Analysis

  • max time kernel
    121s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2024 01:45

General

  • Target

    d6cfb9d6c862be5a244eb5e4c6339312f74b7eb57cad8d08f56e3de0024b2bbc.exe

  • Size

    424KB

  • MD5

    13e5872e9b7c47090e035dc228c5589f

  • SHA1

    c55a9708091f19b5fc5baf7c37beb99d8d3bf760

  • SHA256

    d6cfb9d6c862be5a244eb5e4c6339312f74b7eb57cad8d08f56e3de0024b2bbc

  • SHA512

    260671baa8f30e2364b21ab0a9cd3d8a104f76032ebfd3684150d8c318b9cb759b246ae8df25274e864053a6d55bdb77e028452b1d91999b37efc291f8ee815e

  • SSDEEP

    6144:9O1rkNbOFsBuztTfSoRgxX+j14TGYoij7aR1XPQg9TU5YGmvST3h68BoKupOdCHP:3xBuBTExX+AoLzTUKdvST/BoKupOjUz

Malware Config

Extracted

Family

amadey

Version

4.30

Botnet

b90491

C2

http://o7labs.top

Attributes
  • install_dir

    5641a448ac

  • install_file

    Hkbsse.exe

  • strings_key

    6ca55fed034d4e76c257fcff1c461762

  • url_paths

    /visual/skins/index.php

rc4.plain

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 2 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 8 IoCs
  • Creates new service(s) 2 TTPs
  • Downloads MZ/PE file
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Power Settings 1 TTPs 8 IoCs

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 25 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d6cfb9d6c862be5a244eb5e4c6339312f74b7eb57cad8d08f56e3de0024b2bbc.exe
    "C:\Users\Admin\AppData\Local\Temp\d6cfb9d6c862be5a244eb5e4c6339312f74b7eb57cad8d08f56e3de0024b2bbc.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2252
    • C:\Users\Admin\AppData\Local\Temp\5641a448ac\Hkbsse.exe
      "C:\Users\Admin\AppData\Local\Temp\5641a448ac\Hkbsse.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2392
      • C:\Users\Admin\AppData\Local\Temp\1000001001\blob.exe
        "C:\Users\Admin\AppData\Local\Temp\1000001001\blob.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:2540
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1432
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:1664
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2520
        • C:\Windows\system32\powercfg.exe
          C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
          4⤵
          • Power Settings
          • Suspicious use of AdjustPrivilegeToken
          PID:2776
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe delete "YCSDKNAW"
          4⤵
          • Launches sc.exe
          PID:2824
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe create "YCSDKNAW" binpath= "C:\ProgramData\anoomxjjawjf\vxfagazdltye.exe" start= "auto"
          4⤵
          • Launches sc.exe
          PID:1964
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe stop eventlog
          4⤵
          • Launches sc.exe
          PID:1264
        • C:\Windows\system32\sc.exe
          C:\Windows\system32\sc.exe start "YCSDKNAW"
          4⤵
          • Launches sc.exe
          PID:468
      • C:\Users\Admin\AppData\Local\Temp\1000003001\build.exe
        "C:\Users\Admin\AppData\Local\Temp\1000003001\build.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3012
  • C:\ProgramData\anoomxjjawjf\vxfagazdltye.exe
    C:\ProgramData\anoomxjjawjf\vxfagazdltye.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2244
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -hibernate-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2468
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-ac 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:2952
    • C:\Windows\system32\powercfg.exe
      C:\Windows\system32\powercfg.exe /x -standby-timeout-dc 0
      2⤵
      • Power Settings
      • Suspicious use of AdjustPrivilegeToken
      PID:612
    • C:\Windows\system32\conhost.exe
      conhost.exe
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1000001001\blob.exe

    Filesize

    2.5MB

    MD5

    fbfbe4ee13baecac3e7d16bec24cf079

    SHA1

    360caf2bb458bee7e65c316099a868b929839d25

    SHA256

    3d65e5f78fa228a79d279fd903b45e584effe6b680d3a3adcb582985de62d01e

    SHA512

    8f5d849e739430cdc560f9dbda5f2f72a07ed0493054298b0d195cf50c972e9a24effdb71cadeea6ced14663fc1268f4a0f45234f37aac334638ffcd8057b28a

  • C:\Users\Admin\AppData\Local\Temp\1000003001\build.exe

    Filesize

    420KB

    MD5

    e59cb9f032187838b2be9823757bb85a

    SHA1

    e42f9772116fe6bffccc64897654a87774bdd372

    SHA256

    77d7ec4c54e6db91a4562c59472d659c3768dda653cf396443187087a3a61b1b

    SHA512

    584ab75c10f71b77f3a69cb8bc412c8c5edc03cb195c70d2f3f9d32950c5a18d692e250dbc53af00125e860815815caba9776838b49a78b4fcd6a7f4447b666f

  • C:\Users\Admin\AppData\Local\Temp\691908287377

    Filesize

    54KB

    MD5

    cf524787a7cfc20f782f1cb6d02410ea

    SHA1

    b67c4e34207d6386c33b31437fb48ec93830a486

    SHA256

    a3adc81da20d19b9bbe57f5f7c38739e6cd1542bda29ab6a197f347b89bd13a6

    SHA512

    51802be27d4911613993355b53205f255938be8769f5187d85669e1d9a0e0b08ac95f709ca50e921b99200a91ed0d0bff1756e4deb6f4352612b804b14ddcb8c

  • \Users\Admin\AppData\Local\Temp\5641a448ac\Hkbsse.exe

    Filesize

    424KB

    MD5

    13e5872e9b7c47090e035dc228c5589f

    SHA1

    c55a9708091f19b5fc5baf7c37beb99d8d3bf760

    SHA256

    d6cfb9d6c862be5a244eb5e4c6339312f74b7eb57cad8d08f56e3de0024b2bbc

    SHA512

    260671baa8f30e2364b21ab0a9cd3d8a104f76032ebfd3684150d8c318b9cb759b246ae8df25274e864053a6d55bdb77e028452b1d91999b37efc291f8ee815e

  • memory/1616-68-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-63-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-70-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-57-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-59-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-64-0x0000000000040000-0x0000000000060000-memory.dmp

    Filesize

    128KB

  • memory/1616-69-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-67-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-65-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-61-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-62-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-58-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-66-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/1616-60-0x0000000140000000-0x0000000140848000-memory.dmp

    Filesize

    8.3MB

  • memory/2252-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

    Filesize

    4KB

  • memory/3012-49-0x0000000001070000-0x00000000010DE000-memory.dmp

    Filesize

    440KB

  • memory/3012-50-0x00000000003C0000-0x00000000003E0000-memory.dmp

    Filesize

    128KB