Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 02:30

General

  • Target

    2025-02-27_56cdb05fa5a6baa5a787cbf460a46a54_smoke-loader_wapomi.exe

  • Size

    496KB

  • MD5

    56cdb05fa5a6baa5a787cbf460a46a54

  • SHA1

    4c18a270de95aea4ffd58370a375ce15e0ae7c9a

  • SHA256

    c9d662ad82796b60e71f4cb3c1da76badbc00b3c11ab0d4fac14a6ea9c92e0f7

  • SHA512

    73c538b75fd3a29b9fa89523f8e9974337e72623dd0962e485d198f603e224019ada23d6ad8c3051a3a57e760cec2170293feffa331fbc7dea5accf6a1fd8f53

  • SSDEEP

    6144:bDlS4jMD+gSR+P8mVJbGgB1TpYjyUhUbPI3iBbZiSt/pnyq61keTcnzFdHXtwsi2:FAa+RQjyfTYiBk4QWe0zTXUvflZJ20y

Malware Config

Extracted

Family

emotet

Botnet

Epoch3

C2

116.203.117.76:80

108.166.188.146:7080

216.154.222.52:7080

203.99.182.135:443

212.112.113.235:80

139.59.242.76:8080

110.36.234.146:80

113.52.135.33:7080

108.179.216.46:8080

186.10.16.244:53

200.114.134.8:20

41.60.202.26:22

125.99.61.162:7080

176.58.93.123:80

5.189.148.98:8080

201.196.15.79:990

45.33.1.161:8080

46.32.229.152:8080

94.177.253.126:80

78.189.94.99:8443

rsa_pubkey.plain

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++.

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Emotet family
  • 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 3 IoCs
  • Drops file in System32 directory 4 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 10 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-27_56cdb05fa5a6baa5a787cbf460a46a54_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-27_56cdb05fa5a6baa5a787cbf460a46a54_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Users\Admin\AppData\Local\Temp\XinFvK.exe
      C:\Users\Admin\AppData\Local\Temp\XinFvK.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:3024
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5b8c5e23.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3424
    • C:\Users\Admin\AppData\Local\Temp\2025-02-27_56cdb05fa5a6baa5a787cbf460a46a54_smoke-loader_wapomi.exe
      --7269df89
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of SetWindowsHookEx
      PID:1496
  • C:\Windows\SysWOW64\chxskip.exe
    "C:\Windows\SysWOW64\chxskip.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\TEMP\XinFvK.exe
      C:\Windows\TEMP\XinFvK.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:4584
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Windows\TEMP\5fbc0072.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3588
    • C:\Windows\SysWOW64\chxskip.exe
      --5ca83da8
      2⤵
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\TEMP\XinFvK.exe
        C:\Windows\TEMP\XinFvK.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious use of WriteProcessMemory
        PID:8
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Windows\TEMP\4d0e4ae9.bat" "
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\MGQ8IQ23\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\5b8c5e23.bat

    Filesize

    187B

    MD5

    780e67de3006f33695f2af23e8fd3de5

    SHA1

    26534370205c2d9df9461ae3635030e27d90e694

    SHA256

    1c6fe4bf99d7061e2c27ceaaee86bbaa0ada51b50585d8eb17768b54e21a3dbf

    SHA512

    7bda02cbb89f814759ac4338d8303804773a3ec2533a0b738b66b6fb90d2acdf4a613b370905c443c53b552027ff2d482dcb6a8626d30b0f38916a961f9b25e3

  • C:\Users\Admin\AppData\Local\Temp\73AF43E8.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • C:\Windows\TEMP\4d0e4ae9.bat

    Filesize

    133B

    MD5

    bb6a35b3e6b5b69ffb94fd39e91c3822

    SHA1

    42fadc1305b7488aab0a8202feafc34ca65ccd29

    SHA256

    d2b1ee937cb117e8c3386d310ea9be955173117647602f09dd9b58cc5e344e4f

    SHA512

    c8f2a9d782ae89d653f3b3856558d7939d6a6eae20b7b60335f3771a49db6587331e0520175f5fa7be16eb159f14d9feb0fa14bcee53e9b9320768a1264a2f17

  • C:\Windows\TEMP\5fbc0072.bat

    Filesize

    133B

    MD5

    ba5c328a396ea42c4f7d0fcf23241135

    SHA1

    2d6dfe61b1d21d53a1cef5cc1cfe77cba2c1b883

    SHA256

    76b6ea9391750a4c60f1fc0cc0a359d71e04fd40c2578209093e5bec1b4e0a28

    SHA512

    09b66006969ab8fa28a3e311dfd2da52534ec11bfc192df0ac0cbf953ed412dcfb882c7a0e82e990cc83d5cd85593dc7ebe86944cfd351c912feb59d79ce8d46

  • memory/8-86-0x0000000000620000-0x0000000000629000-memory.dmp

    Filesize

    36KB

  • memory/8-82-0x0000000000620000-0x0000000000629000-memory.dmp

    Filesize

    36KB

  • memory/1496-27-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/1496-53-0x0000000002060000-0x0000000002076000-memory.dmp

    Filesize

    88KB

  • memory/1496-79-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3024-59-0x00000000003F0000-0x00000000003F9000-memory.dmp

    Filesize

    36KB

  • memory/3024-4-0x00000000003F0000-0x00000000003F9000-memory.dmp

    Filesize

    36KB

  • memory/4068-21-0x0000000002210000-0x0000000002226000-memory.dmp

    Filesize

    88KB

  • memory/4068-28-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/4068-26-0x0000000002200000-0x0000000002210000-memory.dmp

    Filesize

    64KB

  • memory/4068-0-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/4072-71-0x0000000000E30000-0x0000000000E46000-memory.dmp

    Filesize

    88KB

  • memory/4072-76-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/4484-89-0x0000000000E10000-0x0000000000E26000-memory.dmp

    Filesize

    88KB

  • memory/4484-94-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/4584-69-0x0000000000680000-0x0000000000689000-memory.dmp

    Filesize

    36KB

  • memory/4584-64-0x0000000000680000-0x0000000000689000-memory.dmp

    Filesize

    36KB