Overview

overview

8

Static

static

9c3ca058b0...fe.exe

windows7-x64

8

9c3ca058b0...fe.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    60s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2022 11:28

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General

  • Target

    9c3ca058b0118a94ac81255f59d10a263e036976f3c9ae187011b41c03b2b9fe.exe

  • Size

    328KB

  • MD5

    06d4adf44202aac77777f20847ab1080

  • SHA1

    6adb5f2dc258bef543668571d1009a773ebceaba

  • SHA256

    9c3ca058b0118a94ac81255f59d10a263e036976f3c9ae187011b41c03b2b9fe

  • SHA512

    d37481b2517480ff3b2317ee24fd55cbb2aa584121a15cb4a19525e9977195facabb6942cd6599807afea16e1bff36826302cb01e5e8e51f8bff532c1e08c5ec

  • SSDEEP

    6144:QyWOeLm+tkxoGQvT+W4+HMc+MEGRQ6saHSMf3z0AzbLUG50Tpm+MmvbWdlL0d5aU:QCemx0vN3HKGi6sYjJLUGGtedud5tr7

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\9c3ca058b0118a94ac81255f59d10a263e036976f3c9ae187011b41c03b2b9fe.exe
    "C:\Users\Admin\AppData\Local\Temp\9c3ca058b0118a94ac81255f59d10a263e036976f3c9ae187011b41c03b2b9fe.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:1708
    • 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:1752
      • 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:2036
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1656
    • 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:1536
      • 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:1144
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2016
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1852

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

    55e5d590eb876b0dc367f8553b9f005a

    SHA1

    f5522c5195dcb4f98226a1464ee7c44d83a75b17

    SHA256

    a0e47b324ce32ff4e6933418bfd914c4238168a5037b72b6e2eb74d6fbe6740a

    SHA512

    763ea0073d0db84c0d76336b7c05f8f90411a5782f2b066bacd13cb2c9085147310a77e900807c7ddcdeea6cc4ab6ee5099471edb21bc1e802e8f2a64693a3e9

    Download Submit
  • memory/1144-63-0x0000000000000000-mapping.dmp
    Download
  • memory/1536-62-0x0000000000000000-mapping.dmp
    Download
  • memory/1656-61-0x0000000000000000-mapping.dmp
    Download
  • memory/1708-57-0x0000000001000000-0x000000000116A000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/1708-58-0x00000000003A0000-0x00000000003C0000-memory.dmp
    Filesize

    128KB

    Download
  • memory/1708-54-0x0000000075451000-0x0000000075453000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1708-56-0x00000000003A0000-0x00000000003C0000-memory.dmp
    Filesize

    128KB

    Download
  • memory/1708-66-0x0000000001000000-0x000000000116A000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/1708-55-0x0000000001000000-0x000000000116A000-memory.dmp
    Filesize

    1.4MB

    Download
  • memory/1752-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1852-65-0x0000000000000000-mapping.dmp
    Download
  • memory/2016-64-0x0000000000000000-mapping.dmp
    Download
  • memory/2036-60-0x0000000000000000-mapping.dmp
    Download