Overview

overview

8

Static

static

8

2d3ed885c6...57.exe

windows7-x64

8

2d3ed885c6...57.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    65s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2022 15:59

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General

  • Target

    2d3ed885c6695e872ae1320e3969a7e605ddb5109ead65cc94148659332d5757.exe

  • Size

    350KB

  • MD5

    6c6aad50c70a54d79b9e856445e69670

  • SHA1

    9ad7982c7622fbad91a5514ae7aff1fa68586884

  • SHA256

    2d3ed885c6695e872ae1320e3969a7e605ddb5109ead65cc94148659332d5757

  • SHA512

    165983723389ae010b02c7a987cdf2d7462c1d2bd94bd6297d6e54bb6d4912ac35ee01b7dc46ac2e200b9b6f8fc8ce272d75a4fc2821be6b0af997d42d11af41

  • SSDEEP

    6144:gyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:g3BdQLL4BE93NGVYZX9BukJlwxSJdEm

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\2d3ed885c6695e872ae1320e3969a7e605ddb5109ead65cc94148659332d5757.exe
    "C:\Users\Admin\AppData\Local\Temp\2d3ed885c6695e872ae1320e3969a7e605ddb5109ead65cc94148659332d5757.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:1760
    • 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:1156
      • 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:1828
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
      • Deletes itself
      PID:1948

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

    a4c0cc0d8d71b2d74cad9bfa654564db

    SHA1

    015cab7b1af022ddfdbce3e9c957b125a9cf2fd4

    SHA256

    927f9554f9f08e88c0417ead10563a68c855c6278f8f1c237052f97da3aa35f8

    SHA512

    efe58bce4338e38a96b4736a4f82825b9af671ed299f113d8658308e0fd6e691cd03e9a2442b108374bb37e145c29431daa23e57d987d9d5b9911669db0c0708

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  • memory/276-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1156-57-0x0000000000000000-mapping.dmp
    Download
  • memory/1760-54-0x0000000075281000-0x0000000075283000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1760-55-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1760-56-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1760-61-0x0000000001000000-0x000000000112D000-memory.dmp
    Filesize

    1.2MB

    Download
  • memory/1828-59-0x0000000000000000-mapping.dmp
    Download
  • memory/1948-60-0x0000000000000000-mapping.dmp
    Download