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Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2024, 17:57

General

  • Target

    ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe

  • Size

    739KB

  • MD5

    b5a03660242476827750ca96e6e0a69d

  • SHA1

    633163466408f69e051e75a7fb98f7ea78320fcd

  • SHA256

    ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a

  • SHA512

    0575aec2012103e588eea606a3ed4e67747875cefff7142f8d9779f36cfc23bd2b12ed2325ad4fc5cba98e75664eeb7a8ae1bf4900ab94440cac07127fe98332

  • SSDEEP

    12288:SZJpp3RbeX2LA2HNu3ba3beuqTfgE1taWN8LVLCmfxIy7vmzt5vXs60ZMF7dJOuu:STpp35eXeFw23C15aI8LtCs5GvcHs6uu

Malware Config

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.

  • 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 1 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
    "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2444
    • 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\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2812
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mwkamAWUSfGsaX.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwkamAWUSfGsaX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE003.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3044
    • C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe
      "C:\Users\Admin\AppData\Local\Temp\ba953663cd60752b2b928cbf2b34533961cca881d9d5c7cb98b7802988b89f3a.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE003.tmp

    Filesize

    1KB

    MD5

    9699baf5bfbe87f35ea495877be29b32

    SHA1

    299b098d2fa85f80e169549c98361d5ba65e67e4

    SHA256

    2eac572ae92fa4eaa35c7e9b5c7a0a4253459dfb9d515740b217a20a0bc5cf87

    SHA512

    23c2cd77da5728e3d6220e0ef773813323a13f5682fec2f374546b735d0ea4af0ae4ccc044be7f947055e43bf3a40b27f72bc4a11bb4646472c69322297d12a6

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6FLG36JZ5S1WM7X1I8G2.temp

    Filesize

    7KB

    MD5

    69e889779dc14e045c4b351b99597a20

    SHA1

    9d03847a1ff0d157c6cfcb8d7cc694c15b01ef40

    SHA256

    897ce64988e7589b3740b5f2431e66cf9b24f8b3288aed4aec83d7225d95b1da

    SHA512

    99bcb8ab98cc7fd17117a56a201a22a03d2e66e790c8400c167d48f4f0635d77b0a45f506d6b89af4c2f6a5fd3bac42285f41bc39ca3517cfa0983ea459a1177

  • memory/2444-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2444-31-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2444-5-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-6-0x00000000056E0000-0x000000000576E000-memory.dmp

    Filesize

    568KB

  • memory/2444-2-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB

  • memory/2444-1-0x0000000001330000-0x00000000013EE000-memory.dmp

    Filesize

    760KB

  • memory/2444-3-0x0000000000670000-0x000000000068C000-memory.dmp

    Filesize

    112KB

  • memory/2724-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2724-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB