Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2023 08:27

General

  • Target

    SOA.exe

  • Size

    713KB

  • MD5

    3b7b59917536997d4929921cca58850c

  • SHA1

    420adc000e70e420f0f6f7d862c23d51623edda1

  • SHA256

    bc6376ada7da41e46d4fd7b69303d9f08a89217e1e6ae4077afbf1fc65689118

  • SHA512

    7a6862fd909b112e6461a6f7a1ff54d5426ae65af35b7567d662aac97cb1a3558506a92f130a3d61b785c277c23565e9105a4403c1bc67e63204e5af1a910d81

  • SSDEEP

    12288:xAPKAvNFVW9iIA3inEXfjr6ghBCTiBqhnvoUmZSQHUWeh3ih9HOAjEzjF:aSAvNXWgIznMbr4O+nFmwkUBYTvIzjF

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gupbd.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Gup@1973#2022

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4264
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3988
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HYkiSmDbaEVlRg.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HYkiSmDbaEVlRg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80A9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2008
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:760
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
      2⤵
        PID:4592

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SOA.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

      Filesize

      2KB

      MD5

      968cb9309758126772781b83adb8a28f

      SHA1

      8da30e71accf186b2ba11da1797cf67f8f78b47c

      SHA256

      92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

      SHA512

      4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

      Filesize

      18KB

      MD5

      bc8eb72147ccede389bfedf9f5837c97

      SHA1

      f27dda8a27f60947378cd65a4d741634cba9a078

      SHA256

      7e3c24cd35a3a22674bb5b384b25746f3ab4834e0fd41a43d7f1c1a335b155d1

      SHA512

      4d05744479de721c8ba20cc73f6d4cbe1d8b92cbda2be540b9cce404276317b0a1b83dfaae51a43e7e9c43c7b3f0f429d01c6bb1418123d0eb360dd7a8d02614

    • C:\Users\Admin\AppData\Local\Temp\tmp80A9.tmp

      Filesize

      1KB

      MD5

      bcb4bd6f020c20be926a3c18d8a1726c

      SHA1

      8da41fdf2538e1117584335937e3a247b442c97c

      SHA256

      2bee6096ac6af9d58fc77cdbbaafc21c3579165afa41ff8e67809960b64d9f38

      SHA512

      6b2a1b55811a88b5df153803819eca9ebfd2c1dc174fad00107c5414e06098cf1eb0ab051747e5f33a875b4e7f29d271649ed055fe3146f3230db2b75d982dca

    • memory/760-165-0x0000000006CB0000-0x0000000006E72000-memory.dmp

      Filesize

      1.8MB

    • memory/760-164-0x0000000006A90000-0x0000000006AE0000-memory.dmp

      Filesize

      320KB

    • memory/760-148-0x0000000000400000-0x0000000000430000-memory.dmp

      Filesize

      192KB

    • memory/3988-140-0x00000000020A0000-0x00000000020D6000-memory.dmp

      Filesize

      216KB

    • memory/3988-153-0x0000000006010000-0x000000000602E000-memory.dmp

      Filesize

      120KB

    • memory/3988-161-0x0000000007090000-0x0000000007098000-memory.dmp

      Filesize

      32KB

    • memory/3988-144-0x0000000004BC0000-0x0000000004C26000-memory.dmp

      Filesize

      408KB

    • memory/3988-145-0x0000000004D60000-0x0000000004DC6000-memory.dmp

      Filesize

      408KB

    • memory/3988-159-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

      Filesize

      56KB

    • memory/3988-155-0x00000000073C0000-0x0000000007A3A000-memory.dmp

      Filesize

      6.5MB

    • memory/3988-141-0x0000000004E90000-0x00000000054B8000-memory.dmp

      Filesize

      6.2MB

    • memory/3988-152-0x00000000713F0000-0x000000007143C000-memory.dmp

      Filesize

      304KB

    • memory/4264-132-0x0000000000DB0000-0x0000000000E68000-memory.dmp

      Filesize

      736KB

    • memory/4264-133-0x0000000005DC0000-0x0000000006364000-memory.dmp

      Filesize

      5.6MB

    • memory/4264-134-0x0000000005810000-0x00000000058A2000-memory.dmp

      Filesize

      584KB

    • memory/4264-135-0x00000000058C0000-0x00000000058CA000-memory.dmp

      Filesize

      40KB

    • memory/4264-136-0x00000000093D0000-0x000000000946C000-memory.dmp

      Filesize

      624KB

    • memory/4292-160-0x0000000007DF0000-0x0000000007E0A000-memory.dmp

      Filesize

      104KB

    • memory/4292-157-0x0000000007B20000-0x0000000007B2A000-memory.dmp

      Filesize

      40KB

    • memory/4292-158-0x0000000007D30000-0x0000000007DC6000-memory.dmp

      Filesize

      600KB

    • memory/4292-156-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

      Filesize

      104KB

    • memory/4292-151-0x0000000006D70000-0x0000000006DA2000-memory.dmp

      Filesize

      200KB

    • memory/4292-143-0x00000000058F0000-0x0000000005912000-memory.dmp

      Filesize

      136KB

    • memory/4292-154-0x00000000713F0000-0x000000007143C000-memory.dmp

      Filesize

      304KB

    • memory/4292-150-0x00000000067B0000-0x00000000067CE000-memory.dmp

      Filesize

      120KB