Overview

overview

8

Static

static

8

8c5e8c97e8...8c.exe

windows7-x64

8

8c5e8c97e8...8c.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    69s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-10-2022 08:04

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    8c5e8c97e8bbfbd946a70450ce4752f4ba06605d0140d043a75fd6c1f867018c.exe

  • Size

    350KB

  • MD5

    93aaadc0d0b4a41ce82654d48f857010

  • SHA1

    45812eb55e5a2f6b360645e44b6b07fc48ec640b

  • SHA256

    8c5e8c97e8bbfbd946a70450ce4752f4ba06605d0140d043a75fd6c1f867018c

  • SHA512

    bee069511ea882ca8abde7534b5d1d37c3a6660557c710675decc738bf8ec4f981b80282cae337dfb2115c51d4b4c83ede92ad2ec91ddcbc129d0eb22d079ef6

  • SSDEEP

    6144:EyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:E3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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 3 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\8c5e8c97e8bbfbd946a70450ce4752f4ba06605d0140d043a75fd6c1f867018c.exe
    "C:\Users\Admin\AppData\Local\Temp\8c5e8c97e8bbfbd946a70450ce4752f4ba06605d0140d043a75fd6c1f867018c.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:2036
    • 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:664
      • 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:1916
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:752
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1144

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

Loading Replay Monitor...

Downloads

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

    181B

    MD5

    95033318d5d8464aaae7fef0efb57b86

    SHA1

    5a45a6773ea564bce82e16cde4bf6b593de15831

    SHA256

    953dbe0fed3f7526a8800fec07a9953957e3ad8c9ce8bcc35f7bc47b6cd2d4c9

    SHA512

    cdac408f33db55e53eec07be6f8bc4812f172eb27d2c1d9e78c7fa8157dc998a27275f23f9bf6ec2198b58f9e7aa4e356b9419ef5bfb8a00f70b7073da63852a

    Download Submit
  • memory/664-57-0x0000000000000000-mapping.dmp
    Download
  • memory/752-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1144-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1916-58-0x0000000000000000-mapping.dmp
    Download
  • memory/2036-54-0x0000000075521000-0x0000000075523000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2036-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2036-56-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/2036-61-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download