Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 21:16

General

  • Target

    Bill_Of _Lading.exe

  • Size

    886KB

  • MD5

    088c8c2c2c8d6b7708c8c01fb400b9a8

  • SHA1

    f00831285d28f1a214afd8f6237fe5e5763d2b71

  • SHA256

    aa229130ed51294a06ff9dd26a0891c5da383cda41ceb0cf49e0878eb0ee021b

  • SHA512

    4958e80a06b48a3661671ae3a2906ebbaf7d7fde60d5c8ebb0fa7db74f8f472b8536867eb3fb329032759970ac92a13784f1c094ef69e48cc14956ca906a29bd

  • SSDEEP

    24576:EaMO8R992kY3dIhSElcdSUi/RGaq2BvoAVpTqh1q:vj8LLY3KhtysRdDTd

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Looks up external IP address via web service 1 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).

  • Program crash 1 IoCs
  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bill_Of _Lading.exe
    "C:\Users\Admin\AppData\Local\Temp\Bill_Of _Lading.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Bill_Of _Lading.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NhTxRCnbW.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NhTxRCnbW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFAB7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2384
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:4644
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 1812
          3⤵
          • Program crash
          PID:1608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1444 -ip 1444
      1⤵
        PID:1408

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        4703dea730222df5a55ce95e6856d1dd

        SHA1

        6151ae616799fff6deffa7488cfaccf077228b6a

        SHA256

        bb5930d762a2de66c3ab571ae451431fafdf3c4acb3246896d8c298cac1d7560

        SHA512

        50e66c21e4ec27be0508ba4cead4b1f0e758cc79e6248f8fc1b0ebda35bd189bd40c837f0006830c8327270d1ee202ca25a2f768196e6e806b189a94bafc0f9c

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3mfsdiga.yqj.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpFAB7.tmp

        Filesize

        1KB

        MD5

        bb806b45affb94a8633bd83441652280

        SHA1

        2c5da6839a6ca1194e0b488ac601bd0947fa537e

        SHA256

        649b2152749af6167078add304150d9b1d8a968dc4224184ce8d6ae43bb99685

        SHA512

        16c8741f170e35e42b22dcb24ed2c1da100895db81fff20d7d6b36ed93b3727103aba3d54734efc2e0b9e6278f325d505bafde475a49e0319bdb1f70cce22a78

      • memory/1444-30-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/1444-91-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/1444-42-0x0000000005240000-0x0000000005250000-memory.dmp

        Filesize

        64KB

      • memory/1444-25-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/1708-80-0x00000000074A0000-0x0000000007543000-memory.dmp

        Filesize

        652KB

      • memory/1708-21-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/1708-83-0x00000000075E0000-0x00000000075EA000-memory.dmp

        Filesize

        40KB

      • memory/1708-81-0x0000000007BD0000-0x000000000824A000-memory.dmp

        Filesize

        6.5MB

      • memory/1708-86-0x0000000007790000-0x00000000077A1000-memory.dmp

        Filesize

        68KB

      • memory/1708-70-0x000000007F650000-0x000000007F660000-memory.dmp

        Filesize

        64KB

      • memory/1708-67-0x0000000006820000-0x000000000683E000-memory.dmp

        Filesize

        120KB

      • memory/1708-57-0x0000000070890000-0x00000000708DC000-memory.dmp

        Filesize

        304KB

      • memory/1708-54-0x0000000002970000-0x0000000002980000-memory.dmp

        Filesize

        64KB

      • memory/1708-84-0x00000000077F0000-0x0000000007886000-memory.dmp

        Filesize

        600KB

      • memory/1708-22-0x0000000002970000-0x0000000002980000-memory.dmp

        Filesize

        64KB

      • memory/1708-23-0x0000000002970000-0x0000000002980000-memory.dmp

        Filesize

        64KB

      • memory/1708-87-0x00000000077C0000-0x00000000077CE000-memory.dmp

        Filesize

        56KB

      • memory/1708-52-0x0000000006270000-0x000000000628E000-memory.dmp

        Filesize

        120KB

      • memory/1708-89-0x00000000078C0000-0x00000000078DA000-memory.dmp

        Filesize

        104KB

      • memory/1708-90-0x00000000078B0000-0x00000000078B8000-memory.dmp

        Filesize

        32KB

      • memory/1708-98-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4068-16-0x00000000049F0000-0x0000000004A00000-memory.dmp

        Filesize

        64KB

      • memory/4068-18-0x0000000002570000-0x00000000025A6000-memory.dmp

        Filesize

        216KB

      • memory/4068-97-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4068-28-0x00000000056D0000-0x0000000005736000-memory.dmp

        Filesize

        408KB

      • memory/4068-43-0x00000000058B0000-0x0000000005C04000-memory.dmp

        Filesize

        3.3MB

      • memory/4068-26-0x0000000004EE0000-0x0000000004F02000-memory.dmp

        Filesize

        136KB

      • memory/4068-53-0x0000000005F00000-0x0000000005F4C000-memory.dmp

        Filesize

        304KB

      • memory/4068-20-0x0000000005030000-0x0000000005658000-memory.dmp

        Filesize

        6.2MB

      • memory/4068-55-0x000000007FA50000-0x000000007FA60000-memory.dmp

        Filesize

        64KB

      • memory/4068-85-0x00000000073F0000-0x0000000007401000-memory.dmp

        Filesize

        68KB

      • memory/4068-69-0x0000000070890000-0x00000000708DC000-memory.dmp

        Filesize

        304KB

      • memory/4068-68-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4068-88-0x0000000007430000-0x0000000007444000-memory.dmp

        Filesize

        80KB

      • memory/4068-56-0x00000000064A0000-0x00000000064D2000-memory.dmp

        Filesize

        200KB

      • memory/4068-15-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4068-29-0x0000000005740000-0x00000000057A6000-memory.dmp

        Filesize

        408KB

      • memory/4068-82-0x00000000071D0000-0x00000000071EA000-memory.dmp

        Filesize

        104KB

      • memory/4964-12-0x000000000AF40000-0x000000000AFDC000-memory.dmp

        Filesize

        624KB

      • memory/4964-10-0x00000000084F0000-0x00000000084FA000-memory.dmp

        Filesize

        40KB

      • memory/4964-9-0x00000000084E0000-0x00000000084E8000-memory.dmp

        Filesize

        32KB

      • memory/4964-11-0x00000000087A0000-0x000000000881C000-memory.dmp

        Filesize

        496KB

      • memory/4964-8-0x0000000005780000-0x0000000005790000-memory.dmp

        Filesize

        64KB

      • memory/4964-7-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4964-0-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4964-6-0x0000000006D60000-0x0000000006D7A000-memory.dmp

        Filesize

        104KB

      • memory/4964-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

        Filesize

        40KB

      • memory/4964-4-0x0000000005780000-0x0000000005790000-memory.dmp

        Filesize

        64KB

      • memory/4964-3-0x0000000005840000-0x00000000058D2000-memory.dmp

        Filesize

        584KB

      • memory/4964-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

        Filesize

        5.6MB

      • memory/4964-31-0x0000000074460000-0x0000000074C10000-memory.dmp

        Filesize

        7.7MB

      • memory/4964-1-0x0000000000D30000-0x0000000000E14000-memory.dmp

        Filesize

        912KB