Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 13:08

General

  • Target

    Invoice and receipt.exe

  • Size

    727KB

  • MD5

    b4b32117b40b70fb1bfeab298ba44557

  • SHA1

    a74707a387129c37ce14a7ebacd053a8864e2e7d

  • SHA256

    6dd5d1309948dac371cf1cc1083f758ea313161d8658d9d3842e3f908bd280d5

  • SHA512

    dbd3f35c3c6b3ebe18276672a607475d0a8a9999b1e666256a7dac3994367c35887109ba8e1106ea04eb2574d387ce9e198d7d2ac0b33fa85865850fad507906

  • SSDEEP

    12288:61ta/jCVo69W+WkpmDodcb1NrOvPA/cxSgDXwJWTrDVylYtnh:g8/jCa69DpOodcbnrOw0ZwJWTrpUYL

Malware Config

Signatures

  • Detect Neshta payload 6 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice and receipt.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice and receipt.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1660
    • 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\Invoice and receipt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PKgJBVbBBXr.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1936
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PKgJBVbBBXr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFF7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3308
    • C:\Users\Admin\AppData\Local\Temp\Invoice and receipt.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice and receipt.exe"
      2⤵
      • Checks computer location settings
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      PID:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROBR~1.EXE

    Filesize

    328KB

    MD5

    aae23b4002755be35da73d5aa597bdc5

    SHA1

    93e3bb7907649f0db55fb5ba50586ff73095de6c

    SHA256

    f78a9f80d2009989ba1a18efe735164654990e82347e506060d23923635cede8

    SHA512

    01238e816d4084d61387e599a2d838371c496cc068e4228a60b2723837b27a16746870e38e1ea0770f211f19a6209b0ca33b493dcdc244ca65ccd4a4d10f93ce

  • 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

    ac0601449f945fbbe46be72ba77b6b26

    SHA1

    eb573788c1a36970cc2beb6a1859725da9364cf2

    SHA256

    db0273c2ee659047e7f7b952d356cf5ec21f7ac55db276dea102acf3862f107a

    SHA512

    5c82a1dd4a95ce81e59f4e7619e6817ef4b53c6d2bf70e58bf92fdc4ac285a34b89877d42d9a7c5e6a72eea0c510adf8028184bc92af7d6959b4fd407ba05b8e

  • C:\Users\Admin\AppData\Local\Temp\3582-490\Invoice and receipt.exe

    Filesize

    686KB

    MD5

    3fa00cbe354dd01d622f28366fce6d25

    SHA1

    6657afd146e6f5cf936e1241a37b7003b144c8b8

    SHA256

    7778a8371c01ac5d13f4d79626d081c6df59600701371ff168ee50bf7cf318a0

    SHA512

    149098235d0e573b65846074e5ef44ef230d368497eb9abc546e5a0c37bb7670c6f48531b31ee6d33a4d9e200bfb8c467b0d68f7bb2b2ae0c2e2e51eadbc5b5a

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_naue4urx.cj3.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpAFF7.tmp

    Filesize

    1KB

    MD5

    cbf294162f7dfd689ee2a5bb57046cb6

    SHA1

    b075da25e1b7a13d2f977af9bae2393665d2a4b9

    SHA256

    d1c9a5e15fefae410de80a5aa41a1fe9c7a65cd6d37d49b6ce718c005f0d1bf7

    SHA512

    bea49f44376f57d9632b24c456196ec6a261605d2f0c5d6b82c84f4529de820be3af1803cfbb0232b076caa8812024fc2a0f704e5536720751449621ccc2f7b2

  • C:\Users\Admin\AppData\Roaming\PKGJBV~1.EXE

    Filesize

    727KB

    MD5

    b4b32117b40b70fb1bfeab298ba44557

    SHA1

    a74707a387129c37ce14a7ebacd053a8864e2e7d

    SHA256

    6dd5d1309948dac371cf1cc1083f758ea313161d8658d9d3842e3f908bd280d5

    SHA512

    dbd3f35c3c6b3ebe18276672a607475d0a8a9999b1e666256a7dac3994367c35887109ba8e1106ea04eb2574d387ce9e198d7d2ac0b33fa85865850fad507906

  • memory/1440-41-0x0000000006380000-0x00000000063E6000-memory.dmp

    Filesize

    408KB

  • memory/1440-20-0x0000000005BE0000-0x0000000006208000-memory.dmp

    Filesize

    6.2MB

  • memory/1440-70-0x00000000078B0000-0x00000000078E2000-memory.dmp

    Filesize

    200KB

  • memory/1440-68-0x00000000055A0000-0x00000000055B0000-memory.dmp

    Filesize

    64KB

  • memory/1440-71-0x00000000706A0000-0x00000000706EC000-memory.dmp

    Filesize

    304KB

  • memory/1440-17-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-16-0x0000000002FB0000-0x0000000002FE6000-memory.dmp

    Filesize

    216KB

  • memory/1440-18-0x00000000055A0000-0x00000000055B0000-memory.dmp

    Filesize

    64KB

  • memory/1440-19-0x00000000055A0000-0x00000000055B0000-memory.dmp

    Filesize

    64KB

  • memory/1440-29-0x0000000005A20000-0x0000000005A42000-memory.dmp

    Filesize

    136KB

  • memory/1440-66-0x00000000069C0000-0x0000000006A0C000-memory.dmp

    Filesize

    304KB

  • memory/1440-82-0x0000000007890000-0x00000000078AE000-memory.dmp

    Filesize

    120KB

  • memory/1440-165-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-93-0x0000000008270000-0x00000000088EA000-memory.dmp

    Filesize

    6.5MB

  • memory/1440-43-0x0000000006500000-0x0000000006566000-memory.dmp

    Filesize

    408KB

  • memory/1440-69-0x000000007F030000-0x000000007F040000-memory.dmp

    Filesize

    64KB

  • memory/1440-148-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-24-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-6-0x0000000006A70000-0x0000000006B18000-memory.dmp

    Filesize

    672KB

  • memory/1660-3-0x0000000005850000-0x00000000058E2000-memory.dmp

    Filesize

    584KB

  • memory/1660-4-0x0000000005A60000-0x0000000005A70000-memory.dmp

    Filesize

    64KB

  • memory/1660-45-0x0000000005A60000-0x0000000005A70000-memory.dmp

    Filesize

    64KB

  • memory/1660-44-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-8-0x0000000005AB0000-0x0000000005AB8000-memory.dmp

    Filesize

    32KB

  • memory/1660-0-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1660-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

    Filesize

    5.6MB

  • memory/1660-5-0x0000000005800000-0x000000000580A000-memory.dmp

    Filesize

    40KB

  • memory/1660-1-0x0000000000D90000-0x0000000000E4A000-memory.dmp

    Filesize

    744KB

  • memory/1660-7-0x0000000005A50000-0x0000000005A62000-memory.dmp

    Filesize

    72KB

  • memory/1660-11-0x0000000009330000-0x00000000093CC000-memory.dmp

    Filesize

    624KB

  • memory/1660-10-0x0000000006BB0000-0x0000000006C3C000-memory.dmp

    Filesize

    560KB

  • memory/1660-9-0x0000000005AC0000-0x0000000005ACC000-memory.dmp

    Filesize

    48KB

  • memory/1696-26-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1696-42-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1696-200-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1696-198-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1696-27-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1696-35-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1936-94-0x0000000007660000-0x000000000767A000-memory.dmp

    Filesize

    104KB

  • memory/1936-55-0x0000000005D10000-0x0000000006064000-memory.dmp

    Filesize

    3.3MB

  • memory/1936-96-0x00000000078E0000-0x0000000007976000-memory.dmp

    Filesize

    600KB

  • memory/1936-97-0x0000000007860000-0x0000000007871000-memory.dmp

    Filesize

    68KB

  • memory/1936-72-0x00000000706A0000-0x00000000706EC000-memory.dmp

    Filesize

    304KB

  • memory/1936-112-0x0000000007890000-0x000000000789E000-memory.dmp

    Filesize

    56KB

  • memory/1936-113-0x00000000078A0000-0x00000000078B4000-memory.dmp

    Filesize

    80KB

  • memory/1936-114-0x00000000079A0000-0x00000000079BA000-memory.dmp

    Filesize

    104KB

  • memory/1936-115-0x0000000007980000-0x0000000007988000-memory.dmp

    Filesize

    32KB

  • memory/1936-95-0x00000000076D0000-0x00000000076DA000-memory.dmp

    Filesize

    40KB

  • memory/1936-92-0x0000000007530000-0x00000000075D3000-memory.dmp

    Filesize

    652KB

  • memory/1936-25-0x0000000004DF0000-0x0000000004E00000-memory.dmp

    Filesize

    64KB

  • memory/1936-161-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-23-0x0000000004DF0000-0x0000000004E00000-memory.dmp

    Filesize

    64KB

  • memory/1936-22-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1936-62-0x0000000006330000-0x000000000634E000-memory.dmp

    Filesize

    120KB

  • memory/1936-67-0x0000000004DF0000-0x0000000004E00000-memory.dmp

    Filesize

    64KB