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Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:08

General

  • Target

    12ad57fc1129bbd8f479ba77406cf3b88d6da57c734a97299bb080341edefc51.exe

  • Size

    597KB

  • MD5

    1642395f019042cb04eb96692307bc34

  • SHA1

    f4ee987d0b5484c225c93e8003dedd5a27bef5da

  • SHA256

    12ad57fc1129bbd8f479ba77406cf3b88d6da57c734a97299bb080341edefc51

  • SHA512

    5295d71e95ac3be2671c605c59eb7b59a2648112eba75f3a53d37623fe1c08335e1a53ae2477ec87db7a675c28f645333f0842958cb777b6a3ab080d302b6960

  • SSDEEP

    6144:3tT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rx7:R6u7+487IFjvelQypyfy7x7

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Boy12345#

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 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 SetThreadContext 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 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\12ad57fc1129bbd8f479ba77406cf3b88d6da57c734a97299bb080341edefc51.exe
    "C:\Users\Admin\AppData\Local\Temp\12ad57fc1129bbd8f479ba77406cf3b88d6da57c734a97299bb080341edefc51.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Roaming\app.exe
      "C:\Users\Admin\AppData\Roaming\app.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Users\Admin\AppData\Roaming\app.exe
        "C:\Users\Admin\AppData\Roaming\app.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:608
      • C:\Users\Admin\AppData\Roaming\My.RawFile.exe
        "C:\Users\Admin\AppData\Roaming\My.RawFile.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:2792
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2280
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    83142242e97b8953c386f988aa694e4a

    SHA1

    833ed12fc15b356136dcdd27c61a50f59c5c7d50

    SHA256

    d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

    SHA512

    bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

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

    Filesize

    344B

    MD5

    0f23e6c3c546982c4518364cd1d3363d

    SHA1

    279e25c73612d74db14125e8e1978a071c50b83f

    SHA256

    82371799053e36fb7c1a1fa240522f044a8c5147b0103c46ea5b3e1cecd6afe0

    SHA512

    f7f066c0fa431b7acf9686a5054c20fd33a848cf822304380b10e1550a1c1b260b518174b4359f5da817fb47bed903924b48d814ef132eb61b7d4a7442e95fb2

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

    Filesize

    344B

    MD5

    225340a844c601e554df542eb1bf0a2e

    SHA1

    6f33d126bb391c4797ab24c6a75cfe0268a4f831

    SHA256

    c0718982ed860ce654c8458912442f747f790b5c80186ee360626fc5236bfa2a

    SHA512

    8cbba2a0eab635bae65eec275a3a4779ec8f5aef5bca93ef67eb167f247d8d1277da7a5ef3edb37c121291f5e2072b8d45d6f63ea5524c70f5669fb72d9cdd65

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

    Filesize

    344B

    MD5

    c1279a0d97f0945c9cc21dab79a8cbd1

    SHA1

    2fb9254a10e4ba760b2a92560fd05a973e607a94

    SHA256

    f2f27e4ca94c3b88b42fd23aad464a29493c0db15d7a56079abcb51cee638252

    SHA512

    edb45903e7216dbeb57d0aabca13a88054aedb2924a9f67d7d9da334675d889c59a3f602b9a0edf9b4e59a835daab796d90b4757471408edbfff43619be6e061

  • C:\Users\Admin\AppData\Local\Temp\Cab1D33.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar1D46.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\Tar4BEE.tmp

    Filesize

    183KB

    MD5

    109cab5505f5e065b63d01361467a83b

    SHA1

    4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

    SHA256

    ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

    SHA512

    753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

  • C:\Users\Admin\AppData\Roaming\My.RawFile.exe

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

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

    Filesize

    603KB

    MD5

    c7297fbdd40f58d0521f42b5a985a927

    SHA1

    c2d0f373e7eea6e593bbeb57599776fdff3df600

    SHA256

    af939ac066bc9c28597ca0e4647e575a753e2bda4780be807cedf9ff615b7ca4

    SHA512

    0fe9eef1e08bd35e6f49e6e4ab9726ea74d31a499dcde77d6485a34f34d622ac0b5298e2c620aa270c68559db224a612f53628cb43973f118038db32a45de332

  • memory/704-240-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/704-244-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/704-242-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/704-246-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/704-248-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/704-245-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/704-238-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/704-236-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2132-202-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2132-262-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2280-256-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2400-201-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-0-0x0000000074061000-0x0000000074062000-memory.dmp

    Filesize

    4KB

  • memory/2400-194-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-182-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-181-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-2-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB

  • memory/2400-1-0x0000000074060000-0x000000007460B000-memory.dmp

    Filesize

    5.7MB