Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 02:43

General

  • Target

    2025-02-27_f7ecddf6c68fa682bec8a847421c519b_smoke-loader_wapomi.exe

  • Size

    94KB

  • MD5

    f7ecddf6c68fa682bec8a847421c519b

  • SHA1

    0f5bd33ae134db2ac9efb4b36ff84850cb22d013

  • SHA256

    caefd53d1368a9e80e4cb0b15b4f803b8bea5a722c3001bf3778cc9dff7906b8

  • SHA512

    a34323ede0d921314c5c8699f95d2b1212d6d94215ec141a4ae7e1a39d0fe430b9323f79682c5d4bc5d66097e8b43aa9ba8d3459c9a3fab8c88c52ac8b5e0eac

  • SSDEEP

    1536:3HSpeffJzpa4PKvvMupbRzh7mI565HrVTblQfqAYUGCq2iW7z:3HSpefhpa4PKHffw9hTSf1GCH

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

  • Bdaejec

    Bdaejec is a backdoor written in C++.

  • Bdaejec family
  • Detects Bdaejec Backdoor. 2 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 2 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 8 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 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-27_f7ecddf6c68fa682bec8a847421c519b_smoke-loader_wapomi.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-27_f7ecddf6c68fa682bec8a847421c519b_smoke-loader_wapomi.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Local\Temp\LwGHftN.exe
      C:\Users\Admin\AppData\Local\Temp\LwGHftN.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:428
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2ebc6603.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3816
    • C:\Users\Admin\AppData\Local\Temp\2025-02-27_f7ecddf6c68fa682bec8a847421c519b_smoke-loader_wapomi.exe
      --32c43fe9
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      PID:3944
  • C:\Windows\SysWOW64\jobsexec.exe
    "C:\Windows\SysWOW64\jobsexec.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Windows\TEMP\LwGHftN.exe
      C:\Windows\TEMP\LwGHftN.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:4720
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Windows\TEMP\08b428a7.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2016
    • C:\Windows\SysWOW64\jobsexec.exe
      --c56b6eb9
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      PID:1332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\Uninstall.exe

    Filesize

    31KB

    MD5

    ef44d44a89ddf1d51db1cee4c3d6c2a8

    SHA1

    1504e351b52b44b02a6bb44d24ac5686d215810c

    SHA256

    cc6df8e7eff1dd46cf215ebfdd98d34f56da107287f05cef422fff8222df23f3

    SHA512

    b9aa8df58b74c168dce19c952a10e023645bb08632de733835a26ee95e35750d31c7fad9ce77abed38bb8c7d192cd7c45960284c469ff9006fc9026418b3ead2

  • C:\Users\Admin\AppData\Local\Temp\2ebc6603.bat

    Filesize

    189B

    MD5

    02606d07a0cb58b45846f96975136d98

    SHA1

    5e3ff0ffac19472b364ba0a69d08ebc1e1193909

    SHA256

    7e05d3884ec047d7af6c28cff3c8543e07754830232e370c81e431f8c5a78b3f

    SHA512

    72ee9b390374216ebbb7920ea26ff4cfb1be499362f9dbd7dfa1f48ca13061210574c0257e3ce9793e694a326548dda957f32e8d9c78faae3204239526779b04

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

    Filesize

    15KB

    MD5

    56b2c3810dba2e939a8bb9fa36d3cf96

    SHA1

    99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

    SHA256

    4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

    SHA512

    27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

  • C:\Windows\TEMP\08b428a7.bat

    Filesize

    135B

    MD5

    15c454af990d4cffe7d118df00f6436e

    SHA1

    1f60b0b80cb13ecbcb7d20b3379eeaddb61b2f2d

    SHA256

    44402ca045782c258bfb57505bfcebaa2b7f8111b9d6167853c79ab3c95b4c8f

    SHA512

    b0ba4c95fa0f878613da03c3622aa615a658a09c7b90f70708da270974348bdccf6c9c94b474e494dd2136e0ae2c0b807eddae704b9adde49944aa4512cacf62

  • memory/428-4-0x00000000001E0000-0x00000000001E9000-memory.dmp

    Filesize

    36KB

  • memory/428-25-0x00000000001E0000-0x00000000001E9000-memory.dmp

    Filesize

    36KB

  • memory/1332-67-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-59-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-65-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-39-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-51-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-68-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-45-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-27-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-30-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1332-36-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1896-11-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1896-0-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1896-8-0x0000000000490000-0x0000000000491000-memory.dmp

    Filesize

    4KB

  • memory/1896-9-0x00000000004A0000-0x00000000004A1000-memory.dmp

    Filesize

    4KB

  • memory/1896-7-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3944-24-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/3944-12-0x0000000002220000-0x0000000002221000-memory.dmp

    Filesize

    4KB

  • memory/4720-26-0x0000000000060000-0x0000000000069000-memory.dmp

    Filesize

    36KB

  • memory/4720-17-0x0000000000060000-0x0000000000069000-memory.dmp

    Filesize

    36KB