Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:25

General

  • Target

    0a2ec00b91350189993338c37f03ee32.exe

  • Size

    572KB

  • MD5

    0a2ec00b91350189993338c37f03ee32

  • SHA1

    e7f502f05bc6ef911dfdc9b83145953bdec4a478

  • SHA256

    602226be2e7546c3f81965f017ab86f87341bc6079600f0a2d6999effe23b789

  • SHA512

    f3a44312cab5f3c48e2ad5a53b09b3fefc33b6d45630629a77f9c0e7dec626f439223564e571c537a77c1027a58e9b5b19820b50a875b9814d5034c6a6ff339a

  • SSDEEP

    6144:4tT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rigZG:s6u7+487IFjvelQypyfy7igZG

Malware Config

Extracted

Credentials

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

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0a2ec00b91350189993338c37f03ee32.exe
    "C:\Users\Admin\AppData\Local\Temp\0a2ec00b91350189993338c37f03ee32.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Roaming\app.exe
      "C:\Users\Admin\AppData\Roaming\app.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3980
      • 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:1740
      • 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:4028
      • 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:4280
      • 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:3752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\aspnet_compiler.exe.log

    Filesize

    20B

    MD5

    b3ac9d09e3a47d5fd00c37e075a70ecb

    SHA1

    ad14e6d0e07b00bd10d77a06d68841b20675680b

    SHA256

    7a23c6e7ccd8811ecdf038d3a89d5c7d68ed37324bae2d4954125d9128fa9432

    SHA512

    09b609ee1061205aa45b3c954efc6c1a03c8fd6b3011ff88cf2c060e19b1d7fd51ee0cb9d02a39310125f3a66aa0146261bdee3d804f472034df711bc942e316

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

    Filesize

    142KB

    MD5

    5a733ef0de5e31e2e4b4abb016c0f251

    SHA1

    28644040a6deac35c20fa931b5d003a97293363e

    SHA256

    a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

    SHA512

    9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

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

    Filesize

    581KB

    MD5

    09b16a24b7e1fb8be6c10b07ac1aa9fd

    SHA1

    f3d0e0d1c3a91d46a94f877ee93a6d40a65e9d2b

    SHA256

    e05f1ebce046eb99d5ef3d1e658b530979359b5e960e52701a76da94a278158f

    SHA512

    f7265ce8597b7ac39d10936946f91bce4a83876877269118f04c849b2ededca909524c54206020a9ce85b75d73dd640f43be7f787749c03a4352456a7a718d02

  • memory/1740-61-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-37-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-36-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-17-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-4-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-0-0x0000000074902000-0x0000000074903000-memory.dmp

    Filesize

    4KB

  • memory/2404-26-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-30-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-18-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-1-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-2-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-3-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/2404-16-0x0000000074902000-0x0000000074903000-memory.dmp

    Filesize

    4KB

  • memory/3980-31-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3980-39-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3980-34-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3980-33-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3980-57-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3980-60-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/3980-32-0x0000000074900000-0x0000000074EB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4280-53-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB