Overview

overview

10

Static

static

8

Copy of In...8.xlsm

windows7_x64

10

Copy of In...8.xlsm

windows10_x64

10

Analysis

  • max time kernel
    70s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11-03-2021 21:00

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Report Analysis Logs

General

  • Target

    Copy of Invoice 7739588.xlsm

  • Size

    396KB

  • MD5

    0ebd66296b64dd6c70e7ed59d8736886

  • SHA1

    20958d81ce924d8ed14e93078b5f661ee85cb263

  • SHA256

    1475636af6d42e5dc6fd8ac8e5a9850dcb6c0f041260dc6dfa705937db677799

  • SHA512

    49365bb54a02e58f0eb1ae9bfc6a020d2a4161ba2d34b350b45b55b985a4836b8756f0da1c880a51f872a18187840c9df5ed201993133c4134924558ab3136dd

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 30 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
    evasionspywaretrojan
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 40 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Copy of Invoice 7739588.xlsm"
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1940
  • C:\Windows\system32\wbem\wmic.exe
    wmic os get /format:"C:\Users\Admin\AppData\Roaming\20F89.xsl"
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:/Windows/Temp//j4nu6.dll JsRelease
      2⤵
        PID:1468

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Modify Registry

    2
    T1112

    Install Root Certificate

    1
    T1130

    Credential Access

    Discovery

    System Information Discovery

    2
    T1082

    Query Registry

    1
    T1012

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\20F89.xsl
      MD5

      d606088a88b3d266af5807f62dfcefeb

      SHA1

      82a9ab249e6b248b5f2cc001e3433015d667d851

      SHA256

      9db0e34e26cdf39ec4ec17e62e8eb17c30b4fd87c588ddf51eb59279c4e46dce

      SHA512

      af88d213b8bb2d5bae4ae225dee2424e556e8150fac123c84a5eb5c64ba63b3f64dae781e1060532e372caf17413792e5539195de80e32d34d9baa3a4ec90121

      Download Submit
    • C:\Windows\Temp\j4nu6.dll
      MD5

      3409b4de03492f8b02c32cd960288d5d

      SHA1

      cc1074cd8d533916cc7987e7dccc2945dad6c1d7

      SHA256

      6265aeba834e21acba0f331bfc8468c39481d5ff7f2ceab4c02c5cef4d5411dc

      SHA512

      9527da64d5081060efcdc7adcda7409b190962a2d9545e7349a34aa83f7a0d0a2486212b757eff3efc9421fe800ebc1e055b43fd3750c03f1b42472f29b4159c

      Download Submit
    • memory/1468-8-0x0000000000000000-mapping.dmp
      Download
    • memory/1572-7-0x000007FEF6680000-0x000007FEF68FA000-memory.dmp
      Filesize

      2.5MB

      Download
    • memory/1940-2-0x000000002F491000-0x000000002F494000-memory.dmp
      Filesize

      12KB

      Download
    • memory/1940-3-0x0000000071821000-0x0000000071823000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1940-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1940-5-0x0000000005AA0000-0x0000000005AA2000-memory.dmp
      Filesize

      8KB

      Download