Analysis

  • max time kernel
    116s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-04-2024 01:46

General

  • Target

    f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72.exe

  • Size

    822KB

  • MD5

    999e747ee26c9101883117b8a88d6a9c

  • SHA1

    c9fea49b73ec4f6047c5f556118b3e43ad64f9e6

  • SHA256

    f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72

  • SHA512

    730422262592049ac717501a94cf64bbde23d4a11df04aa26acd2c58170c3c161e9f24733f725455e76b9b4c9d71a5be4156869aebc6bd77ee3e46d1d44a864e

  • SSDEEP

    24576:UZmKWd7a44E29ZuF3jGiSxSmPIB/lofv7H5QVe6e:UZg7a4rw2G55QBc7oe6

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dKjVwpK4 dKjVwpK4 dKjVwpK4

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.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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
  • 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72.exe
    "C:\Users\Admin\AppData\Local\Temp\f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • 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\f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2252
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vuqfbERH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4032
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vuqfbERH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp692A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3204
    • C:\Users\Admin\AppData\Local\Temp\f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72.exe
      "C:\Users\Admin\AppData\Local\Temp\f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4460

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\Temp\__PSScriptPolicyTest_qne1z2nq.0im.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp692A.tmp

    Filesize

    1KB

    MD5

    303a085b33405101c0a1c1a670d09651

    SHA1

    df555e8412ccf0e6cb630830058a1125ff99eedf

    SHA256

    6a30924dee25dd74b3edddb218c85efbd23b6b65fef71cf339b34c400a76a1c8

    SHA512

    20804979c2cac5d04fa024ba8439ebcc4f46d91ae6e3d41a00dbdeb38caa478c96390bb8cd8ff62c2d46093dbaf1df31ba4f05b7e4c133eb076232c3d5aa6ff5

  • memory/2252-14-0x00000000051B0000-0x00000000051E6000-memory.dmp

    Filesize

    216KB

  • memory/2252-17-0x00000000051A0000-0x00000000051B0000-memory.dmp

    Filesize

    64KB

  • memory/2252-51-0x00000000731D0000-0x000000007321C000-memory.dmp

    Filesize

    304KB

  • memory/2252-49-0x0000000006D40000-0x0000000006D8C000-memory.dmp

    Filesize

    304KB

  • memory/2252-48-0x0000000006740000-0x000000000675E000-memory.dmp

    Filesize

    120KB

  • memory/2252-73-0x00000000080F0000-0x000000000876A000-memory.dmp

    Filesize

    6.5MB

  • memory/2252-19-0x0000000005760000-0x0000000005782000-memory.dmp

    Filesize

    136KB

  • memory/2252-75-0x0000000007AD0000-0x0000000007ADA000-memory.dmp

    Filesize

    40KB

  • memory/2252-15-0x0000000005820000-0x0000000005E48000-memory.dmp

    Filesize

    6.2MB

  • memory/2252-76-0x0000000007CE0000-0x0000000007D76000-memory.dmp

    Filesize

    600KB

  • memory/2252-18-0x00000000051A0000-0x00000000051B0000-memory.dmp

    Filesize

    64KB

  • memory/2252-16-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/2252-20-0x0000000005EC0000-0x0000000005F26000-memory.dmp

    Filesize

    408KB

  • memory/2252-71-0x0000000006C80000-0x0000000006C9E000-memory.dmp

    Filesize

    120KB

  • memory/2252-21-0x0000000005FE0000-0x0000000006046000-memory.dmp

    Filesize

    408KB

  • memory/2252-85-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/2252-35-0x0000000006150000-0x00000000064A4000-memory.dmp

    Filesize

    3.3MB

  • memory/2252-72-0x00000000079C0000-0x0000000007A63000-memory.dmp

    Filesize

    652KB

  • memory/2252-77-0x0000000007C60000-0x0000000007C71000-memory.dmp

    Filesize

    68KB

  • memory/3028-8-0x0000000007870000-0x0000000007884000-memory.dmp

    Filesize

    80KB

  • memory/3028-0-0x00000000002B0000-0x0000000000382000-memory.dmp

    Filesize

    840KB

  • memory/3028-47-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/3028-9-0x0000000004FD0000-0x0000000005052000-memory.dmp

    Filesize

    520KB

  • memory/3028-7-0x0000000007840000-0x0000000007860000-memory.dmp

    Filesize

    128KB

  • memory/3028-6-0x00000000087B0000-0x000000000884C000-memory.dmp

    Filesize

    624KB

  • memory/3028-5-0x0000000004660000-0x000000000466A000-memory.dmp

    Filesize

    40KB

  • memory/3028-4-0x0000000007490000-0x0000000007522000-memory.dmp

    Filesize

    584KB

  • memory/3028-3-0x0000000007960000-0x0000000007F04000-memory.dmp

    Filesize

    5.6MB

  • memory/3028-2-0x00000000071A0000-0x00000000071B0000-memory.dmp

    Filesize

    64KB

  • memory/3028-1-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-33-0x00000000054A0000-0x00000000054B0000-memory.dmp

    Filesize

    64KB

  • memory/4032-74-0x0000000007B50000-0x0000000007B6A000-memory.dmp

    Filesize

    104KB

  • memory/4032-52-0x00000000731D0000-0x000000007321C000-memory.dmp

    Filesize

    304KB

  • memory/4032-50-0x00000000077B0000-0x00000000077E2000-memory.dmp

    Filesize

    200KB

  • memory/4032-34-0x00000000054A0000-0x00000000054B0000-memory.dmp

    Filesize

    64KB

  • memory/4032-78-0x0000000007D80000-0x0000000007D8E000-memory.dmp

    Filesize

    56KB

  • memory/4032-79-0x0000000007D90000-0x0000000007DA4000-memory.dmp

    Filesize

    80KB

  • memory/4032-80-0x0000000007E90000-0x0000000007EAA000-memory.dmp

    Filesize

    104KB

  • memory/4032-81-0x0000000007E70000-0x0000000007E78000-memory.dmp

    Filesize

    32KB

  • memory/4032-86-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/4032-28-0x0000000075390000-0x0000000075B40000-memory.dmp

    Filesize

    7.7MB

  • memory/4460-36-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4460-87-0x0000000006390000-0x00000000063E0000-memory.dmp

    Filesize

    320KB