Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 02:13

General

  • Target

    23be2a96f4c15306083c180774452e11f42837e297627cd33ad5a9708953cd4c.exe

  • Size

    902KB

  • MD5

    fa02056b1a21f75efabdda81219fb7db

  • SHA1

    3e8dd711bfef09d2db54af75476765d85693c756

  • SHA256

    23be2a96f4c15306083c180774452e11f42837e297627cd33ad5a9708953cd4c

  • SHA512

    af4c4a9d7e6ede0026548136fa4b7c37f8298d055a835a56baf9795bc5b0b3a034a5e2dd2592476c3479fe8b23da338ad615144a91a61b3a47dd6bee00de8088

  • SSDEEP

    24576:ZX22KSCC4VSi/kKJfaklq2E3l8Et2F2Yurik:9ylCQLJfaklc3uEtUWT

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
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Blocklisted process makes network request 8 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23be2a96f4c15306083c180774452e11f42837e297627cd33ad5a9708953cd4c.exe
    "C:\Users\Admin\AppData\Local\Temp\23be2a96f4c15306083c180774452e11f42837e297627cd33ad5a9708953cd4c.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized "$Bnkerkken=Get-Content -Raw 'C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Suborbiculated.Amb';$Burhne=$Bnkerkken.SubString(72926,3);.$Burhne($Bnkerkken)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4480
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\SysWOW64\msiexec.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Blocklisted process makes network request
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0u321v1z.uq5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Ootid.Clo

    Filesize

    317KB

    MD5

    ed6a752afaab73e3a33d22575cb787b6

    SHA1

    1c358cbcba2041f9a7ea8f0083cb1f404c3d459f

    SHA256

    1d4d52364eb7b2e04042e21d69aae9191875155491920a45b590abed8979cd11

    SHA512

    484a6b62681858e6f1a8fb04ca58b83240bb7f7730822add1deb47b3737e7a3e4aee758d37c45944113296a21e6e0b78187c799e286bea7a4227ede75169f5b0

  • C:\Users\Admin\AppData\Roaming\interpellant\stimulere\Chemosis\Suborbiculated.Amb

    Filesize

    71KB

    MD5

    c5aa2dab45cc230922fae97020ebab32

    SHA1

    a20e5e5e121c6bd952eb42a1ec04f81641d28b63

    SHA256

    6dbad8626bf3199ee7b0b29ed5e63fd0a3435c50da9999acee9bb0996c0bc13d

    SHA512

    caaf4d1cefe49a7509858fd59e96ffb7c7b3f7a210fc9d56ceeccd6594e77fdfe6f834f85e9d9e1c83ea9046b96987bdf1e8ee73a0047e39a32874448df50f57

  • memory/2876-88-0x0000000021EA0000-0x0000000021EAA000-memory.dmp

    Filesize

    40KB

  • memory/2876-87-0x0000000022700000-0x0000000022792000-memory.dmp

    Filesize

    584KB

  • memory/2876-85-0x0000000021DE0000-0x0000000021E30000-memory.dmp

    Filesize

    320KB

  • memory/2876-84-0x0000000022530000-0x00000000226F2000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-82-0x00000000219D0000-0x0000000021A6C000-memory.dmp

    Filesize

    624KB

  • memory/2876-81-0x0000000000730000-0x0000000000778000-memory.dmp

    Filesize

    288KB

  • memory/2876-80-0x0000000000730000-0x0000000001984000-memory.dmp

    Filesize

    18.3MB

  • memory/4480-50-0x00000000072D0000-0x00000000072E1000-memory.dmp

    Filesize

    68KB

  • memory/4480-55-0x0000000007A90000-0x0000000007ABA000-memory.dmp

    Filesize

    168KB

  • memory/4480-29-0x0000000006C00000-0x0000000006C1A000-memory.dmp

    Filesize

    104KB

  • memory/4480-30-0x0000000006CF0000-0x0000000006D12000-memory.dmp

    Filesize

    136KB

  • memory/4480-31-0x00000000073A0000-0x0000000007944000-memory.dmp

    Filesize

    5.6MB

  • memory/4480-27-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

    Filesize

    304KB

  • memory/4480-33-0x0000000007FD0000-0x000000000864A000-memory.dmp

    Filesize

    6.5MB

  • memory/4480-35-0x0000000070070000-0x00000000700BC000-memory.dmp

    Filesize

    304KB

  • memory/4480-34-0x0000000007140000-0x0000000007172000-memory.dmp

    Filesize

    200KB

  • memory/4480-46-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-45-0x0000000007120000-0x000000000713E000-memory.dmp

    Filesize

    120KB

  • memory/4480-47-0x0000000007190000-0x0000000007233000-memory.dmp

    Filesize

    652KB

  • memory/4480-48-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-49-0x00000000072B0000-0x00000000072BA000-memory.dmp

    Filesize

    40KB

  • memory/4480-9-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

    Filesize

    4KB

  • memory/4480-51-0x0000000007310000-0x000000000731E000-memory.dmp

    Filesize

    56KB

  • memory/4480-52-0x0000000007320000-0x0000000007334000-memory.dmp

    Filesize

    80KB

  • memory/4480-53-0x0000000007380000-0x000000000739A000-memory.dmp

    Filesize

    104KB

  • memory/4480-54-0x0000000007350000-0x0000000007358000-memory.dmp

    Filesize

    32KB

  • memory/4480-28-0x0000000006C50000-0x0000000006CE6000-memory.dmp

    Filesize

    600KB

  • memory/4480-56-0x0000000007AC0000-0x0000000007AE4000-memory.dmp

    Filesize

    144KB

  • memory/4480-57-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-59-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-58-0x0000000073B3E000-0x0000000073B3F000-memory.dmp

    Filesize

    4KB

  • memory/4480-60-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-26-0x0000000005D40000-0x0000000005D5E000-memory.dmp

    Filesize

    120KB

  • memory/4480-62-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-64-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-63-0x0000000008650000-0x000000000A973000-memory.dmp

    Filesize

    35.1MB

  • memory/4480-65-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-66-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-67-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-21-0x00000000057F0000-0x0000000005B44000-memory.dmp

    Filesize

    3.3MB

  • memory/4480-15-0x0000000005040000-0x00000000050A6000-memory.dmp

    Filesize

    408KB

  • memory/4480-14-0x0000000004EA0000-0x0000000004F06000-memory.dmp

    Filesize

    408KB

  • memory/4480-13-0x0000000004E00000-0x0000000004E22000-memory.dmp

    Filesize

    136KB

  • memory/4480-12-0x00000000051C0000-0x00000000057E8000-memory.dmp

    Filesize

    6.2MB

  • memory/4480-11-0x0000000073B30000-0x00000000742E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-10-0x0000000002390000-0x00000000023C6000-memory.dmp

    Filesize

    216KB