Overview

overview

8

Static

static

92a4732485...06.exe

windows7-x64

8

92a4732485...06.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    152s
  • max time network
    91s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2022 22:45

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General

  • Target

    92a4732485ff93e7b28b496ba6ab6c9fab46a0ee97bb62ad288fe8df2f834006.exe

  • Size

    328KB

  • MD5

    018faa694378c3dee8a75153512c66e0

  • SHA1

    009e85f8f46c05691850f73f20b0777ff9ca1f60

  • SHA256

    92a4732485ff93e7b28b496ba6ab6c9fab46a0ee97bb62ad288fe8df2f834006

  • SHA512

    ee28def94bec21cffb1a943db065804811efdb55fa197886208ef294c6b31f32f924e2e0e8e77f7addafcf863a893dedee32dad95bf7c2aa6e35691988fa5786

  • SSDEEP

    6144:byWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:bCemx0vN3HKGi6sYjJLUGGtedud5tr7

Score
8/10
adwarediscoveryexploitpersistencestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Possible privilege escalation attempt 4 IoCs
    exploit
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • Deletes itself 1 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Maps connected drives based on registry 3 TTPs 3 IoCs

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

  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\92a4732485ff93e7b28b496ba6ab6c9fab46a0ee97bb62ad288fe8df2f834006.exe
    "C:\Users\Admin\AppData\Local\Temp\92a4732485ff93e7b28b496ba6ab6c9fab46a0ee97bb62ad288fe8df2f834006.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:852
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\wshtcpip.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:276
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:428
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\midimap.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:924
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1544
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Browser Extensions

1
T1176

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

File Permissions Modification

1
T1222

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
    Filesize

    181B

    MD5

    632c3eac69b2406176f239800cf559ff

    SHA1

    0ffefc8408c1d3f762d299afd7b1c528272a34a6

    SHA256

    8b2b59077b8a792eb1296cd8e8c859113dd9a624ccca698933f9601704684a43

    SHA512

    7c86e1e2e6e257dea0a11e499986106104d67ec56aa5bfe9327166332e0eb89296fc8ce36a71ccd7366dea43d942fcb4b141e130501a2dbfe60e61fd76b10cf0

    Download Submit
  • memory/276-60-0x0000000000000000-mapping.dmp
    Download
  • memory/428-61-0x0000000000000000-mapping.dmp
    Download
  • memory/852-57-0x0000000001000000-0x000000000116A000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/852-58-0x00000000002A0000-0x00000000002C0000-memory.dmp
    Filesize

    128KB

    Download
  • memory/852-54-0x0000000075ED1000-0x0000000075ED3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/852-56-0x00000000002A0000-0x00000000002C0000-memory.dmp
    Filesize

    128KB

    Download
  • memory/852-66-0x0000000001000000-0x000000000116A000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/852-55-0x0000000001000000-0x000000000116A000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/924-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1084-62-0x0000000000000000-mapping.dmp
    Download
  • memory/1544-64-0x0000000000000000-mapping.dmp
    Download
  • memory/1716-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1932-65-0x0000000000000000-mapping.dmp
    Download