Analysis

  • max time kernel
    191s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/11/2022, 14:26

General

  • Target

    fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe

  • Size

    825KB

  • MD5

    35c17c148e30f391d8e88918da3bd258

  • SHA1

    962f89351e7e75d1129a797adfcd848a5342e881

  • SHA256

    fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe

  • SHA512

    e9708119d5f72838fe6229c29fb519a0c1c93bb7df8405db712a0b84719a5891cf48af81cf83f4ef3de17fcbe4f928c1b21fce68ae92b00d366f19203e462e00

  • SSDEEP

    24576:ckK+waI8JRQMEJ2rufRtse9rkv8klBiIrgFvqIL:Z4aSlxElBiHA8

Malware Config

Signatures

  • Ammyy Admin

    Remote admin tool with various capabilities.

  • AmmyyAdmin payload 5 IoCs
  • FlawedAmmyy RAT

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

  • ACProtect 1.3x - 1.4x DLL software 6 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe
    "C:\Users\Admin\AppData\Local\Temp\fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:3388
  • C:\Users\Admin\AppData\Local\Temp\fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe
    "C:\Users\Admin\AppData\Local\Temp\fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe" -service -lunch
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3004
    • C:\Users\Admin\AppData\Local\Temp\fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe
      "C:\Users\Admin\AppData\Local\Temp\fc15639624d4de9bb831c1e38bf403a12c9ffa00f063452360be32e6e96550fe.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\AMMYY\settings.bin

    Filesize

    76B

    MD5

    090bba5cbe9cd62189310f633f14d686

    SHA1

    0ce1d78aace04650b0c592665686a89412c1771c

    SHA256

    7bc48188bbd0ad1b7ac10257e6a8fc5327f2ccfd56402a4353f6d8ef26eb0ff8

    SHA512

    846781bdb4d8902963f1859077c8db4c763fdd4ca28f0be83b95c20d324b5db030f312fc3d4f959dc05ca4f41ef872a49d123195494b16440e16ebcc5edb31a7

  • C:\Users\Admin\AppData\Local\Temp\uki65CE.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\uki65CE.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\dki6B1E.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\dki6B1E.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\vki66D8.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\vki66D8.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • memory/344-149-0x00000000021A0000-0x0000000002213000-memory.dmp

    Filesize

    460KB

  • memory/344-148-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/344-147-0x00000000021A0000-0x0000000002213000-memory.dmp

    Filesize

    460KB

  • memory/3004-140-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/3004-141-0x0000000000D90000-0x0000000000E03000-memory.dmp

    Filesize

    460KB

  • memory/3004-136-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/3388-142-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/3388-146-0x0000000002210000-0x0000000002283000-memory.dmp

    Filesize

    460KB

  • memory/3388-132-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/3388-135-0x0000000002210000-0x0000000002283000-memory.dmp

    Filesize

    460KB