Analysis

  • max time kernel
    122s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06/11/2024, 14:12

General

  • Target

    6062a990795f7af3b1199402759b849f50a98bc6702a5b8dd3298bebcca108a5.exe

  • Size

    972KB

  • MD5

    faaeca52d0c68d9b5574032cd91bacac

  • SHA1

    f26d81b5697b350bc857c0a91d7c2a05d9b8ccf2

  • SHA256

    6062a990795f7af3b1199402759b849f50a98bc6702a5b8dd3298bebcca108a5

  • SHA512

    ddd6e1496b422a59eb9a4c4ae1a98a1cf7978abe741f68264ff1e41aeb66394179eecd0f10479ac74906a62e351f525c8cf644e18f40da6d7cd6140cd17c4cec

  • SSDEEP

    12288:tqiaD9ZddrmFBBYLc1u1rmNa1zF6rWowo3lItWMTCJqCOlQ:RM93ozYLb1CNGcrh9+tW40OO

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
  • 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 2 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\6062a990795f7af3b1199402759b849f50a98bc6702a5b8dd3298bebcca108a5.exe
    "C:\Users\Admin\AppData\Local\Temp\6062a990795f7af3b1199402759b849f50a98bc6702a5b8dd3298bebcca108a5.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:1508
    • C:\Users\Admin\AppData\Local\Temp\6062a990795f7af3b1199402759b849f50a98bc6702a5b8dd3298bebcca108a5.exe
      "C:\Users\Admin\AppData\Local\Temp\6062a990795f7af3b1199402759b849f50a98bc6702a5b8dd3298bebcca108a5.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nseF0F8.tmp

    Filesize

    60B

    MD5

    bf52d40b1511466d295685b54dbc3d59

    SHA1

    88162c1863a24daf1f888b5c13aec2f03b6898ac

    SHA256

    54d387d41b4e0e02dea90966ff6c8e28b66741b74cd43380fb02638d643d8919

    SHA512

    6b99610a877d14ec763574171a55e30a35343012388ad0c9f5a5fc2525dfd3f3d388041e188d5eb332bab0b7283b869802d27a0e5441d4a00e954f610b2c9f7f

  • C:\Users\Admin\AppData\Local\Temp\nsoF097.tmp

    Filesize

    74B

    MD5

    16d513397f3c1f8334e8f3e4fc49828f

    SHA1

    4ee15afca81ca6a13af4e38240099b730d6931f0

    SHA256

    d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36

    SHA512

    4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3

  • C:\Users\Admin\AppData\Local\Temp\nstF108.tmp

    Filesize

    56B

    MD5

    bb7e90db1f0b57af0d0b53819d13ec01

    SHA1

    6af6105d870c458fab9ee20b3bcc4060e3172a13

    SHA256

    b3b03b5bec21acaa9b8ca4906ef2a4fcb404490ceccdb4d7859189bcf61f6c78

    SHA512

    b85eafb4003ee1cc1c3413371148f9b08a36042aedb84f412189829f5f80a82a21945c4f3abf1e872a15e81cb7e528bd634cb6bc3d2c334b1d4a9cb8692b42c8

  • C:\Users\Admin\AppData\Local\Temp\nsyF0D7.tmp

    Filesize

    52B

    MD5

    5d04a35d3950677049c7a0cf17e37125

    SHA1

    cafdd49a953864f83d387774b39b2657a253470f

    SHA256

    a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

    SHA512

    c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

  • C:\Users\Admin\AppData\Local\Temp\nsyF1C4.tmp

    Filesize

    30B

    MD5

    f15bfdebb2df02d02c8491bde1b4e9bd

    SHA1

    93bd46f57c3316c27cad2605ddf81d6c0bde9301

    SHA256

    c87f2ff45bb530577fb8856df1760edaf1060ae4ee2934b17fdd21b7d116f043

    SHA512

    1757ed4ae4d47d0c839511c18be5d75796224d4a3049e2d8853650ace2c5057c42040de6450bf90dd4969862e9ebb420cd8a34f8dd9c970779ed2e5459e8f2f1

  • \Users\Admin\AppData\Local\Temp\nstF0B7.tmp\System.dll

    Filesize

    11KB

    MD5

    6ad39193ed20078aa1b23c33a1e48859

    SHA1

    95e70e4f47aa1689cc08afbdaef3ec323b5342fa

    SHA256

    b9631423a50c666faf2cc6901c5a8d6eb2fecd306fdd2524256b7e2e37b251c2

    SHA512

    78c89bb8c86f3b68e5314467eca4e8e922d143335081fa66b01d756303e1aec68ed01f4be7098dbe06a789ca32a0f31102f5ba408bc5ab28e61251611bb4f62b

  • memory/280-569-0x0000000076FC0000-0x0000000077169000-memory.dmp

    Filesize

    1.7MB

  • memory/280-570-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/280-571-0x0000000000480000-0x00000000004C8000-memory.dmp

    Filesize

    288KB

  • memory/1508-567-0x0000000076FC1000-0x00000000770C2000-memory.dmp

    Filesize

    1.0MB

  • memory/1508-568-0x0000000076FC0000-0x0000000077169000-memory.dmp

    Filesize

    1.7MB