Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 05:24

General

  • Target

    be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe

  • Size

    825KB

  • MD5

    b4ac3a610662ffcc285a098ab43f6970

  • SHA1

    1d0a2b0924de9d9afed132d5e8b6214dc1dfc9e5

  • SHA256

    be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65

  • SHA512

    6cc4f2845dc9770b7caff501d568e43936ff3cce0e2ccb0010c15c3ca179a2ff9a80eca4abe2f3c7ddb4f8f2574fa567bb1dc4bfb8c9be5701e2d555d9b7d65f

  • SSDEEP

    24576:PkK+waI8JRQMEJ2rufRtse9r0v8MlBiIwuD0w6RAfEy:c4aSlx8lBi7E0lSfEy

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
  • Drops file in System32 directory 12 IoCs
  • Modifies data under HKEY_USERS 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 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\be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe
    "C:\Users\Admin\AppData\Local\Temp\be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    PID:1712
  • C:\Users\Admin\AppData\Local\Temp\be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe
    "C:\Users\Admin\AppData\Local\Temp\be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe" -service -lunch
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Users\Admin\AppData\Local\Temp\be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe
      "C:\Users\Admin\AppData\Local\Temp\be7da4a4eb534744bba008b2ff12f4f72b09432d1c1a27d2a1dc76fc0737bd65.exe"
      2⤵
      • Checks computer location settings
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:792

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\qviD2A6.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Users\Admin\AppData\Local\Temp\qviD2A6.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\cviD41D.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\cviD41D.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\uviD3CF.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • C:\Windows\Temp\uviD3CF.tmp

    Filesize

    172KB

    MD5

    685f1cbd4af30a1d0c25f252d399a666

    SHA1

    6a1b978f5e6150b88c8634146f1406ed97d2f134

    SHA256

    0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

    SHA512

    6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

  • memory/792-148-0x0000000000640000-0x00000000006B3000-memory.dmp

    Filesize

    460KB

  • memory/792-147-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/792-146-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/792-145-0x0000000000640000-0x00000000006B3000-memory.dmp

    Filesize

    460KB

  • memory/1712-139-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/1712-143-0x0000000002210000-0x0000000002283000-memory.dmp

    Filesize

    460KB

  • memory/1712-132-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB

  • memory/4892-144-0x0000000000E10000-0x0000000000E83000-memory.dmp

    Filesize

    460KB

  • memory/4892-138-0x0000000000400000-0x00000000004A3000-memory.dmp

    Filesize

    652KB