Analysis

  • max time kernel
    125s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 13:11

General

  • Target

    hdIt2KwyDuUoSjp.exe

  • Size

    852KB

  • MD5

    91f14f2f493b0510a745b84c53a830aa

  • SHA1

    b25866559dc09ae4ae078a28b021a38ec16247ea

  • SHA256

    0d9002997ab5b1dacce50ec3e131b70218102f036968294965e57e204824a7d0

  • SHA512

    24d8594d5f1a65ca0af1acfa44ca338cfdb3271f6fbc6cbfe1babdfd84cc473bfe824f2ff89564fc749b62a8eaf27ac7e5d6fd46dfbccdfc5f72bacc006da955

  • SSDEEP

    12288:9OJKIO8Df4qv9QsUbQVqE7Vke9PUYMdlaJtGOkXuLdQIa35Hje:9OJpf4qG8VqSVke9PUtkLdQIa356

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.expressocargocamp.com.br
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    4ZRBDZAi92icT8S

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 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 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hdIt2KwyDuUoSjp.exe
    "C:\Users\Admin\AppData\Local\Temp\hdIt2KwyDuUoSjp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2796
    • 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\hdIt2KwyDuUoSjp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4448
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FEeQEHtnWQlx.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:468
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FEeQEHtnWQlx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB7.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3620
    • C:\Users\Admin\AppData\Local\Temp\hdIt2KwyDuUoSjp.exe
      "C:\Users\Admin\AppData\Local\Temp\hdIt2KwyDuUoSjp.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:372

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\hdIt2KwyDuUoSjp.exe.log

    Filesize

    1KB

    MD5

    400f1cc1a0a0ce1cdabda365ab3368ce

    SHA1

    1ecf683f14271d84f3b6063493dce00ff5f42075

    SHA256

    c8fa64f4b69df13ed6408fd4a204f318a36c2f38c85d4a4d42adfc9173f73765

    SHA512

    14c8cfd58d097e5e89c8cabe1e665173f1ccf604a9ef70cdcb84116e265f90819c19c891be408e0ad7e29086a5c2ea2883b7a7d1184878dbbac63e2cabcd1c45

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    07197828435a94c7d8aef62a3bdc8372

    SHA1

    dcbeac4892966f3904263f4e29c422895488c746

    SHA256

    0e7f272e039632665f2df65ab92d79d5ae507ea580dd3d6e6bd1096fa20c89f5

    SHA512

    e1f94c185725cf770b1ac9ed706dd1a90420f2dd6a8171d9e7379a5b5f7dca791e3c7152d66788e4046151b908fc810f1788d6a05baeeb1de58cb0901e5d6944

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uh0dubkh.3u1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpB7.tmp

    Filesize

    1KB

    MD5

    193c9cae44e45543269b3b9b022f516f

    SHA1

    a58f78e505a79d39e0e6f3fa16106506d1223688

    SHA256

    96c235a94648b737751a04eb56e54c3080875a63aee4c9440c026cd306ec751c

    SHA512

    acf0f18121426f5b561024ae319882eee410c55744e3a35985614abcaaed3e68154dee195870d565437c584ea2f257e1f1f72366ff3912b962a141cf8e518e4b

  • memory/372-93-0x0000000009360000-0x000000000988C000-memory.dmp

    Filesize

    5.2MB

  • memory/372-92-0x0000000008AA0000-0x0000000008AF0000-memory.dmp

    Filesize

    320KB

  • memory/372-91-0x0000000008C60000-0x0000000008E22000-memory.dmp

    Filesize

    1.8MB

  • memory/372-41-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/468-75-0x0000000007850000-0x0000000007ECA000-memory.dmp

    Filesize

    6.5MB

  • memory/468-81-0x0000000007440000-0x0000000007454000-memory.dmp

    Filesize

    80KB

  • memory/468-64-0x0000000071930000-0x000000007197C000-memory.dmp

    Filesize

    304KB

  • memory/468-78-0x0000000007480000-0x0000000007516000-memory.dmp

    Filesize

    600KB

  • memory/468-79-0x0000000007400000-0x0000000007411000-memory.dmp

    Filesize

    68KB

  • memory/468-90-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/468-19-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/468-20-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/468-80-0x0000000007430000-0x000000000743E000-memory.dmp

    Filesize

    56KB

  • memory/468-76-0x0000000007200000-0x000000000721A000-memory.dmp

    Filesize

    104KB

  • memory/468-23-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/468-82-0x0000000007540000-0x000000000755A000-memory.dmp

    Filesize

    104KB

  • memory/468-83-0x0000000007520000-0x0000000007528000-memory.dmp

    Filesize

    32KB

  • memory/2796-5-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2796-7-0x00000000056D0000-0x00000000056F6000-memory.dmp

    Filesize

    152KB

  • memory/2796-6-0x0000000005470000-0x000000000550C000-memory.dmp

    Filesize

    624KB

  • memory/2796-8-0x00000000753AE000-0x00000000753AF000-memory.dmp

    Filesize

    4KB

  • memory/2796-49-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2796-10-0x0000000004C60000-0x0000000004CEE000-memory.dmp

    Filesize

    568KB

  • memory/2796-4-0x00000000053A0000-0x00000000053AA000-memory.dmp

    Filesize

    40KB

  • memory/2796-9-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/2796-3-0x0000000005200000-0x0000000005292000-memory.dmp

    Filesize

    584KB

  • memory/2796-2-0x00000000056F0000-0x0000000005C94000-memory.dmp

    Filesize

    5.6MB

  • memory/2796-1-0x0000000000720000-0x00000000007FC000-memory.dmp

    Filesize

    880KB

  • memory/2796-0-0x00000000753AE000-0x00000000753AF000-memory.dmp

    Filesize

    4KB

  • memory/4448-24-0x00000000053A0000-0x00000000053C2000-memory.dmp

    Filesize

    136KB

  • memory/4448-53-0x0000000071930000-0x000000007197C000-memory.dmp

    Filesize

    304KB

  • memory/4448-63-0x00000000073F0000-0x000000000740E000-memory.dmp

    Filesize

    120KB

  • memory/4448-77-0x0000000007600000-0x000000000760A000-memory.dmp

    Filesize

    40KB

  • memory/4448-74-0x0000000007460000-0x0000000007503000-memory.dmp

    Filesize

    652KB

  • memory/4448-52-0x0000000007410000-0x0000000007442000-memory.dmp

    Filesize

    200KB

  • memory/4448-51-0x0000000006310000-0x000000000635C000-memory.dmp

    Filesize

    304KB

  • memory/4448-50-0x0000000006260000-0x000000000627E000-memory.dmp

    Filesize

    120KB

  • memory/4448-46-0x0000000005D70000-0x00000000060C4000-memory.dmp

    Filesize

    3.3MB

  • memory/4448-26-0x0000000005B90000-0x0000000005BF6000-memory.dmp

    Filesize

    408KB

  • memory/4448-25-0x0000000005440000-0x00000000054A6000-memory.dmp

    Filesize

    408KB

  • memory/4448-22-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-89-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-18-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-17-0x0000000005560000-0x0000000005B88000-memory.dmp

    Filesize

    6.2MB

  • memory/4448-16-0x00000000753A0000-0x0000000075B50000-memory.dmp

    Filesize

    7.7MB

  • memory/4448-15-0x0000000002930000-0x0000000002966000-memory.dmp

    Filesize

    216KB