Analysis

  • max time kernel
    147s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:31

General

  • Target

    aab54aaf2c6ad9d161f487b1936cd7d62524243db0db90a9574d7b21ce4fbac1.exe

  • Size

    219KB

  • MD5

    cf3b490a37a73d4d77dd684024aaf7c7

  • SHA1

    9fb43270ae0c912ea2aba598888a5ef51cb98580

  • SHA256

    aab54aaf2c6ad9d161f487b1936cd7d62524243db0db90a9574d7b21ce4fbac1

  • SHA512

    e640ccfb8998a63465e44b2414e1dc6c759ccf22ead4993d074ef6e77e8d19e267dad68b8f59e37e9cbcf1215ed39f43c1471e05e6cab99b84db4e7114250b62

  • SSDEEP

    6144:5rW/2QVVmeWPpW4DxG7K3LpHPmsXANdQIN2CrKric:9WexeapW8hb1m5TQoeWc

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aab54aaf2c6ad9d161f487b1936cd7d62524243db0db90a9574d7b21ce4fbac1.exe
    "C:\Users\Admin\AppData\Local\Temp\aab54aaf2c6ad9d161f487b1936cd7d62524243db0db90a9574d7b21ce4fbac1.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zeomlu.exe "C:\Users\Admin\AppData\Local\Temp\aab54aaf2c6ad9d161f487b1936cd7d62524243db0db90a9574d7b21ce4fbac1.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2800
      • C:\Users\Admin\AppData\Local\Temp\zeomlu.exe
        C:\Users\Admin\AppData\Local\Temp\\zeomlu.exe "C:\Users\Admin\AppData\Local\Temp\aab54aaf2c6ad9d161f487b1936cd7d62524243db0db90a9574d7b21ce4fbac1.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2012
        • \??\c:\Program Files\fcbyync\aeawzm.exe
          "c:\Program Files\fcbyync\aeawzm.exe" "c:\Program Files\fcbyync\aeawzm.dll",GetIDTs C:\Users\Admin\AppData\Local\Temp\zeomlu.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2708

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \??\c:\Program Files\fcbyync\aeawzm.dll

    Filesize

    160KB

    MD5

    58da40092fb94ae58067cb17acdfea52

    SHA1

    0f8915ddea2a80af93c2898529b246615eb3b2a9

    SHA256

    eddd502f8b9f4bb204101518caba6e5b5c5b6ec6c668273c61ba9091ee442ad9

    SHA512

    b6270598126aeebb8b2d1deaad13d6a1ab1513f1b5e37d0474a45a614cdfb3a6eb273e24adce33e6c4e0bc0e04d9d3613fb9fd1ba7f2fd263f2116a76305d612

  • \Program Files\fcbyync\aeawzm.exe

    Filesize

    43KB

    MD5

    51138beea3e2c21ec44d0932c71762a8

    SHA1

    8939cf35447b22dd2c6e6f443446acc1bf986d58

    SHA256

    5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

    SHA512

    794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

  • \Users\Admin\AppData\Local\Temp\zeomlu.exe

    Filesize

    220KB

    MD5

    a758ee9e08b9d23f0b9092bb2f267840

    SHA1

    9fdd73f1248d3456274d33ebd6a1016b427a48ab

    SHA256

    dc65b0ff7c1d54feec4109c1e1c252ba9d89c7b25beb041e4e0146e4d5e1b31a

    SHA512

    827391af5c05ba10ec532f393b25a6e26fc8851045eade490438d6f003081bc6f473f8d22e418d541bc97dfa4332a9fa9f468abcc34f8e668c40981a540a0473

  • memory/1860-8-0x0000000000160000-0x00000000001AA000-memory.dmp

    Filesize

    296KB

  • memory/1860-7-0x0000000000160000-0x00000000001AA000-memory.dmp

    Filesize

    296KB

  • memory/2012-10-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

  • memory/2012-18-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

  • memory/2656-0-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

  • memory/2656-3-0x0000000000400000-0x00000000004490B1-memory.dmp

    Filesize

    292KB

  • memory/2656-1-0x0000000000020000-0x0000000000021000-memory.dmp

    Filesize

    4KB

  • memory/2708-27-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

  • memory/2708-28-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

  • memory/2708-26-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

  • memory/2708-25-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB

  • memory/2708-31-0x0000000010000000-0x0000000010067000-memory.dmp

    Filesize

    412KB