Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2024 20:38

General

  • Target

    25f991d45930652cd1cb9b344f43954a24087940e99ac05d183d3f282cf313fb.exe

  • Size

    139KB

  • MD5

    d6508a76d84af408cd1cd7dffb114172

  • SHA1

    839f2eeab0324e4127d3b22a5b29068ad7616033

  • SHA256

    25f991d45930652cd1cb9b344f43954a24087940e99ac05d183d3f282cf313fb

  • SHA512

    c131eed0767d715fa017475d2ac8881478a3d59d727da80902e53e847728ae8008a048a30ab2c29dfd5ee8d9ad8fcba2919f631030e528bc71f1ce0038e50a9e

  • SSDEEP

    3072:KMQbfOJQ33f8PfJA+R4NvVwFmrtBjMG1fIo:KMKLnU3JAEwVwUrTvIo

Malware Config

Signatures

  • Floxif family
  • Floxif, Floodfix

    Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Detects Floxif payload 1 IoCs
  • Disables RegEdit via registry modification 4 IoCs
  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 22 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Service Discovery 1 TTPs 9 IoCs

    Attempt to gather information on host's network.

  • Drops file in System32 directory 24 IoCs
  • UPX packed file 47 IoCs

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

  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25f991d45930652cd1cb9b344f43954a24087940e99ac05d183d3f282cf313fb.exe
    "C:\Users\Admin\AppData\Local\Temp\25f991d45930652cd1cb9b344f43954a24087940e99ac05d183d3f282cf313fb.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\arp.exe
      arp -a
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:1284
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.0.1 54-e2-f6-db-65-c7
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\SysWOW64\arp.exe
      arp -s 10.127.255.255 a7-47-fb-10-93-90
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2176
    • C:\Windows\SysWOW64\arp.exe
      arp -s 154.61.71.51 dd-eb-68-31-51-6e
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.22 ca-c4-64-b5-4b-c3
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2188
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.251 20-af-65-a5-c4-f1
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • C:\Windows\SysWOW64\arp.exe
      arp -s 224.0.0.252 ea-c3-3d-1d-e7-10
      2⤵
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      PID:2912
    • C:\Windows\SysWOW64\arp.exe
      arp -s 239.255.255.250 2a-4e-9d-9f-2c-fa
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • C:\Windows\SysWOW64\arp.exe
      arp -s 255.255.255.255 02-40-c4-59-c5-fc
      2⤵
      • Loads dropped DLL
      • Network Service Discovery
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O53636Z\service.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O53636Z\service.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2800
    • C:\Windows\M35728\smss.exe
      "C:\Windows\M35728\smss.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2408
    • C:\Windows\M35728\EmangEloh.exe
      "C:\Windows\M35728\EmangEloh.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2072
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O53636Z\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O53636Z\winlogon.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\M35728\EmangEloh.exe

    Filesize

    139KB

    MD5

    d6508a76d84af408cd1cd7dffb114172

    SHA1

    839f2eeab0324e4127d3b22a5b29068ad7616033

    SHA256

    25f991d45930652cd1cb9b344f43954a24087940e99ac05d183d3f282cf313fb

    SHA512

    c131eed0767d715fa017475d2ac8881478a3d59d727da80902e53e847728ae8008a048a30ab2c29dfd5ee8d9ad8fcba2919f631030e528bc71f1ce0038e50a9e

  • C:\Windows\[TheMoonlight].txt

    Filesize

    109B

    MD5

    68c7836c8ff19e87ca33a7959a2bdff5

    SHA1

    cc5d0205bb71c10bbed22fe47e59b1f6817daab7

    SHA256

    883b19ec550f7ddb1e274a83d58d66c771ab10fefd136bab79483f2eb84e7fec

    SHA512

    3656005148788ed7ac8f5b5f8f6f4736c2dc4a94771291170e61666beb81e63be2a1a0f2913233b0e3f12ddfa7f1e89da9cd8323306413395ee78b2ece7fbfe8

  • C:\Windows\system\msvbvm60.dll

    Filesize

    1.3MB

    MD5

    5343a19c618bc515ceb1695586c6c137

    SHA1

    4dedae8cbde066f31c8e6b52c0baa3f8b1117742

    SHA256

    2246b4feae199408ea66d4a90c1589026f4a5800ce5a28e583b94506a8a73dce

    SHA512

    708d8a252a167fa94e3e1a49e2630d07613ff75a9a3e779a0c1fcbec44aa853a68c401f31a2b84152f46a05f7d93f4e5e502afc7a60236a22ac58dea73fa5606

  • C:\Windows\system\msvbvm60.dll

    Filesize

    1.3MB

    MD5

    77d7f1d5cc52f1a672bb35e4d7c31549

    SHA1

    fb34f32306a653d3156964ca8f1c0c5d3fb4b8d9

    SHA256

    acb0875385a237b0ad07323c4ca081df88c6649efe1b805817dc8ab91a07f22b

    SHA512

    361f43a62253558c9fe5d31446bdc340922a0d5c870e716b2c22d5c4b1b95ade64a6d953ab54ad6090895a14ed081ddf98cff0d2fd244a2f8f84b8e7e439414c

  • \Program Files\Common Files\System\symsrv.dll

    Filesize

    71KB

    MD5

    1458e1451cf701b363c99cfb81317789

    SHA1

    0dc90bc9a49f5d973e1649c0db09087ef3e0bb3f

    SHA256

    ace427ef87c8c1a9457e122c787d0b0c3b5a04d45f6df4d9a337e215def47c13

    SHA512

    b9ac9af373a93c6db20000bfe4d8c85a9df0c97a15d4989501f719a84f0cef2b72d3697a9a8b927b1cdc9a687cde6f1603fc9e5ba6bc4f63d461a8fadfd67e34

  • \Users\Admin\AppData\Local\Temp\A1D26E2\C5AF51494C.tmp

    Filesize

    59KB

    MD5

    00bab82a8c391d7fd51c4c6a550b1dac

    SHA1

    47a37f6af7baccedfc6898161ea25171496a9fb9

    SHA256

    a18fe7f2aa757c497721335225e00bb1b9c3f7ecea167fa9f9a3426a9d2b86fa

    SHA512

    7f8f74b7d6ba0f6e9ceadd00420f809080d91ce646ffb87b90572bcb5148abd552986f8300cec741ffcf72dfc3e611d25490aced8587d607158044b71d4e89c0

  • memory/2072-277-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-190-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-276-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2072-366-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-382-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-269-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-374-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-268-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2072-304-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2072-305-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-128-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2072-129-0x0000000000220000-0x0000000000253000-memory.dmp

    Filesize

    204KB

  • memory/2072-390-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2188-112-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2188-90-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-368-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-376-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-306-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-425-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-391-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-279-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-278-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-384-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-270-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-392-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-307-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-259-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-375-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-140-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2256-139-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-367-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2256-383-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2380-123-0x00000000042D0000-0x00000000042F3000-memory.dmp

    Filesize

    140KB

  • memory/2380-93-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2380-9-0x0000000000402000-0x0000000000405000-memory.dmp

    Filesize

    12KB

  • memory/2380-1-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2380-51-0x0000000002530000-0x000000000253F000-memory.dmp

    Filesize

    60KB

  • memory/2380-52-0x0000000002A60000-0x0000000002A83000-memory.dmp

    Filesize

    140KB

  • memory/2380-133-0x00000000042E0000-0x0000000004303000-memory.dmp

    Filesize

    140KB

  • memory/2380-4-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2380-143-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2380-144-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2380-134-0x00000000042E0000-0x0000000004303000-memory.dmp

    Filesize

    140KB

  • memory/2380-6-0x0000000000270000-0x0000000000272000-memory.dmp

    Filesize

    8KB

  • memory/2380-124-0x00000000042D0000-0x00000000042F3000-memory.dmp

    Filesize

    140KB

  • memory/2380-53-0x0000000002A60000-0x0000000002A83000-memory.dmp

    Filesize

    140KB

  • memory/2396-91-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2396-114-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-275-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-388-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-380-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-201-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2408-299-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-202-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-363-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2408-372-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-76-0x00000000001B0000-0x00000000001E3000-memory.dmp

    Filesize

    204KB

  • memory/2408-135-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-364-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2408-74-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2660-75-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2660-116-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2792-73-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2792-117-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-199-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2800-272-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2800-362-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-361-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2800-297-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-296-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2800-273-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-369-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2800-200-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-130-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-59-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2800-417-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2800-58-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2804-92-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB

  • memory/2804-120-0x0000000010000000-0x0000000010033000-memory.dmp

    Filesize

    204KB