Analysis

  • max time kernel
    146s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    15-10-2021 13:18

General

  • Target

    f010795b19f2c56b230b7de0f9803cd3aeea208a.exe

  • Size

    2.0MB

  • MD5

    517e0a4d7e27837a7075615032a6cc69

  • SHA1

    f010795b19f2c56b230b7de0f9803cd3aeea208a

  • SHA256

    f4743b96b2336504bd9b8207b0794da22e9eaf583703a7e3dd58cf872314ac4f

  • SHA512

    5c9f1b9c874587b79852e98fe7adb06f544dbbb5b5af7bd60205cd4c24a43e5ab37d85d4ccb1fb22815942e6546cf936f1caa371718440cd01618094a0f18bb7

Malware Config

Signatures

  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor Payload 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f010795b19f2c56b230b7de0f9803cd3aeea208a.exe
    "C:\Users\Admin\AppData\Local\Temp\f010795b19f2c56b230b7de0f9803cd3aeea208a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1516
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Updates1" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1012
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "Updates1" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe"
        3⤵
        • Adds Run key to start application
        PID:1736
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
        "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
        3⤵
        • Executes dropped EXE
        PID:580
      • C:\Users\Admin\AppData\Local\Temp\Antivirus.exe
        "C:\Users\Admin\AppData\Local\Temp\Antivirus.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1688
        • C:\Users\Admin\AppData\Local\Temp\Antivirus.exe
          "C:\Users\Admin\AppData\Local\Temp\Antivirus.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1068

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • C:\Users\Admin\AppData\Local\Temp\Antivirus.exe

    MD5

    0e362e7005823d0bec3719b902ed6d62

    SHA1

    590d860b909804349e0cdc2f1662b37bd62f7463

    SHA256

    2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

    SHA512

    518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

  • C:\Users\Admin\AppData\Local\Temp\Antivirus.exe

    MD5

    0e362e7005823d0bec3719b902ed6d62

    SHA1

    590d860b909804349e0cdc2f1662b37bd62f7463

    SHA256

    2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

    SHA512

    518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

  • C:\Users\Admin\AppData\Local\Temp\Antivirus.exe

    MD5

    0e362e7005823d0bec3719b902ed6d62

    SHA1

    590d860b909804349e0cdc2f1662b37bd62f7463

    SHA256

    2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

    SHA512

    518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

  • C:\Users\Admin\AppData\Local\Temp\Antivirus.txt

    MD5

    0c3736f5f21ba3a2cf189c2bfda8aa61

    SHA1

    c28ed526041713c2283ae2ab06966e935c48c1dd

    SHA256

    250c00f3d3d6da2b8141eee0091187f34067268e658dc189b41fc9589e256a54

    SHA512

    d03cbf230e218137e48c3f3f23b99e9bf73a5b8c94013aff49ab8c4369530b0fbb0b3a2c6bdc6a4caee40e89cd02fac558b971a6076ccfa3f5200b12c1680570

  • C:\Users\Admin\AppData\Local\Temp\Antivirus.txt

    MD5

    70d65563bb85d1af2c53339de2fec5c6

    SHA1

    34aaa0e5d4488cdf791a6d45ba37c4102a81bce4

    SHA256

    1ec5ab82dd70c6411e49979852bd8bf7d0cd7639daf053157c8da2a0e701a56e

    SHA512

    3ea5078ab0f0f55c4a8fd5f30528594206b847cbbbd6332ab9e52fce7538c3e917bb7b6d4630e22c5431f241af113474596f5ccbef610849848f9c2f0e90f871

  • C:\Users\Admin\AppData\Local\Temp\Antivirus.txt

    MD5

    70d65563bb85d1af2c53339de2fec5c6

    SHA1

    34aaa0e5d4488cdf791a6d45ba37c4102a81bce4

    SHA256

    1ec5ab82dd70c6411e49979852bd8bf7d0cd7639daf053157c8da2a0e701a56e

    SHA512

    3ea5078ab0f0f55c4a8fd5f30528594206b847cbbbd6332ab9e52fce7538c3e917bb7b6d4630e22c5431f241af113474596f5ccbef610849848f9c2f0e90f871

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe

    MD5

    517e0a4d7e27837a7075615032a6cc69

    SHA1

    f010795b19f2c56b230b7de0f9803cd3aeea208a

    SHA256

    f4743b96b2336504bd9b8207b0794da22e9eaf583703a7e3dd58cf872314ac4f

    SHA512

    5c9f1b9c874587b79852e98fe7adb06f544dbbb5b5af7bd60205cd4c24a43e5ab37d85d4ccb1fb22815942e6546cf936f1caa371718440cd01618094a0f18bb7

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe

    MD5

    517e0a4d7e27837a7075615032a6cc69

    SHA1

    f010795b19f2c56b230b7de0f9803cd3aeea208a

    SHA256

    f4743b96b2336504bd9b8207b0794da22e9eaf583703a7e3dd58cf872314ac4f

    SHA512

    5c9f1b9c874587b79852e98fe7adb06f544dbbb5b5af7bd60205cd4c24a43e5ab37d85d4ccb1fb22815942e6546cf936f1caa371718440cd01618094a0f18bb7

  • \Users\Admin\AppData\Local\Temp\AddInProcess32.exe

    MD5

    6a673bfc3b67ae9782cb31af2f234c68

    SHA1

    7544e89566d91e84e3cd437b9a073e5f6b56566e

    SHA256

    978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

    SHA512

    72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

  • \Users\Admin\AppData\Local\Temp\Antivirus.exe

    MD5

    0e362e7005823d0bec3719b902ed6d62

    SHA1

    590d860b909804349e0cdc2f1662b37bd62f7463

    SHA256

    2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

    SHA512

    518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

  • \Users\Admin\AppData\Local\Temp\Antivirus.exe

    MD5

    0e362e7005823d0bec3719b902ed6d62

    SHA1

    590d860b909804349e0cdc2f1662b37bd62f7463

    SHA256

    2d0dc6216f613ac7551a7e70a798c22aee8eb9819428b1357e2b8c73bef905ad

    SHA512

    518991b68496b3f8545e418cf9b345e0791e09cc20d177b8aa47e0aba447aa55383c64f5bdaca39f2b061a5d08c16f2ad484af8a9f238ca23ab081618fba3ad3

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Updates.exe

    MD5

    517e0a4d7e27837a7075615032a6cc69

    SHA1

    f010795b19f2c56b230b7de0f9803cd3aeea208a

    SHA256

    f4743b96b2336504bd9b8207b0794da22e9eaf583703a7e3dd58cf872314ac4f

    SHA512

    5c9f1b9c874587b79852e98fe7adb06f544dbbb5b5af7bd60205cd4c24a43e5ab37d85d4ccb1fb22815942e6546cf936f1caa371718440cd01618094a0f18bb7

  • memory/580-80-0x0000000000421000-0x000000000050B000-memory.dmp

    Filesize

    936KB

  • memory/580-73-0x0000000000421000-0x000000000050B000-memory.dmp

    Filesize

    936KB

  • memory/580-74-0x0000000000420000-0x0000000000513000-memory.dmp

    Filesize

    972KB

  • memory/580-75-0x0000000000420000-0x0000000000513000-memory.dmp

    Filesize

    972KB

  • memory/580-76-0x0000000000420000-0x0000000000513000-memory.dmp

    Filesize

    972KB

  • memory/580-78-0x000000000049D8CA-mapping.dmp

  • memory/1012-58-0x0000000000000000-mapping.dmp

  • memory/1068-91-0x0000000000000000-mapping.dmp

  • memory/1220-69-0x00000000002F0000-0x00000000002F1000-memory.dmp

    Filesize

    4KB

  • memory/1220-61-0x0000000000000000-mapping.dmp

  • memory/1220-68-0x0000000000AC0000-0x0000000000ACB000-memory.dmp

    Filesize

    44KB

  • memory/1220-66-0x0000000000690000-0x0000000000691000-memory.dmp

    Filesize

    4KB

  • memory/1220-64-0x0000000000F60000-0x0000000000F61000-memory.dmp

    Filesize

    4KB

  • memory/1516-53-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/1516-57-0x0000000001FB1000-0x0000000001FB2000-memory.dmp

    Filesize

    4KB

  • memory/1516-56-0x00000000020F0000-0x0000000002111000-memory.dmp

    Filesize

    132KB

  • memory/1516-55-0x0000000001FB0000-0x0000000001FB1000-memory.dmp

    Filesize

    4KB

  • memory/1688-87-0x0000000001130000-0x0000000001131000-memory.dmp

    Filesize

    4KB

  • memory/1688-84-0x0000000000000000-mapping.dmp

  • memory/1736-59-0x0000000000000000-mapping.dmp