Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2023 06:00

General

  • Target

    EPDA & SOA2023.exe

  • Size

    618KB

  • MD5

    6e9f35ee6a2d29698b248c047d7d6934

  • SHA1

    b6d664d46551a496f1264aba26b18c5651d326be

  • SHA256

    ec241a262db494a9d7ba5a4f916376fa89cec1830846ffd396fa4869cbb52f9e

  • SHA512

    473b490a0c62ed3c7314efaa91a464e4c60c21151b8eb400f42fcd39cc0a1a43289bf0d1e2c91614c879e679d1081f0ea0e22e17cad2cf6b39ba642b6559a932

  • SSDEEP

    12288:cysSIqE2ERm+m359N77qRKkjylNBVvpQFU66oX:lfGzcN77qIkWlNBnQp

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • Looks up external IP address via web service 1 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\EPDA & SOA2023.exe
    "C:\Users\Admin\AppData\Local\Temp\EPDA & SOA2023.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SibvxzPjIyNe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SibvxzPjIyNe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5DC0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1488
    • C:\Users\Admin\AppData\Local\Temp\EPDA & SOA2023.exe
      "C:\Users\Admin\AppData\Local\Temp\EPDA & SOA2023.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ixdjvzcd.mq4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp5DC0.tmp

    Filesize

    1KB

    MD5

    efa85f04a597ad5c60c8d95206078c17

    SHA1

    0d558402be83e9b99c3f0dfc54b759426f1d0b30

    SHA256

    0feda1c914f7ec15161c9fbd99fc92f313456c73b1b77d30182b810742f1579c

    SHA512

    5fca9f71bdf8d8a64300314b519e781ffb95f4940ff96689f5185b3438dfef3e8f23a9336ab380a698f0cd415f721a74d8b77af659fc39d256b6d80c03f08ec6

  • memory/1484-145-0x00000000027B0000-0x00000000027E6000-memory.dmp

    Filesize

    216KB

  • memory/1484-179-0x0000000007A30000-0x00000000080AA000-memory.dmp

    Filesize

    6.5MB

  • memory/1484-152-0x00000000053B0000-0x0000000005416000-memory.dmp

    Filesize

    408KB

  • memory/1484-185-0x0000000007700000-0x0000000007708000-memory.dmp

    Filesize

    32KB

  • memory/1484-184-0x0000000007720000-0x000000000773A000-memory.dmp

    Filesize

    104KB

  • memory/1484-183-0x0000000007610000-0x000000000761E000-memory.dmp

    Filesize

    56KB

  • memory/1484-182-0x0000000007660000-0x00000000076F6000-memory.dmp

    Filesize

    600KB

  • memory/1484-181-0x0000000007450000-0x000000000745A000-memory.dmp

    Filesize

    40KB

  • memory/1484-147-0x00000000057F0000-0x0000000005E18000-memory.dmp

    Filesize

    6.2MB

  • memory/1484-180-0x00000000073E0000-0x00000000073FA000-memory.dmp

    Filesize

    104KB

  • memory/1484-149-0x0000000005100000-0x0000000005122000-memory.dmp

    Filesize

    136KB

  • memory/1484-151-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/1484-154-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/1484-153-0x0000000005420000-0x0000000005486000-memory.dmp

    Filesize

    408KB

  • memory/1484-178-0x000000007EEC0000-0x000000007EED0000-memory.dmp

    Filesize

    64KB

  • memory/1484-177-0x0000000006680000-0x000000000669E000-memory.dmp

    Filesize

    120KB

  • memory/1484-164-0x00000000060E0000-0x00000000060FE000-memory.dmp

    Filesize

    120KB

  • memory/1484-165-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/1484-166-0x0000000007290000-0x00000000072C2000-memory.dmp

    Filesize

    200KB

  • memory/1484-167-0x0000000070B30000-0x0000000070B7C000-memory.dmp

    Filesize

    304KB

  • memory/2076-137-0x00000000057E0000-0x00000000057F0000-memory.dmp

    Filesize

    64KB

  • memory/2076-136-0x0000000005610000-0x000000000561A000-memory.dmp

    Filesize

    40KB

  • memory/2076-133-0x0000000000BC0000-0x0000000000C60000-memory.dmp

    Filesize

    640KB

  • memory/2076-135-0x0000000005620000-0x00000000056B2000-memory.dmp

    Filesize

    584KB

  • memory/2076-139-0x0000000007690000-0x000000000772C000-memory.dmp

    Filesize

    624KB

  • memory/2076-138-0x00000000057E0000-0x00000000057F0000-memory.dmp

    Filesize

    64KB

  • memory/2076-134-0x0000000005B30000-0x00000000060D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4068-188-0x00000000055C0000-0x00000000055D0000-memory.dmp

    Filesize

    64KB

  • memory/4068-150-0x00000000055C0000-0x00000000055D0000-memory.dmp

    Filesize

    64KB

  • memory/4068-146-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB