Analysis

  • max time kernel
    154s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2025, 20:31

General

  • Target

    84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe

  • Size

    521KB

  • MD5

    ad94009dbf24192d8ddb026e6d183702

  • SHA1

    5dc5b6aad743f5573bd3a73208789687f06854a9

  • SHA256

    84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4

  • SHA512

    9a65b2539e03d41fbe7b37c51db0b5520f079c56d16e8f64241ccc812d01387ae2253554fc1a195e85fbad216acc346889d7bfcadb11267869c468e61272889a

  • SSDEEP

    6144:mtT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3r/+:K6u7+487IFjvelQypyfy7/+

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\84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.exe
    "C:\Users\Admin\AppData\Local\Temp\84b12442aac5bc73f568e7fa4d5d958ba9edc5bdc504d16f499a30ce549965e4.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:2892
    • 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:2756
      • 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:2456
      • 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:2736
      • 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:2448
      • 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:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    342B

    MD5

    31c18658f7e572993501d65095082358

    SHA1

    a8afdcf33eb697dac734306614d2f682c8792f07

    SHA256

    3fe9c6a196b6c164671a61d55cce19864523b8d8231b2bd9f32ba1a90be0ae93

    SHA512

    3528c70a7fac4f306d0fae42b2bf15ccf11c06331d14b8d46b39ace3042ca4fa7027bde24bddea4567d7d68e3b32f8199b336762dd821aeb149cd98e5f98a406

  • C:\Users\Admin\AppData\Local\Temp\Cab8EF7.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar9ED0.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • 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

    526KB

    MD5

    42f97e41a8f723e99985c6c9aae4094f

    SHA1

    6257a6c8b46154f20e1598713790b96b237569c5

    SHA256

    4e9a8b5b1f806b1bda38430bcf372e32242078aae46fd1d056a3d307471c0497

    SHA512

    28a765154e93aaa1b39a175191df457a9897badff370e3519f8999a2cfe57bd923ab020beda287515fa9856aefe986f1174f3a4c45944132ff64b98b81639dd5

  • memory/2224-88-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2448-79-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2448-78-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2448-77-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2448-68-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2448-70-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2448-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2448-74-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2448-72-0x0000000000400000-0x0000000000410000-memory.dmp

    Filesize

    64KB

  • memory/2756-45-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-46-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-96-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-36-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-35-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-95-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2756-92-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-26-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-25-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-13-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-12-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-27-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-34-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2892-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

    Filesize

    4KB