Analysis

  • max time kernel
    238s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19-07-2021 13:28

General

  • Target

    obi1.exe

  • Size

    811KB

  • MD5

    40cc8249b0f31d6e1c0065aab24007b1

  • SHA1

    f73e02ad09976ade8985ec833c5743dc387c9687

  • SHA256

    662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

  • SHA512

    0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

Malware Config

Extracted

Family

warzonerat

C2

dfdgdsasedw.ydns.eu:34566

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1880141509:AAHjseWsCVnzygKB72YGbdj6S0DpdeKfGSs/sendDocument

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • AgentTesla Payload 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 9 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Modifies WinLogon 2 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\obi1.exe
    "C:\Users\Admin\AppData\Local\Temp\obi1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\obi1.exe
      C:\Users\Admin\AppData\Local\Temp\obi1.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:784
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:576
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /f /v Load /t REG_SZ /d "C:\ProgramData\images.exe"
          4⤵
            PID:764
        • C:\ProgramData\images.exe
          "C:\ProgramData\images.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1948
          • C:\Users\Admin\AppData\Local\Temp\images.exe
            C:\Users\Admin\AppData\Local\Temp\images.exe
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies WinLogon
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1016
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\System32\cmd.exe"
              5⤵
                PID:824
              • C:\Users\Admin\AppData\Roaming\ld.wgHD...exe
                "C:\Users\Admin\AppData\Roaming\ld.wgHD...exe"
                5⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:460
                • C:\Windows\SysWOW64\schtasks.exe
                  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eRUPcn" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA8E.tmp"
                  6⤵
                  • Creates scheduled task(s)
                  PID:1792
                • C:\Users\Admin\AppData\Roaming\ld.wgHD...exe
                  "{path}"
                  6⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  PID:1764

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Winlogon Helper DLL

      1
      T1004

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      3
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\images.exe
        MD5

        40cc8249b0f31d6e1c0065aab24007b1

        SHA1

        f73e02ad09976ade8985ec833c5743dc387c9687

        SHA256

        662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

        SHA512

        0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

      • C:\ProgramData\images.exe
        MD5

        40cc8249b0f31d6e1c0065aab24007b1

        SHA1

        f73e02ad09976ade8985ec833c5743dc387c9687

        SHA256

        662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

        SHA512

        0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

      • C:\Users\Admin\AppData\Local\Temp\images.exe
        MD5

        40cc8249b0f31d6e1c0065aab24007b1

        SHA1

        f73e02ad09976ade8985ec833c5743dc387c9687

        SHA256

        662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

        SHA512

        0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

      • C:\Users\Admin\AppData\Local\Temp\images.exe
        MD5

        40cc8249b0f31d6e1c0065aab24007b1

        SHA1

        f73e02ad09976ade8985ec833c5743dc387c9687

        SHA256

        662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

        SHA512

        0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

      • C:\Users\Admin\AppData\Local\Temp\tmpEA8E.tmp
        MD5

        1bf0b627b3132496e49485fc2560e2ea

        SHA1

        79b2ad3f295645729a7610c46f5b713305c8b4f3

        SHA256

        b613c239c61ca1ebc3b9d6683cd84d0253ab3168da93105931f8d1292e0745cb

        SHA512

        3e4675d45a604b3ca3b1c121edb6b71bfe775256dbf1a6cbf4f42106dbe479a4e3b8e3d73293031d4618fb7c0e8f2c866654e8c7226f7d12348721c33099fac2

      • C:\Users\Admin\AppData\Roaming\ld.wgHD...exe
        MD5

        f4551cadd68cf58e1ea86d3664eefd4c

        SHA1

        e184513a01eb1dd3a34998f6f3c756681687eb90

        SHA256

        90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

        SHA512

        e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

      • C:\Users\Admin\AppData\Roaming\ld.wgHD...exe
        MD5

        f4551cadd68cf58e1ea86d3664eefd4c

        SHA1

        e184513a01eb1dd3a34998f6f3c756681687eb90

        SHA256

        90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

        SHA512

        e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

      • C:\Users\Admin\AppData\Roaming\ld.wgHD...exe
        MD5

        f4551cadd68cf58e1ea86d3664eefd4c

        SHA1

        e184513a01eb1dd3a34998f6f3c756681687eb90

        SHA256

        90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

        SHA512

        e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

      • \ProgramData\images.exe
        MD5

        40cc8249b0f31d6e1c0065aab24007b1

        SHA1

        f73e02ad09976ade8985ec833c5743dc387c9687

        SHA256

        662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

        SHA512

        0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

      • \Users\Admin\AppData\Local\Temp\freebl3.dll
        MD5

        ef12ab9d0b231b8f898067b2114b1bc0

        SHA1

        6d90f27b2105945f9bb77039e8b892070a5f9442

        SHA256

        2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

        SHA512

        2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

      • \Users\Admin\AppData\Local\Temp\images.exe
        MD5

        40cc8249b0f31d6e1c0065aab24007b1

        SHA1

        f73e02ad09976ade8985ec833c5743dc387c9687

        SHA256

        662fbe23c87844a881ca233876ff75ee05ddf2ac0a1b5546fb5bc7603474860a

        SHA512

        0d7cc1d3bd30c7c5d2b549c5dd9fe332b95b5947637e8b00fd0790ff4ee6bb222fa3267b60779782a3f1c18e28b1f004f321008fc018c986db36fe37dc44d351

      • \Users\Admin\AppData\Local\Temp\mozglue.dll
        MD5

        75f8cc548cabf0cc800c25047e4d3124

        SHA1

        602676768f9faecd35b48c38a0632781dfbde10c

        SHA256

        fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

        SHA512

        ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

      • \Users\Admin\AppData\Local\Temp\msvcp140.dll
        MD5

        109f0f02fd37c84bfc7508d4227d7ed5

        SHA1

        ef7420141bb15ac334d3964082361a460bfdb975

        SHA256

        334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

        SHA512

        46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

      • \Users\Admin\AppData\Local\Temp\nss3.dll
        MD5

        d7858e8449004e21b01d468e9fd04b82

        SHA1

        9524352071ede21c167e7e4f106e9526dc23ef4e

        SHA256

        78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

        SHA512

        1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

      • \Users\Admin\AppData\Local\Temp\softokn3.dll
        MD5

        471c983513694ac3002590345f2be0da

        SHA1

        6612b9af4ff6830fa9b7d4193078434ef72f775b

        SHA256

        bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

        SHA512

        a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

      • \Users\Admin\AppData\Local\Temp\vcruntime140.dll
        MD5

        7587bf9cb4147022cd5681b015183046

        SHA1

        f2106306a8f6f0da5afb7fc765cfa0757ad5a628

        SHA256

        c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

        SHA512

        0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

      • \Users\Admin\AppData\Roaming\ld.wgHD...exe
        MD5

        f4551cadd68cf58e1ea86d3664eefd4c

        SHA1

        e184513a01eb1dd3a34998f6f3c756681687eb90

        SHA256

        90f026ae8692c2199e2a5e8ea618c93ff00fd5d07ac974191ca5f060c1f7c737

        SHA512

        e52f815e10d145b0f81630ab60c87644cfb6ba53e026f367d5d29ce096bdc3b4db772456bb3df0e40ccc68f08648a27b520a923a05d4c24f8faf45be63efd843

      • memory/460-108-0x00000000044A0000-0x000000000453F000-memory.dmp
        Filesize

        636KB

      • memory/460-109-0x0000000005390000-0x00000000053EA000-memory.dmp
        Filesize

        360KB

      • memory/460-107-0x00000000003C0000-0x00000000003C1000-memory.dmp
        Filesize

        4KB

      • memory/460-106-0x00000000003A0000-0x00000000003A2000-memory.dmp
        Filesize

        8KB

      • memory/460-104-0x0000000000AF0000-0x0000000000AF1000-memory.dmp
        Filesize

        4KB

      • memory/460-101-0x0000000000000000-mapping.dmp
      • memory/576-74-0x0000000000000000-mapping.dmp
      • memory/764-77-0x0000000000000000-mapping.dmp
      • memory/784-73-0x0000000000400000-0x000000000055E000-memory.dmp
        Filesize

        1.4MB

      • memory/784-72-0x0000000075AF1000-0x0000000075AF3000-memory.dmp
        Filesize

        8KB

      • memory/784-70-0x0000000000400000-0x000000000055E000-memory.dmp
        Filesize

        1.4MB

      • memory/784-71-0x0000000000405E28-mapping.dmp
      • memory/824-98-0x0000000000160000-0x0000000000161000-memory.dmp
        Filesize

        4KB

      • memory/824-97-0x0000000000000000-mapping.dmp
      • memory/1016-99-0x0000000003EB0000-0x0000000003FB0000-memory.dmp
        Filesize

        1024KB

      • memory/1016-95-0x0000000000400000-0x000000000055E000-memory.dmp
        Filesize

        1.4MB

      • memory/1016-92-0x0000000000405E28-mapping.dmp
      • memory/1016-124-0x0000000004BA0000-0x0000000004C24000-memory.dmp
        Filesize

        528KB

      • memory/1100-60-0x0000000001220000-0x0000000001221000-memory.dmp
        Filesize

        4KB

      • memory/1100-62-0x00000000004A0000-0x00000000004A1000-memory.dmp
        Filesize

        4KB

      • memory/1100-63-0x00000000004A5000-0x00000000004B6000-memory.dmp
        Filesize

        68KB

      • memory/1100-64-0x0000000000610000-0x000000000065E000-memory.dmp
        Filesize

        312KB

      • memory/1100-69-0x0000000004D20000-0x0000000004D87000-memory.dmp
        Filesize

        412KB

      • memory/1764-115-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/1764-117-0x0000000004A30000-0x0000000004A31000-memory.dmp
        Filesize

        4KB

      • memory/1764-113-0x000000000043777E-mapping.dmp
      • memory/1764-112-0x0000000000400000-0x000000000043C000-memory.dmp
        Filesize

        240KB

      • memory/1764-125-0x0000000004A31000-0x0000000004A32000-memory.dmp
        Filesize

        4KB

      • memory/1792-110-0x0000000000000000-mapping.dmp
      • memory/1948-80-0x0000000001300000-0x0000000001301000-memory.dmp
        Filesize

        4KB

      • memory/1948-76-0x0000000000000000-mapping.dmp
      • memory/1948-82-0x0000000004C60000-0x0000000004C61000-memory.dmp
        Filesize

        4KB

      • memory/1948-83-0x0000000004C65000-0x0000000004C76000-memory.dmp
        Filesize

        68KB