Analysis

  • max time kernel
    17s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-07-2021 21:11

General

  • Target

    194D0361BDC50ABB8479B29934FCEDDE.exe

  • Size

    220KB

  • MD5

    194d0361bdc50abb8479b29934fcedde

  • SHA1

    5b8023acb941df513bd28c48e46b2fa4e8a7b7a5

  • SHA256

    29016d532a8c967c49aa06b8688541b08d984f0fe807f380742d187595681830

  • SHA512

    93705ce8e8afbb00bf88a1ef1409667652956d56738c52095973890b34ba6c02a4f5962079a2c68bb9950ab378987d9dfa907a121c06f75c5824b85ad62aade8

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\194D0361BDC50ABB8479B29934FCEDDE.exe
    "C:\Users\Admin\AppData\Local\Temp\194D0361BDC50ABB8479B29934FCEDDE.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Users\Admin\AppData\Roaming\2582029.exe
      "C:\Users\Admin\AppData\Roaming\2582029.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3040
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 3040 -s 2136
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1664
    • C:\Users\Admin\AppData\Roaming\5871179.exe
      "C:\Users\Admin\AppData\Roaming\5871179.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2660
      • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
        "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
        3⤵
        • Executes dropped EXE
        PID:1412
    • C:\Users\Admin\AppData\Roaming\4728412.exe
      "C:\Users\Admin\AppData\Roaming\4728412.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\2582029.exe

    MD5

    9e19fdd75ef29ee192b244933d7bf7d5

    SHA1

    d3bce87a288abf410afc1aff18de6c300fa15c49

    SHA256

    7def442e8216e47cb8fd87b26f1e4fea0b8646f88dc0d08acc94dd9f1e11cdec

    SHA512

    4bde30274686f8a130c55086c256ce4c09504799d67bb61439c029f803ead32950028aae9fb9d7b59a42bc1ed01833e1a53dce00dd335bef5d4fb3f347e3a24f

  • C:\Users\Admin\AppData\Roaming\2582029.exe

    MD5

    9e19fdd75ef29ee192b244933d7bf7d5

    SHA1

    d3bce87a288abf410afc1aff18de6c300fa15c49

    SHA256

    7def442e8216e47cb8fd87b26f1e4fea0b8646f88dc0d08acc94dd9f1e11cdec

    SHA512

    4bde30274686f8a130c55086c256ce4c09504799d67bb61439c029f803ead32950028aae9fb9d7b59a42bc1ed01833e1a53dce00dd335bef5d4fb3f347e3a24f

  • C:\Users\Admin\AppData\Roaming\4728412.exe

    MD5

    52be91bb8576b57551f38cf98bd984cc

    SHA1

    d4b25085ae85e7b4edc2db2f77e4108fd7345fc1

    SHA256

    2eff8b37b39a5384bf9a3732bd7395af3430bd36eafdad4ba5cec6f707cdd680

    SHA512

    f648be8d881ba47b87544327843add140cc4142ab7fac89cd87d3c79bed23524d7b40e35fd0c65a8c50a62c4e4f32d9a1681b3e043ea882bbfc46425891011b1

  • C:\Users\Admin\AppData\Roaming\4728412.exe

    MD5

    52be91bb8576b57551f38cf98bd984cc

    SHA1

    d4b25085ae85e7b4edc2db2f77e4108fd7345fc1

    SHA256

    2eff8b37b39a5384bf9a3732bd7395af3430bd36eafdad4ba5cec6f707cdd680

    SHA512

    f648be8d881ba47b87544327843add140cc4142ab7fac89cd87d3c79bed23524d7b40e35fd0c65a8c50a62c4e4f32d9a1681b3e043ea882bbfc46425891011b1

  • C:\Users\Admin\AppData\Roaming\5871179.exe

    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • C:\Users\Admin\AppData\Roaming\5871179.exe

    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe

    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • memory/1412-162-0x0000000002F10000-0x0000000002F11000-memory.dmp

    Filesize

    4KB

  • memory/1412-159-0x000000000AE10000-0x000000000AE11000-memory.dmp

    Filesize

    4KB

  • memory/1412-149-0x0000000000000000-mapping.dmp

  • memory/2660-138-0x0000000001390000-0x0000000001391000-memory.dmp

    Filesize

    4KB

  • memory/2660-139-0x00000000013A0000-0x00000000013AB000-memory.dmp

    Filesize

    44KB

  • memory/2660-147-0x0000000002FA0000-0x0000000002FA1000-memory.dmp

    Filesize

    4KB

  • memory/2660-144-0x0000000005690000-0x0000000005691000-memory.dmp

    Filesize

    4KB

  • memory/2660-124-0x0000000000000000-mapping.dmp

  • memory/2660-141-0x0000000009E70000-0x0000000009E71000-memory.dmp

    Filesize

    4KB

  • memory/2660-133-0x0000000000C30000-0x0000000000C31000-memory.dmp

    Filesize

    4KB

  • memory/3040-136-0x0000000000C60000-0x0000000000C61000-memory.dmp

    Filesize

    4KB

  • memory/3040-123-0x0000000000500000-0x0000000000501000-memory.dmp

    Filesize

    4KB

  • memory/3040-120-0x0000000000000000-mapping.dmp

  • memory/3040-129-0x0000000000C40000-0x0000000000C41000-memory.dmp

    Filesize

    4KB

  • memory/3040-145-0x000000001B1C0000-0x000000001B1C2000-memory.dmp

    Filesize

    8KB

  • memory/3040-132-0x0000000000D80000-0x0000000000DD0000-memory.dmp

    Filesize

    320KB

  • memory/3828-146-0x0000000007530000-0x0000000007531000-memory.dmp

    Filesize

    4KB

  • memory/3828-161-0x0000000004F80000-0x0000000004F81000-memory.dmp

    Filesize

    4KB

  • memory/3828-142-0x0000000007AB0000-0x0000000007AB1000-memory.dmp

    Filesize

    4KB

  • memory/3828-140-0x0000000004EF0000-0x0000000004F22000-memory.dmp

    Filesize

    200KB

  • memory/3828-134-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/3828-128-0x0000000000000000-mapping.dmp

  • memory/3828-148-0x0000000007570000-0x0000000007571000-memory.dmp

    Filesize

    4KB

  • memory/3828-165-0x0000000008B20000-0x0000000008B21000-memory.dmp

    Filesize

    4KB

  • memory/3828-164-0x0000000009290000-0x0000000009291000-memory.dmp

    Filesize

    4KB

  • memory/3828-143-0x00000000074D0000-0x00000000074D1000-memory.dmp

    Filesize

    4KB

  • memory/3828-160-0x0000000007710000-0x0000000007711000-memory.dmp

    Filesize

    4KB

  • memory/3828-163-0x0000000008B90000-0x0000000008B91000-memory.dmp

    Filesize

    4KB

  • memory/4024-118-0x0000000000780000-0x00000000007A3000-memory.dmp

    Filesize

    140KB

  • memory/4024-116-0x0000000000710000-0x0000000000711000-memory.dmp

    Filesize

    4KB

  • memory/4024-117-0x000000001ABC0000-0x000000001ABC2000-memory.dmp

    Filesize

    8KB

  • memory/4024-119-0x0000000000730000-0x0000000000731000-memory.dmp

    Filesize

    4KB

  • memory/4024-114-0x00000000000F0000-0x00000000000F1000-memory.dmp

    Filesize

    4KB