Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 15:47

General

  • Target

    22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe

  • Size

    518KB

  • MD5

    1aae6cc268c7e5f7b4ef8ecf7848ae00

  • SHA1

    1f51f30718cd77bb2bf3f5588048cd84b45acda8

  • SHA256

    22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63

  • SHA512

    84085771b2ab9b45f2a69f8841184a79aad80c708d6b4ce9b336b27a67195cc11aca57fd50752a3cfbc17bc194ade58fbb93598928e77b503ab31c1733d60fc6

  • SSDEEP

    12288:XRV78hkvtMm2pbzH3lzmBI9jD9Bu3faTXXeU:I+vthovMO9jhBsiTXX5

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
  • Loads dropped DLL 2 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe
    "C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2156
    • C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe
      "C:\Users\Admin\AppData\Local\Temp\22c141883e6636e24c9764c9f594c4cb1e25b84e3fc26309f0b017a9a0e69a63.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BooConf.ini

    Filesize

    45B

    MD5

    8b9fc0443d7e48145e2d4b37afb2d37b

    SHA1

    64a5718a478a38ac262d2e46da81d0e88c122a0f

    SHA256

    4f743978ead44260f895c983689d718e31ca826161c447d205021a9d3e010afa

    SHA512

    5126da1d29f662465241c8b51b95783df3f88c8feb8bb1b65dcf354738c48aab4bfb6c0035dfe6b40fa03ae5aaba8f72f1c31343aec7d4edb9c6ebcc773cc3d3

  • C:\Users\Admin\subacidity.lnk

    Filesize

    904B

    MD5

    a069e6ec4c3538e71532d22908685950

    SHA1

    8447d6656aa8d8c1ddf3094e431eb39a22088fce

    SHA256

    a4e0f2bcd53e3ce6af2f2a74c44664402cffb7893f2ea8d5e0252a1624dd718b

    SHA512

    55a54172b50e87080f09c39fc58135e1616628d31d4e4344953545e6f5d45d78fca88646f454b61b111ee505812edfe9a33d5b82fcfba88867e6184137908a37

  • \Users\Admin\AppData\Local\Temp\nsi5B7A.tmp\System.dll

    Filesize

    11KB

    MD5

    3e6bf00b3ac976122f982ae2aadb1c51

    SHA1

    caab188f7fdc84d3fdcb2922edeeb5ed576bd31d

    SHA256

    4ff9b2678d698677c5d9732678f9cf53f17290e09d053691aac4cc6e6f595cbe

    SHA512

    1286f05e6a7e6b691f6e479638e7179897598e171b52eb3a3dc0e830415251069d29416b6d1ffc6d7dce8da5625e1479be06db9b7179e7776659c5c1ad6aa706

  • memory/2156-32-0x0000000077570000-0x0000000077719000-memory.dmp

    Filesize

    1.7MB

  • memory/2156-31-0x0000000077571000-0x0000000077672000-memory.dmp

    Filesize

    1.0MB

  • memory/2784-33-0x0000000077570000-0x0000000077719000-memory.dmp

    Filesize

    1.7MB

  • memory/2784-34-0x0000000000460000-0x00000000014C2000-memory.dmp

    Filesize

    16.4MB

  • memory/2784-56-0x0000000000460000-0x00000000014C2000-memory.dmp

    Filesize

    16.4MB

  • memory/2784-57-0x0000000000460000-0x00000000004A8000-memory.dmp

    Filesize

    288KB