Analysis

  • max time kernel
    120s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 16:21

General

  • Target

    56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe

  • Size

    755KB

  • MD5

    206a9c8f94cc386e8828a667e1b57950

  • SHA1

    3c9731cd31ec8b75962502aaa042bb1f8e51ed2e

  • SHA256

    56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0

  • SHA512

    5172219a65f6e8dbbadf9c833e3aebe498c6b2ed3b90f419b051f6ad47f0ab40a4b67681759caa531669cb774f34cfee993a660e65576233f1db01f3b11b4766

  • SSDEEP

    12288:XVFUEuNmwvGrw9i0aTGRGicBckyyFRtWY1i3FTsvOVV0gz:3UEUUw9RaTNicBrPFRtJ1iVTsC5z

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 5 IoCs
  • Ammyyadmin family
  • FlawedAmmyy RAT

    Remote-access trojan based on leaked code for the Ammyy remote admin software.

  • Flawedammyy family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • Modifies data under HKEY_USERS 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1744
  • C:\Users\Admin\AppData\Local\Temp\56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe
    "C:\Users\Admin\AppData\Local\Temp\56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe" -service -lunch
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Users\Admin\AppData\Local\Temp\56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe
      "C:\Users\Admin\AppData\Local\Temp\56a2607d9c2dbc6f1d0aa238a617fdb8b57e812c7591082d198e0da06af7d6a0N.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\AMMYY\hr

    Filesize

    22B

    MD5

    d34addee709930558d2fe3e58df57469

    SHA1

    b47d58ef9752d2a35c871f076f49dc5fe6851b22

    SHA256

    ee6ecf37491e8219713ced02bc16f99491c509000a570c26cae66feed42561d7

    SHA512

    3d253d31a959c54f33fb0fbdc091c2285a5398bf14e1347ff2270603d8880080dcde0d882cadb6ca7c5acced13d817d7eb8fbb22fadbefb8196ac9b231fd6df6

  • C:\ProgramData\AMMYY\hr3

    Filesize

    75B

    MD5

    f8aded0a64a25fc0204b48212a89861e

    SHA1

    3b3ef3b26afd73e8f1024237c6db552fd7b84682

    SHA256

    b5bf3c1bac8ad27995474029437d5e7bb0b4f6d518f85c01bc4283900ff85ad2

    SHA512

    f9ce2b93badc61f348e277e47b7234484d37eee571ed6c72e2b7877f90a8b3e95ee07494e2a674c59e331dd36e25317f362fc193e45cff70144a9b40d3bd6df5

  • C:\ProgramData\AMMYY\settings3.bin

    Filesize

    271B

    MD5

    714f2508d4227f74b6adacfef73815d8

    SHA1

    a35c8a796e4453c0c09d011284b806d25bdad04c

    SHA256

    a5579945f23747541c0e80b79e79375d4ca44feafcd425ee9bd9302e35312480

    SHA512

    1171a6eac6d237053815a40c2bcc2df9f4209902d6157777377228f3b618cad50c88a9519444ed5c447cf744e4655272fb42dabb567df85b4b19b1a2f1d086d8

  • memory/1080-4-0x00000000012F0000-0x00000000013C3000-memory.dmp

    Filesize

    844KB

  • memory/1080-7-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1744-0-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/1744-8-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/2152-5-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB

  • memory/2152-13-0x0000000000400000-0x00000000004D3000-memory.dmp

    Filesize

    844KB