Analysis

  • max time kernel
    121s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • 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
  • Loads dropped DLL 1 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
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\194D0361BDC50ABB8479B29934FCEDDE.exe
    "C:\Users\Admin\AppData\Local\Temp\194D0361BDC50ABB8479B29934FCEDDE.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Users\Admin\AppData\Roaming\6056788.exe
      "C:\Users\Admin\AppData\Roaming\6056788.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1504
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1504 -s 1972
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:756
    • C:\Users\Admin\AppData\Roaming\2043580.exe
      "C:\Users\Admin\AppData\Roaming\2043580.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:524
      • C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
        "C:\Users\Admin\AppData\Roaming\WinHost\WinHoster.exe"
        3⤵
        • Executes dropped EXE
        PID:280
    • C:\Users\Admin\AppData\Roaming\6282888.exe
      "C:\Users\Admin\AppData\Roaming\6282888.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\2043580.exe
    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • C:\Users\Admin\AppData\Roaming\2043580.exe
    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • C:\Users\Admin\AppData\Roaming\6056788.exe
    MD5

    9e19fdd75ef29ee192b244933d7bf7d5

    SHA1

    d3bce87a288abf410afc1aff18de6c300fa15c49

    SHA256

    7def442e8216e47cb8fd87b26f1e4fea0b8646f88dc0d08acc94dd9f1e11cdec

    SHA512

    4bde30274686f8a130c55086c256ce4c09504799d67bb61439c029f803ead32950028aae9fb9d7b59a42bc1ed01833e1a53dce00dd335bef5d4fb3f347e3a24f

  • C:\Users\Admin\AppData\Roaming\6056788.exe
    MD5

    9e19fdd75ef29ee192b244933d7bf7d5

    SHA1

    d3bce87a288abf410afc1aff18de6c300fa15c49

    SHA256

    7def442e8216e47cb8fd87b26f1e4fea0b8646f88dc0d08acc94dd9f1e11cdec

    SHA512

    4bde30274686f8a130c55086c256ce4c09504799d67bb61439c029f803ead32950028aae9fb9d7b59a42bc1ed01833e1a53dce00dd335bef5d4fb3f347e3a24f

  • C:\Users\Admin\AppData\Roaming\6282888.exe
    MD5

    52be91bb8576b57551f38cf98bd984cc

    SHA1

    d4b25085ae85e7b4edc2db2f77e4108fd7345fc1

    SHA256

    2eff8b37b39a5384bf9a3732bd7395af3430bd36eafdad4ba5cec6f707cdd680

    SHA512

    f648be8d881ba47b87544327843add140cc4142ab7fac89cd87d3c79bed23524d7b40e35fd0c65a8c50a62c4e4f32d9a1681b3e043ea882bbfc46425891011b1

  • C:\Users\Admin\AppData\Roaming\6282888.exe
    MD5

    52be91bb8576b57551f38cf98bd984cc

    SHA1

    d4b25085ae85e7b4edc2db2f77e4108fd7345fc1

    SHA256

    2eff8b37b39a5384bf9a3732bd7395af3430bd36eafdad4ba5cec6f707cdd680

    SHA512

    f648be8d881ba47b87544327843add140cc4142ab7fac89cd87d3c79bed23524d7b40e35fd0c65a8c50a62c4e4f32d9a1681b3e043ea882bbfc46425891011b1

  • 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

  • \Users\Admin\AppData\Roaming\WinHost\WinHoster.exe
    MD5

    0fe3680e0ce50557f4c272bb4872ec74

    SHA1

    5f2bbfa2ea1293524b72a2dbfe3954b6ba8f9f66

    SHA256

    f9d67121048756158858a6c926af3db190e88df9eb052e99d8d6d93d7fcf1fd7

    SHA512

    ffe63264322f1e9cad904d4d09069ca5d48e322a2a66e29fcdc6f53f4cd77000389e99f76ae6f86edc974a62f49243169c973be2f52cc33cdbe9a96d7dc5bcf7

  • memory/280-89-0x0000000000000000-mapping.dmp
  • memory/280-92-0x0000000000930000-0x0000000000931000-memory.dmp
    Filesize

    4KB

  • memory/280-98-0x0000000004AC0000-0x0000000004AC1000-memory.dmp
    Filesize

    4KB

  • memory/336-77-0x00000000009C0000-0x00000000009C1000-memory.dmp
    Filesize

    4KB

  • memory/336-84-0x0000000000950000-0x0000000000982000-memory.dmp
    Filesize

    200KB

  • memory/336-74-0x0000000000000000-mapping.dmp
  • memory/336-97-0x0000000000580000-0x0000000000581000-memory.dmp
    Filesize

    4KB

  • memory/524-69-0x0000000000000000-mapping.dmp
  • memory/524-83-0x0000000000240000-0x0000000000241000-memory.dmp
    Filesize

    4KB

  • memory/524-78-0x0000000000850000-0x0000000000851000-memory.dmp
    Filesize

    4KB

  • memory/524-85-0x00000000002D0000-0x00000000002DB000-memory.dmp
    Filesize

    44KB

  • memory/524-86-0x00000000005F0000-0x00000000005F1000-memory.dmp
    Filesize

    4KB

  • memory/756-101-0x0000000000190000-0x0000000000191000-memory.dmp
    Filesize

    4KB

  • memory/756-100-0x000007FEFC661000-0x000007FEFC663000-memory.dmp
    Filesize

    8KB

  • memory/756-99-0x0000000000000000-mapping.dmp
  • memory/1092-63-0x0000000000400000-0x0000000000401000-memory.dmp
    Filesize

    4KB

  • memory/1092-61-0x00000000003C0000-0x00000000003C1000-memory.dmp
    Filesize

    4KB

  • memory/1092-59-0x0000000000F50000-0x0000000000F51000-memory.dmp
    Filesize

    4KB

  • memory/1092-62-0x00000000003D0000-0x00000000003F3000-memory.dmp
    Filesize

    140KB

  • memory/1092-64-0x000000001AF90000-0x000000001AF92000-memory.dmp
    Filesize

    8KB

  • memory/1504-73-0x0000000000340000-0x0000000000341000-memory.dmp
    Filesize

    4KB

  • memory/1504-65-0x0000000000000000-mapping.dmp
  • memory/1504-87-0x000000001AF20000-0x000000001AF22000-memory.dmp
    Filesize

    8KB

  • memory/1504-68-0x0000000000D20000-0x0000000000D21000-memory.dmp
    Filesize

    4KB

  • memory/1504-82-0x0000000000350000-0x0000000000351000-memory.dmp
    Filesize

    4KB

  • memory/1504-81-0x0000000000480000-0x00000000004D0000-memory.dmp
    Filesize

    320KB