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Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 06:10

General

  • Target

    412f4448e99979a1ce810cdf392b6abb.exe

  • Size

    597KB

  • MD5

    412f4448e99979a1ce810cdf392b6abb

  • SHA1

    1b8382397ac991d6c915bd00ff51594f88f4067b

  • SHA256

    6a5a315d1878a62da0fcf7679833cf9c9a171b46ffb2b769e92bf30046f26b14

  • SHA512

    0a6967c7cfa7be78773b469bbffbce9a3cf76b6c059fa31142e95acf09f3ab66409aa577df327044759257c7cd281d683131aaa85ca81f7ddf00e064332ec39d

  • SSDEEP

    6144:btT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3ri8:t6u7+487IFjvelQypyfy7i8

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\412f4448e99979a1ce810cdf392b6abb.exe
    "C:\Users\Admin\AppData\Local\Temp\412f4448e99979a1ce810cdf392b6abb.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:2420
    • 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:1528
      • 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:2780
      • 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:2468
      • 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:2424
      • 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:1376

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

    077799d52bcfe00d522a803ed572761c

    SHA1

    63899afa78e261ea25b046c153bb59b418d0ef99

    SHA256

    1382a626f7f19ce8b37250a756f7fe725886d728d1cfb716d9f659a3d135708d

    SHA512

    7a20011699d277e9a496f6737eb1756b2cb2774a898f157e435f668313b319536e5450e4bed427e1c553aa2f3d3b05e29ee0b245c99503113da616eacbd51072

  • C:\Users\Admin\AppData\Local\Temp\Cab315D.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar4193.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \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

    8e1007e88b18ed7066aef612c75c5a71

    SHA1

    090c31859f1788950387378ac136e2c73edd14c0

    SHA256

    bead7dab605c4cae168d6a7dc2c773313fcd026790eaf52febf6abdb3c2c42f8

    SHA512

    ccc7903a6c47eb0928d2a33db17a792932cfc2ce3c13903065c3db0f920bf7d2b9d6e2f76418e888776dc65deb610f740fdd798234d76fa17326f343c1a27055

  • memory/1376-89-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1376-93-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1376-96-0x0000000000080000-0x0000000000090000-memory.dmp

    Filesize

    64KB

  • memory/1528-34-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-33-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-97-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-100-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-44-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-43-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-101-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1528-55-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-31-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-0-0x0000000074201000-0x0000000074202000-memory.dmp

    Filesize

    4KB

  • memory/2420-1-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-11-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-12-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-24-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2420-25-0x0000000074200000-0x00000000747AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2424-73-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2424-65-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2424-67-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2424-69-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2424-71-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2424-76-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2424-74-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2424-75-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB