Overview

overview

8

Static

static

8

5775733017...a2.exe

windows7-x64

8

5775733017...a2.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    62s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2022 03:55

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General

  • Target

    577573301757bb1158a2ca8a893a2757cf2ccc17ecea701946fcce57409eb4a2.exe

  • Size

    350KB

  • MD5

    183c5dad4bfd2535b75af379feb807c0

  • SHA1

    8cec1f3da6c5ebc3407228927b3419fac64381a2

  • SHA256

    577573301757bb1158a2ca8a893a2757cf2ccc17ecea701946fcce57409eb4a2

  • SHA512

    0f2aade511941d18c1db522a7f89191745c1defceffe64f298e85c916fb29fb7dc401fd723925ee9ce02b61d70a561d9fb442075f1b5998c502151c81239161f

  • SSDEEP

    6144:PyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:P3BdQLL4BE93NGVYZX9BukJlwxSJdEm

Score
8/10
adwarediscoveryexploitpersistencestealerupx

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Possible privilege escalation attempt 2 IoCs
    exploit
  • Sets service image path in registry 2 TTPs 2 IoCs
    persistence
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Deletes itself 1 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
    discovery
  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

    stealeradware
  • Drops file in System32 directory 5 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\577573301757bb1158a2ca8a893a2757cf2ccc17ecea701946fcce57409eb4a2.exe
    "C:\Users\Admin\AppData\Local\Temp\577573301757bb1158a2ca8a893a2757cf2ccc17ecea701946fcce57409eb4a2.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1896
    • 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:684
      • 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:364
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:1152
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1964

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

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

    b68f5a984bb8dd9484f78ec74900e187

    SHA1

    42c73c714e4d4aac01eda56f44d3a13229423c17

    SHA256

    e8acd166b70f5270bc3422cbef4e202793dd0dc82b855af51db973daa0355fc3

    SHA512

    b9ce1f0960355b6da2d0755774bd378831d913047c52c2d0376b8186d1db53c2146202e84020e53fc00f12eb191fec1ed69859d315d2436ba8d1a1b484ddac36

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  • memory/364-57-0x0000000000000000-mapping.dmp
    Download
  • memory/684-56-0x0000000000000000-mapping.dmp
    Download
  • memory/1152-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1896-54-0x0000000075201000-0x0000000075203000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1896-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1896-60-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1964-59-0x0000000000000000-mapping.dmp
    Download