772266cfcfeab1ddb16c3728

    SHA512

    c5a315b31e52518e53cc2767c7f86123bf18260ef0ef38d4cf5cfdc4a847648266ca1af88fdb5c585d1d90ad32784bb8fe1ab0876b1b77882af2d683b1c2ce5c

    Download Submit

  • memory/1736-7-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2776-0-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/2776-2-0x0000000000400000-0x0000000000464000-memory.dmp

    Filesize

    400KB

    Download

  • memory/3964-10-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/3964-11-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download

  • memory/3964-13-0x0000000010000000-0x0000000010080000-memory.dmp

    Filesize

    512KB

    Download