Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2024 01:35

General

  • Target

    c94f21254373c228e200a85422f611768978e785385d2802883cb1b75a0b31b0.exe

  • Size

    1.2MB

  • MD5

    30e7792e97b603a992240e27bade2a36

  • SHA1

    d4e2d09ae91c8d295e1d2b78ec0daafbe43322e1

  • SHA256

    c94f21254373c228e200a85422f611768978e785385d2802883cb1b75a0b31b0

  • SHA512

    f786b9139afd18342e8adb2e182fc75b021f38b44e80ef612ea62b83c1074d6772c7510bdfc6e19343d1bbff0bf5ed525ae2d4270baad3af14954c1066ef5e6c

  • SSDEEP

    24576:87rIexTF/+W9FyWiZmN+InMO6JHZT4tapQgUTKO8YWAUc:ApX9FyWiZmQPO6J5VRZkWAU

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c94f21254373c228e200a85422f611768978e785385d2802883cb1b75a0b31b0.exe
    "C:\Users\Admin\AppData\Local\Temp\c94f21254373c228e200a85422f611768978e785385d2802883cb1b75a0b31b0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Users\Admin\AppData\Roaming\lkrq0ffFnf.exe
        "C:\Users\Admin\AppData\Roaming\lkrq0ffFnf.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2712
      • C:\Users\Admin\AppData\Roaming\B2lg2OvJ0v.exe
        "C:\Users\Admin\AppData\Roaming\B2lg2OvJ0v.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    4414d2496b83efd4f14d1333339473da

    SHA1

    f20f463db96495f8c113752491134c57a5f05297

    SHA256

    408fab97341fc16aa4248ed25dfd2b32a23ea3b41e9f675bd99a3bbcca2c0b03

    SHA512

    8964fd89450156bf3767b19a61921d4cc5d18a031a5ceede162a0b3baa8e2d73a61524fce0bea90106797dc52016cf8cbe935aeaaca42cd914d8f43b3f76eea0

  • C:\Users\Admin\AppData\Local\Temp\CabBD86.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarBE24.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\B2lg2OvJ0v.exe

    Filesize

    393KB

    MD5

    7d7366ab79d6d3d8d83d13a8b30de999

    SHA1

    75c6c49a6701d254c3ce184054a4a01329c1a6f3

    SHA256

    3d66fed04c76d055c6149b33dcfda544b509c57087c57a861e1d6256b59f8465

    SHA512

    64f4551b3be1c21ce7c2d49608463e5aec4166e3e6893883c33a5b7d1109ef0fc8ab6bd15c70d9d606e2706f12a937c2d90d5bc8f6c629ad6f30f212dc25f022

  • \Users\Admin\AppData\Roaming\lkrq0ffFnf.exe

    Filesize

    602KB

    MD5

    e4fc58d334930a9d6572c344e5129f6b

    SHA1

    d38fbd0c4c86eee14722f40cc607e2128c01b00f

    SHA256

    973a9056040af402d6f92f436a287ea164fae09c263f80aba0b8d5366ed9957a

    SHA512

    a69f5da8de8c9782769cca2e2fc5b28bbeba0c0d0027954dbe47b15610d82277abbe912f0e5921a18000f1a3a3c54eb5922f70c773537a22f4b35ff926d17a59

  • memory/2548-17-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-22-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-15-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-20-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-12-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-11-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-9-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-7-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-10-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-21-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-36-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-32-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2548-4-0x0000000000400000-0x0000000000531000-memory.dmp

    Filesize

    1.2MB

  • memory/2712-38-0x00000000001B0000-0x000000000024C000-memory.dmp

    Filesize

    624KB

  • memory/2752-37-0x0000000000FB0000-0x0000000001018000-memory.dmp

    Filesize

    416KB

  • memory/2960-18-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-0-0x000000007477E000-0x000000007477F000-memory.dmp

    Filesize

    4KB

  • memory/2960-5-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-2-0x0000000074770000-0x0000000074E5E000-memory.dmp

    Filesize

    6.9MB

  • memory/2960-1-0x0000000000F40000-0x0000000001076000-memory.dmp

    Filesize

    1.2MB