Analysis

  • max time kernel
    32s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02-10-2022 11:44

General

  • Target

    facde13e33a8f6485a42a53503d58913398d59b36a14f701c0bc26e8bdde4be4.exe

  • Size

    352KB

  • MD5

    76dea90bde59f852c5f8f77b870ddcfb

  • SHA1

    12e6d649b58f583497965c12e6a9eefea477c72c

  • SHA256

    facde13e33a8f6485a42a53503d58913398d59b36a14f701c0bc26e8bdde4be4

  • SHA512

    8c7704e0815f224fd4e70fbe680793052846c58291de73590b846c0cd8b6e2971cb8c00817644293cdd129752663918caaafd50dd339d13bc271173bd13b63b8

  • SSDEEP

    6144:QLcWkuzmQXbpobHVyC1XEWB++tSXje5iTmDXQECEqIlXSK+XMVOJj:JuzwHVf6cae5iTt2lCK+X

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • UPX packed file 7 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

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

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

  • Drops file in System32 directory 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\facde13e33a8f6485a42a53503d58913398d59b36a14f701c0bc26e8bdde4be4.exe
    "C:\Users\Admin\AppData\Local\Temp\facde13e33a8f6485a42a53503d58913398d59b36a14f701c0bc26e8bdde4be4.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • outlook_win_path
    PID:1624
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe msibmg32.dll,ssMdcLKWg
      2⤵
      • Loads dropped DLL
      PID:1756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 340
      2⤵
      • Program crash
      PID:960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\msibmg32.dll

    Filesize

    169KB

    MD5

    48518c28b28128f23428afac9d12d183

    SHA1

    abc163c73811703d3cf0c24da22986131905ca34

    SHA256

    2e1505794ad03265fa0a4c3ccb7a3dff7b3033cad9ed29297a98f7600b27cb8a

    SHA512

    991a88ad034432c10e7668f37f48444d78d69c4cb8b1b17d16036771c4b8e0fa3dbb42c061dd5c2baa7f00a787a95bb793f2d92308061e49a2554c4a5294aab0

  • \Windows\SysWOW64\msibmg32.dll

    Filesize

    169KB

    MD5

    48518c28b28128f23428afac9d12d183

    SHA1

    abc163c73811703d3cf0c24da22986131905ca34

    SHA256

    2e1505794ad03265fa0a4c3ccb7a3dff7b3033cad9ed29297a98f7600b27cb8a

    SHA512

    991a88ad034432c10e7668f37f48444d78d69c4cb8b1b17d16036771c4b8e0fa3dbb42c061dd5c2baa7f00a787a95bb793f2d92308061e49a2554c4a5294aab0

  • \Windows\SysWOW64\msibmg32.dll

    Filesize

    169KB

    MD5

    48518c28b28128f23428afac9d12d183

    SHA1

    abc163c73811703d3cf0c24da22986131905ca34

    SHA256

    2e1505794ad03265fa0a4c3ccb7a3dff7b3033cad9ed29297a98f7600b27cb8a

    SHA512

    991a88ad034432c10e7668f37f48444d78d69c4cb8b1b17d16036771c4b8e0fa3dbb42c061dd5c2baa7f00a787a95bb793f2d92308061e49a2554c4a5294aab0

  • \Windows\SysWOW64\msibmg32.dll

    Filesize

    169KB

    MD5

    48518c28b28128f23428afac9d12d183

    SHA1

    abc163c73811703d3cf0c24da22986131905ca34

    SHA256

    2e1505794ad03265fa0a4c3ccb7a3dff7b3033cad9ed29297a98f7600b27cb8a

    SHA512

    991a88ad034432c10e7668f37f48444d78d69c4cb8b1b17d16036771c4b8e0fa3dbb42c061dd5c2baa7f00a787a95bb793f2d92308061e49a2554c4a5294aab0

  • \Windows\SysWOW64\msibmg32.dll

    Filesize

    169KB

    MD5

    48518c28b28128f23428afac9d12d183

    SHA1

    abc163c73811703d3cf0c24da22986131905ca34

    SHA256

    2e1505794ad03265fa0a4c3ccb7a3dff7b3033cad9ed29297a98f7600b27cb8a

    SHA512

    991a88ad034432c10e7668f37f48444d78d69c4cb8b1b17d16036771c4b8e0fa3dbb42c061dd5c2baa7f00a787a95bb793f2d92308061e49a2554c4a5294aab0

  • memory/960-62-0x0000000000000000-mapping.dmp

  • memory/1624-57-0x0000000002290000-0x0000000002315000-memory.dmp

    Filesize

    532KB

  • memory/1624-61-0x0000000000320000-0x000000000037A000-memory.dmp

    Filesize

    360KB

  • memory/1624-58-0x0000000002290000-0x0000000002315000-memory.dmp

    Filesize

    532KB

  • memory/1624-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

    Filesize

    8KB

  • memory/1624-56-0x0000000000320000-0x000000000037A000-memory.dmp

    Filesize

    360KB

  • memory/1624-55-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/1624-69-0x0000000002290000-0x0000000002315000-memory.dmp

    Filesize

    532KB

  • memory/1756-59-0x0000000000000000-mapping.dmp

  • memory/1756-68-0x0000000010000000-0x0000000010085000-memory.dmp

    Filesize

    532KB