Analysis

  • max time kernel
    134s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231025-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/11/2023, 15:47

General

  • Target

    NEAS.ProformaInvoiceWellErgon16092023.exe

  • Size

    1.1MB

  • MD5

    25e14638ee6c5b04008b3b50b99f576f

  • SHA1

    5ee0d64b3f79aaa8cd62aa05d99cacc812a15452

  • SHA256

    b78001c65caffc4ff2cf300a7b2c2924a00720b34a38e5d021d115dfa419cbd5

  • SHA512

    758479ad8368d7023c683e845f0fdccb8425867b53cd13050319d30608172ce09fdeee74008960df6b797090d5ee7e8b21460cb11e108e27638cdb9e51bf9727

  • SSDEEP

    12288:37dBa/mFiTEJ0+0OR8FCko7VOkILM/PgyiZc410j8y6Q6UTRPStxmVmiTPLR46qh:rbIHLG5iq4Ho6UTBStIwifR76Nt4J1q

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.

  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.ProformaInvoiceWellErgon16092023.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.ProformaInvoiceWellErgon16092023.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1160
    • 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\NEAS.ProformaInvoiceWellErgon16092023.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4136
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QxECmjgkn.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1744
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QxECmjgkn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6E36.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4256
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:2088
      • 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:2116
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2116 -s 1400
          3⤵
          • Program crash
          PID:2744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2116 -ip 2116
      1⤵
        PID:2772

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            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\ModuleAnalysisCache

              Filesize

              53KB

              MD5

              bc48f0feebe12348973004cefd5d19c9

              SHA1

              acddb1e5643dae7948acbaef127c644f32227e69

              SHA256

              2b85664d6e7782b5b5d30710397e3563b84aa76387a8e803518ed1af04cf0f01

              SHA512

              82bb596ec38ce43add1582d93f3373c435c1e73276a1f2045afeceaee4f4e8a7eb69bd4feefe799f7db45e8ea5dd6ebc2a95bac1787a0f35931a32f1291b3fd6

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qck253i4.obk.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • C:\Users\Admin\AppData\Local\Temp\tmp6E36.tmp

              Filesize

              1KB

              MD5

              aa92a8701c3f0e58941e5cb3573ccb88

              SHA1

              8906391b7028cefabe4517ce8f922d218f4288bf

              SHA256

              fb47718f1d9b93c44401a20dc066be7a71b3037677b4f4b761967f98a653cb7d

              SHA512

              75d3906f33d56e64e08992a8c5b440d58187e6ddbaaecbe1d772d5411f7f1e0a1c82a79a12aa274c389b0d6867c5ddd2313378a2c52ff49081b12a71a2ccbdbe

            • memory/1160-4-0x00000000054D0000-0x00000000054E0000-memory.dmp

              Filesize

              64KB

            • memory/1160-6-0x0000000005670000-0x000000000570C000-memory.dmp

              Filesize

              624KB

            • memory/1160-7-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/1160-8-0x00000000054D0000-0x00000000054E0000-memory.dmp

              Filesize

              64KB

            • memory/1160-9-0x0000000005810000-0x0000000005826000-memory.dmp

              Filesize

              88KB

            • memory/1160-10-0x0000000005840000-0x000000000584A000-memory.dmp

              Filesize

              40KB

            • memory/1160-11-0x0000000008430000-0x00000000084D6000-memory.dmp

              Filesize

              664KB

            • memory/1160-5-0x00000000053C0000-0x00000000053CA000-memory.dmp

              Filesize

              40KB

            • memory/1160-3-0x0000000005300000-0x0000000005392000-memory.dmp

              Filesize

              584KB

            • memory/1160-2-0x0000000005990000-0x0000000005F34000-memory.dmp

              Filesize

              5.6MB

            • memory/1160-0-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/1160-1-0x0000000000800000-0x0000000000922000-memory.dmp

              Filesize

              1.1MB

            • memory/1160-31-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/1744-55-0x000000007F0E0000-0x000000007F0F0000-memory.dmp

              Filesize

              64KB

            • memory/1744-59-0x0000000002F20000-0x0000000002F30000-memory.dmp

              Filesize

              64KB

            • memory/1744-22-0x0000000002F20000-0x0000000002F30000-memory.dmp

              Filesize

              64KB

            • memory/1744-25-0x00000000057E0000-0x0000000005802000-memory.dmp

              Filesize

              136KB

            • memory/1744-112-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/1744-64-0x0000000070440000-0x000000007048C000-memory.dmp

              Filesize

              304KB

            • memory/1744-18-0x0000000005950000-0x0000000005F78000-memory.dmp

              Filesize

              6.2MB

            • memory/1744-62-0x00000000063E0000-0x0000000006412000-memory.dmp

              Filesize

              200KB

            • memory/1744-20-0x0000000002F20000-0x0000000002F30000-memory.dmp

              Filesize

              64KB

            • memory/1744-99-0x0000000007CA0000-0x0000000007CAA000-memory.dmp

              Filesize

              40KB

            • memory/1744-50-0x0000000006510000-0x0000000006864000-memory.dmp

              Filesize

              3.3MB

            • memory/1744-51-0x0000000006920000-0x000000000693E000-memory.dmp

              Filesize

              120KB

            • memory/1744-97-0x0000000008280000-0x00000000088FA000-memory.dmp

              Filesize

              6.5MB

            • memory/1744-92-0x000000007F0E0000-0x000000007F0F0000-memory.dmp

              Filesize

              64KB

            • memory/1744-54-0x0000000002F20000-0x0000000002F30000-memory.dmp

              Filesize

              64KB

            • memory/1744-19-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/1744-91-0x0000000002F20000-0x0000000002F30000-memory.dmp

              Filesize

              64KB

            • memory/1744-61-0x0000000002F20000-0x0000000002F30000-memory.dmp

              Filesize

              64KB

            • memory/1744-58-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/1744-84-0x00000000063C0000-0x00000000063DE000-memory.dmp

              Filesize

              120KB

            • memory/2116-89-0x0000000005650000-0x0000000005660000-memory.dmp

              Filesize

              64KB

            • memory/2116-88-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/2116-30-0x0000000005650000-0x0000000005660000-memory.dmp

              Filesize

              64KB

            • memory/2116-102-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/2116-27-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/2116-24-0x0000000000400000-0x0000000000442000-memory.dmp

              Filesize

              264KB

            • memory/4136-65-0x0000000002CF0000-0x0000000002D00000-memory.dmp

              Filesize

              64KB

            • memory/4136-63-0x0000000070440000-0x000000007048C000-memory.dmp

              Filesize

              304KB

            • memory/4136-60-0x0000000002CF0000-0x0000000002D00000-memory.dmp

              Filesize

              64KB

            • memory/4136-57-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/4136-90-0x0000000002CF0000-0x0000000002D00000-memory.dmp

              Filesize

              64KB

            • memory/4136-56-0x000000007F800000-0x000000007F810000-memory.dmp

              Filesize

              64KB

            • memory/4136-53-0x0000000002CF0000-0x0000000002D00000-memory.dmp

              Filesize

              64KB

            • memory/4136-93-0x000000007F800000-0x000000007F810000-memory.dmp

              Filesize

              64KB

            • memory/4136-94-0x00000000075E0000-0x0000000007683000-memory.dmp

              Filesize

              652KB

            • memory/4136-17-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB

            • memory/4136-52-0x0000000006610000-0x000000000665C000-memory.dmp

              Filesize

              304KB

            • memory/4136-98-0x0000000007910000-0x000000000792A000-memory.dmp

              Filesize

              104KB

            • memory/4136-21-0x0000000002CF0000-0x0000000002D00000-memory.dmp

              Filesize

              64KB

            • memory/4136-100-0x0000000007B90000-0x0000000007C26000-memory.dmp

              Filesize

              600KB

            • memory/4136-101-0x0000000007B00000-0x0000000007B11000-memory.dmp

              Filesize

              68KB

            • memory/4136-29-0x00000000056C0000-0x0000000005726000-memory.dmp

              Filesize

              408KB

            • memory/4136-103-0x0000000007B80000-0x0000000007B8E000-memory.dmp

              Filesize

              56KB

            • memory/4136-104-0x0000000007C70000-0x0000000007C84000-memory.dmp

              Filesize

              80KB

            • memory/4136-105-0x0000000007CB0000-0x0000000007CCA000-memory.dmp

              Filesize

              104KB

            • memory/4136-106-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

              Filesize

              32KB

            • memory/4136-16-0x0000000002C60000-0x0000000002C96000-memory.dmp

              Filesize

              216KB

            • memory/4136-26-0x0000000005650000-0x00000000056B6000-memory.dmp

              Filesize

              408KB

            • memory/4136-111-0x0000000074780000-0x0000000074F30000-memory.dmp

              Filesize

              7.7MB