Analysis

  • max time kernel
    133s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2025 02:34

General

  • Target

    2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe

  • Size

    190KB

  • MD5

    feee936997197db0e4595247039460e2

  • SHA1

    3f99e182ed63a4163beb0140259c5ac4b4dfd754

  • SHA256

    47abfed8127c52887adfd69f5dc64c1222d3d33e80e2c953a422c2980b711768

  • SHA512

    0b877d34ff11d2d567bfc4c28f16d5d39cd546c199f517766444f12dfc017534cbe79c4b1ffd8b556ba5c888446007d4aceddda07515fdca760471509e4edcf5

  • SSDEEP

    3072:BFrRQ09DLEm/BTrgDjN7EnjEL00VVQLnVdY89STQR6NPnThVVqheWOGCH:7rRQ09DLEm/B43CjYQL/9AWoWn

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 1 IoCs

    Bdaejec is backdoor written in C++.

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-07_feee936997197db0e4595247039460e2_bkransomware_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1068
    • C:\Users\Admin\AppData\Local\Temp\cAWMSk.exe
      C:\Users\Admin\AppData\Local\Temp\cAWMSk.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\086d38ac.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\086d38ac.bat

    Filesize

    187B

    MD5

    c45abaa20ca916cd808a9db9de79f46a

    SHA1

    a62a9b632ca58c12b3447b5a21d9ddeeb2d9af13

    SHA256

    b4f68f9b16fc3290f72a8b4a259bd38dfa320e2a6dfdc1fa5a46d2651f43aa3c

    SHA512

    20a46ea0a32a65d5f56a145ab6409a53278f978bd20c84f05f6ef2b96360c0a2a2f4cc9714ee75fcfb9c6e6cbf60ee74b606089985a86fff1cc292b9a3f50eb4

  • C:\Users\Admin\AppData\Local\Temp\cAWMSk.exe

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • memory/1068-0-0x0000000000F00000-0x0000000000F36000-memory.dmp

    Filesize

    216KB

  • memory/1068-6-0x0000000000F00000-0x0000000000F36000-memory.dmp

    Filesize

    216KB

  • memory/4120-4-0x0000000000C30000-0x0000000000C39000-memory.dmp

    Filesize

    36KB

  • memory/4120-8-0x0000000000C30000-0x0000000000C39000-memory.dmp

    Filesize

    36KB