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Analysis

  • max time kernel
    124s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/10/2023, 16:07

General

  • Target

    NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe

  • Size

    646KB

  • MD5

    0bcd514d7e2d45de7bb8dea8d717617f

  • SHA1

    9e058117755853bce0e80f0e44c91d00bb733e94

  • SHA256

    077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576a

  • SHA512

    1ec72b96fca1fe35acdb90f874e52b0130c64a199010895bb6a571c5a94504b64f7f8daa0a4ab50ac88c6bdc896ff0788708844d521f17a8aa623fa742709bd3

  • SSDEEP

    12288:h6vi1vjJGGna1FS3XXA9KgtIQoFUKiE+RWa9n/9HdavgF91NeyWDIrhz0EZGow11:Evi1LJ1na1isdfRKD+EaN/9HD1k9azzm

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6379133890:AAGJOuhiVuDuvd6ZHHUAJ-h8KtZWJyxx3IY/

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wZPmkvNBPxQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2364
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wZPmkvNBPxQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp284E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2224
    • C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe"
      2⤵
        PID:2476
      • C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe"
        2⤵
          PID:3156
        • C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2336
        • C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe"
          2⤵
            PID:4600

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.077017e5f92ab767447cc02a7017d126fc06e048811da11bb3956eac353e576aexe_JC.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kufpvshi.2ye.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmp284E.tmp

          Filesize

          1KB

          MD5

          14b4f2c9be246620b77e1423e2b54508

          SHA1

          98a406f68da4b62e897de2b4400c3a98ad98d691

          SHA256

          4180902db1ef54c69796f0b66947dc0401f795c17f56bb336ec4647b7314c614

          SHA512

          24724506728645d27123d3f430779b398e8122a4235ebc084674489268c0798a0555256b10b3bbeb039b37c5c87b9cdad0290fc82006291ebc1ebcc68fd4b779

        • memory/460-10-0x0000000006EE0000-0x0000000006F5A000-memory.dmp

          Filesize

          488KB

        • memory/460-0-0x00000000007C0000-0x0000000000868000-memory.dmp

          Filesize

          672KB

        • memory/460-5-0x0000000005300000-0x000000000530A000-memory.dmp

          Filesize

          40KB

        • memory/460-6-0x0000000005430000-0x0000000005442000-memory.dmp

          Filesize

          72KB

        • memory/460-7-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/460-8-0x0000000005440000-0x0000000005450000-memory.dmp

          Filesize

          64KB

        • memory/460-9-0x0000000006720000-0x0000000006730000-memory.dmp

          Filesize

          64KB

        • memory/460-29-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/460-11-0x000000000A8E0000-0x000000000A97C000-memory.dmp

          Filesize

          624KB

        • memory/460-4-0x0000000005440000-0x0000000005450000-memory.dmp

          Filesize

          64KB

        • memory/460-3-0x0000000005230000-0x00000000052C2000-memory.dmp

          Filesize

          584KB

        • memory/460-1-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/460-2-0x00000000058B0000-0x0000000005E54000-memory.dmp

          Filesize

          5.6MB

        • memory/2336-70-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2336-71-0x00000000059A0000-0x00000000059B0000-memory.dmp

          Filesize

          64KB

        • memory/2336-22-0x0000000000400000-0x0000000000442000-memory.dmp

          Filesize

          264KB

        • memory/2336-75-0x0000000007170000-0x00000000071C0000-memory.dmp

          Filesize

          320KB

        • memory/2336-35-0x00000000059A0000-0x00000000059B0000-memory.dmp

          Filesize

          64KB

        • memory/2336-28-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-16-0x00000000020E0000-0x0000000002116000-memory.dmp

          Filesize

          216KB

        • memory/2364-59-0x0000000006D20000-0x0000000006D3A000-memory.dmp

          Filesize

          104KB

        • memory/2364-27-0x0000000004C40000-0x0000000004CA6000-memory.dmp

          Filesize

          408KB

        • memory/2364-25-0x0000000004B30000-0x0000000004B52000-memory.dmp

          Filesize

          136KB

        • memory/2364-20-0x0000000004CE0000-0x0000000005308000-memory.dmp

          Filesize

          6.2MB

        • memory/2364-40-0x00000000054D0000-0x0000000005824000-memory.dmp

          Filesize

          3.3MB

        • memory/2364-41-0x0000000004790000-0x00000000047AE000-memory.dmp

          Filesize

          120KB

        • memory/2364-42-0x0000000005A60000-0x0000000005AAC000-memory.dmp

          Filesize

          304KB

        • memory/2364-43-0x00000000046A0000-0x00000000046B0000-memory.dmp

          Filesize

          64KB

        • memory/2364-44-0x000000007F750000-0x000000007F760000-memory.dmp

          Filesize

          64KB

        • memory/2364-45-0x0000000006BD0000-0x0000000006C02000-memory.dmp

          Filesize

          200KB

        • memory/2364-46-0x00000000713B0000-0x00000000713FC000-memory.dmp

          Filesize

          304KB

        • memory/2364-56-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

          Filesize

          120KB

        • memory/2364-57-0x0000000006C10000-0x0000000006CB3000-memory.dmp

          Filesize

          652KB

        • memory/2364-58-0x0000000007360000-0x00000000079DA000-memory.dmp

          Filesize

          6.5MB

        • memory/2364-26-0x0000000004BD0000-0x0000000004C36000-memory.dmp

          Filesize

          408KB

        • memory/2364-60-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-61-0x0000000006D90000-0x0000000006D9A000-memory.dmp

          Filesize

          40KB

        • memory/2364-62-0x0000000006FA0000-0x0000000007036000-memory.dmp

          Filesize

          600KB

        • memory/2364-63-0x00000000046A0000-0x00000000046B0000-memory.dmp

          Filesize

          64KB

        • memory/2364-64-0x0000000006F20000-0x0000000006F31000-memory.dmp

          Filesize

          68KB

        • memory/2364-65-0x00000000046A0000-0x00000000046B0000-memory.dmp

          Filesize

          64KB

        • memory/2364-66-0x0000000006F50000-0x0000000006F5E000-memory.dmp

          Filesize

          56KB

        • memory/2364-67-0x0000000006F60000-0x0000000006F74000-memory.dmp

          Filesize

          80KB

        • memory/2364-68-0x0000000007060000-0x000000000707A000-memory.dmp

          Filesize

          104KB

        • memory/2364-69-0x0000000007040000-0x0000000007048000-memory.dmp

          Filesize

          32KB

        • memory/2364-21-0x00000000046A0000-0x00000000046B0000-memory.dmp

          Filesize

          64KB

        • memory/2364-19-0x00000000046A0000-0x00000000046B0000-memory.dmp

          Filesize

          64KB

        • memory/2364-74-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2364-18-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB