Analysis

  • max time kernel
    142s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 01:16

General

  • Target

    Total Invoices.exe

  • Size

    789KB

  • MD5

    cd3c05ebb9a3fca7aa748f522559b1ea

  • SHA1

    43dc8cdf47186a54dc38cd86450aca6f6361a9b4

  • SHA256

    c96565623c3e405a370614f452383a763f5a48baf25e79f91a6311c9a0a8fd3a

  • SHA512

    5d11d8dbec417ed7c8bd9f2b49925c01440b4d517cff1190d411e832528550f0e6645c7005dbd0953aafb82ba7d25977351f0ad5aba5736bd62140a3d0cc2e6a

  • SSDEEP

    24576:7ldr5ja9fm5r+jrZf1vsAJ2jN5GFhXuv:7lbjH5srZtvXouj

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Total Invoices.exe
    "C:\Users\Admin\AppData\Local\Temp\Total Invoices.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4720
    • 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\Total Invoices.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4976
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dWXyZYb.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dWXyZYb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7119.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:528
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2564

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    18KB

    MD5

    f9bebeed77f0c882df834b26a76f315b

    SHA1

    870510fc07218c3270ce829d8b21fe5bfe257981

    SHA256

    48832f602b7273ccaa1efbc365bdee1b63c98db3ffd3421874f1b176d94281f2

    SHA512

    cb3c2027b506d2abd6c5e2e15c3154a3d8fa8b7042db2f3b2b4a313565b78337b378cd999861c3a71b0f1969ad4a948ac495f030ea41127478baa6f928a3bf64

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kbgvna4y.vfl.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp7119.tmp
    Filesize

    1KB

    MD5

    ec44556402e392ef4bffc4e0077ad36f

    SHA1

    7bc79c502af783869dc59313ac9c5d5e6c87ae23

    SHA256

    53c78cb0f77376547865aa668580b2d9b8183f9c4b169a0f13cf2916b8c0ecfe

    SHA512

    44cf928c905f8f84c8e0c0cc7448c59ba5022467a62d96a22fce2d5913c50f670919eacf39e597402e2db321d21b9934d55405dc61f0d45300645ee01df5fdc7

  • memory/2564-99-0x0000000004E00000-0x0000000004E10000-memory.dmp
    Filesize

    64KB

  • memory/2564-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2564-30-0x0000000004E80000-0x0000000004EE6000-memory.dmp
    Filesize

    408KB

  • memory/2564-28-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/2564-96-0x0000000005DB0000-0x0000000005E00000-memory.dmp
    Filesize

    320KB

  • memory/2564-98-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/3936-23-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/3936-46-0x0000000005B10000-0x0000000005B76000-memory.dmp
    Filesize

    408KB

  • memory/3936-69-0x00000000027F0000-0x0000000002800000-memory.dmp
    Filesize

    64KB

  • memory/3936-80-0x0000000007A40000-0x00000000080BA000-memory.dmp
    Filesize

    6.5MB

  • memory/3936-88-0x0000000007740000-0x000000000775A000-memory.dmp
    Filesize

    104KB

  • memory/3936-56-0x0000000070D10000-0x0000000070D5C000-memory.dmp
    Filesize

    304KB

  • memory/3936-57-0x000000007F1D0000-0x000000007F1E0000-memory.dmp
    Filesize

    64KB

  • memory/3936-89-0x0000000007720000-0x0000000007728000-memory.dmp
    Filesize

    32KB

  • memory/3936-68-0x0000000007240000-0x000000000725E000-memory.dmp
    Filesize

    120KB

  • memory/3936-24-0x00000000027F0000-0x0000000002800000-memory.dmp
    Filesize

    64KB

  • memory/3936-25-0x00000000027F0000-0x0000000002800000-memory.dmp
    Filesize

    64KB

  • memory/3936-53-0x0000000006180000-0x00000000061CC000-memory.dmp
    Filesize

    304KB

  • memory/3936-52-0x00000000060D0000-0x00000000060EE000-memory.dmp
    Filesize

    120KB

  • memory/3936-92-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/4720-6-0x0000000005560000-0x0000000005578000-memory.dmp
    Filesize

    96KB

  • memory/4720-29-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/4720-2-0x00000000059D0000-0x0000000005F74000-memory.dmp
    Filesize

    5.6MB

  • memory/4720-0-0x0000000000940000-0x0000000000A0C000-memory.dmp
    Filesize

    816KB

  • memory/4720-27-0x0000000005590000-0x00000000055A0000-memory.dmp
    Filesize

    64KB

  • memory/4720-4-0x0000000005590000-0x00000000055A0000-memory.dmp
    Filesize

    64KB

  • memory/4720-5-0x0000000005400000-0x000000000540A000-memory.dmp
    Filesize

    40KB

  • memory/4720-3-0x0000000005420000-0x00000000054B2000-memory.dmp
    Filesize

    584KB

  • memory/4720-10-0x000000000BE10000-0x000000000BEAC000-memory.dmp
    Filesize

    624KB

  • memory/4720-21-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/4720-7-0x0000000005620000-0x000000000562E000-memory.dmp
    Filesize

    56KB

  • memory/4720-1-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/4720-8-0x0000000005640000-0x0000000005654000-memory.dmp
    Filesize

    80KB

  • memory/4720-9-0x0000000002D50000-0x0000000002DD4000-memory.dmp
    Filesize

    528KB

  • memory/4976-17-0x0000000002780000-0x0000000002790000-memory.dmp
    Filesize

    64KB

  • memory/4976-79-0x00000000072B0000-0x0000000007353000-memory.dmp
    Filesize

    652KB

  • memory/4976-55-0x0000000007270000-0x00000000072A2000-memory.dmp
    Filesize

    200KB

  • memory/4976-81-0x0000000007410000-0x000000000742A000-memory.dmp
    Filesize

    104KB

  • memory/4976-82-0x0000000007480000-0x000000000748A000-memory.dmp
    Filesize

    40KB

  • memory/4976-84-0x0000000007690000-0x0000000007726000-memory.dmp
    Filesize

    600KB

  • memory/4976-85-0x0000000007610000-0x0000000007621000-memory.dmp
    Filesize

    68KB

  • memory/4976-86-0x0000000007640000-0x000000000764E000-memory.dmp
    Filesize

    56KB

  • memory/4976-87-0x0000000007650000-0x0000000007664000-memory.dmp
    Filesize

    80KB

  • memory/4976-58-0x0000000070D10000-0x0000000070D5C000-memory.dmp
    Filesize

    304KB

  • memory/4976-54-0x000000007F160000-0x000000007F170000-memory.dmp
    Filesize

    64KB

  • memory/4976-51-0x0000000005CC0000-0x0000000006014000-memory.dmp
    Filesize

    3.3MB

  • memory/4976-31-0x0000000005850000-0x0000000005872000-memory.dmp
    Filesize

    136KB

  • memory/4976-19-0x00000000051C0000-0x00000000057E8000-memory.dmp
    Filesize

    6.2MB

  • memory/4976-18-0x0000000002780000-0x0000000002790000-memory.dmp
    Filesize

    64KB

  • memory/4976-97-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/4976-16-0x0000000074FE0000-0x0000000075790000-memory.dmp
    Filesize

    7.7MB

  • memory/4976-15-0x0000000004B50000-0x0000000004B86000-memory.dmp
    Filesize

    216KB