Analysis

  • max time kernel
    143s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2023 16:12

General

  • Target

    Swift Copy for US$ 17073.36.exe

  • Size

    928KB

  • MD5

    6bce4b81445b12ba2669ce0f19f43aa0

  • SHA1

    01bdba6daa6da8d966f004afe104ae871a9155c8

  • SHA256

    888879dc6984765022bbe60559d28cf3bd550f641f2034f11a10052acc7240ad

  • SHA512

    5a5cdda166af5f2fbfa579b297d3790354e61536cc47e5e4c2a24e4d1c60a65e48823c28d67ebdf1995e6d6cd780ef4b0b622857dfdbfb3ddee41238a232c275

  • SSDEEP

    12288:w7lxIyzucL5ZRNmiVs2ON3vd12RaRm+n4j4C41eElP7r9r/+pppppppppppppppX:w7lNlx/V0hd12R44g1e81q

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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift Copy for US$ 17073.36.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift Copy for US$ 17073.36.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4804
    • 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\Swift Copy for US$ 17073.36.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZSkOAuTLFh.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZSkOAuTLFh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE35B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2748
    • 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:3096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 1384
        3⤵
        • Program crash
        PID:5008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3096 -ip 3096
    1⤵
      PID:4636

    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

      dd501c0bf05c4f96bb0d7d57a0b93c08

      SHA1

      7a8a456c7eaeda4e5c0bc79a622974480c8bb025

      SHA256

      20d6a1de5d82c3e62dddc336d8820b40315af283814dbad036890546c3aafa18

      SHA512

      873612cceec563fa17f4fd6edacf49c5852819952baeda491523a9ba6bb66e0551cea43a877f78c181f0bb27bccc9fd43d8c1f50b0c0630175cadd2ce4ecaf48

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nelniqtd.syj.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpE35B.tmp

      Filesize

      1KB

      MD5

      4fb21c687ebbbc5d8f4bc8f854654b3c

      SHA1

      f90955de8e0d9d17ca9e21c8a877b87a31cff0ff

      SHA256

      324d14035a85a796cbe7a3544ad7a2e210f61e8b9b3072b1267da2ce2322d3ad

      SHA512

      6b51cd8e29357636e5dc8c19a13ef5bf02fa8d68a08a6005b5933eb37ec13c9d13809ee076bd2418269b15a2bc808fdeabf965ccc89d08b97ea93d501082766a

    • memory/2940-83-0x0000000007B00000-0x000000000817A000-memory.dmp

      Filesize

      6.5MB

    • memory/2940-19-0x00000000029A0000-0x00000000029B0000-memory.dmp

      Filesize

      64KB

    • memory/2940-29-0x0000000005B60000-0x0000000005BC6000-memory.dmp

      Filesize

      408KB

    • memory/2940-70-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2940-71-0x0000000007380000-0x0000000007423000-memory.dmp

      Filesize

      652KB

    • memory/2940-69-0x0000000006760000-0x000000000677E000-memory.dmp

      Filesize

      120KB

    • memory/2940-59-0x0000000071A00000-0x0000000071A4C000-memory.dmp

      Filesize

      304KB

    • memory/2940-58-0x0000000006780000-0x00000000067B2000-memory.dmp

      Filesize

      200KB

    • memory/2940-17-0x0000000002890000-0x00000000028C6000-memory.dmp

      Filesize

      216KB

    • memory/2940-57-0x000000007EF90000-0x000000007EFA0000-memory.dmp

      Filesize

      64KB

    • memory/2940-18-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2940-89-0x0000000007700000-0x0000000007714000-memory.dmp

      Filesize

      80KB

    • memory/2940-20-0x00000000029A0000-0x00000000029B0000-memory.dmp

      Filesize

      64KB

    • memory/2940-21-0x0000000005350000-0x0000000005978000-memory.dmp

      Filesize

      6.2MB

    • memory/2940-97-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/2940-55-0x00000000029A0000-0x00000000029B0000-memory.dmp

      Filesize

      64KB

    • memory/2940-54-0x0000000006200000-0x000000000624C000-memory.dmp

      Filesize

      304KB

    • memory/2940-48-0x0000000005BD0000-0x0000000005F24000-memory.dmp

      Filesize

      3.3MB

    • memory/2940-27-0x00000000059F0000-0x0000000005A56000-memory.dmp

      Filesize

      408KB

    • memory/3096-28-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/3096-99-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/3096-52-0x0000000005350000-0x0000000005360000-memory.dmp

      Filesize

      64KB

    • memory/3096-50-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4804-51-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4804-5-0x0000000005200000-0x000000000520A000-memory.dmp

      Filesize

      40KB

    • memory/4804-0-0x0000000000680000-0x000000000076E000-memory.dmp

      Filesize

      952KB

    • memory/4804-2-0x0000000005800000-0x0000000005DA4000-memory.dmp

      Filesize

      5.6MB

    • memory/4804-3-0x0000000005150000-0x00000000051E2000-memory.dmp

      Filesize

      584KB

    • memory/4804-4-0x0000000005430000-0x0000000005440000-memory.dmp

      Filesize

      64KB

    • memory/4804-1-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4804-6-0x0000000005440000-0x00000000054DC000-memory.dmp

      Filesize

      624KB

    • memory/4804-16-0x0000000005430000-0x0000000005440000-memory.dmp

      Filesize

      64KB

    • memory/4804-11-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4804-10-0x0000000006750000-0x00000000067CC000-memory.dmp

      Filesize

      496KB

    • memory/4804-9-0x0000000005410000-0x000000000541A000-memory.dmp

      Filesize

      40KB

    • memory/4804-8-0x00000000052F0000-0x00000000052F8000-memory.dmp

      Filesize

      32KB

    • memory/4804-7-0x00000000052E0000-0x00000000052F6000-memory.dmp

      Filesize

      88KB

    • memory/4992-22-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-87-0x0000000007D50000-0x0000000007D61000-memory.dmp

      Filesize

      68KB

    • memory/4992-56-0x0000000002F00000-0x0000000002F10000-memory.dmp

      Filesize

      64KB

    • memory/4992-84-0x0000000007B50000-0x0000000007B6A000-memory.dmp

      Filesize

      104KB

    • memory/4992-72-0x0000000071A00000-0x0000000071A4C000-memory.dmp

      Filesize

      304KB

    • memory/4992-86-0x0000000007DD0000-0x0000000007E66000-memory.dmp

      Filesize

      600KB

    • memory/4992-73-0x000000007F620000-0x000000007F630000-memory.dmp

      Filesize

      64KB

    • memory/4992-88-0x0000000007D80000-0x0000000007D8E000-memory.dmp

      Filesize

      56KB

    • memory/4992-85-0x0000000007BD0000-0x0000000007BDA000-memory.dmp

      Filesize

      40KB

    • memory/4992-90-0x0000000007E90000-0x0000000007EAA000-memory.dmp

      Filesize

      104KB

    • memory/4992-91-0x0000000007E70000-0x0000000007E78000-memory.dmp

      Filesize

      32KB

    • memory/4992-24-0x0000000002F00000-0x0000000002F10000-memory.dmp

      Filesize

      64KB

    • memory/4992-53-0x0000000006840000-0x000000000685E000-memory.dmp

      Filesize

      120KB

    • memory/4992-25-0x0000000002F00000-0x0000000002F10000-memory.dmp

      Filesize

      64KB

    • memory/4992-98-0x0000000075330000-0x0000000075AE0000-memory.dmp

      Filesize

      7.7MB

    • memory/4992-26-0x00000000059E0000-0x0000000005A02000-memory.dmp

      Filesize

      136KB