Analysis

  • max time kernel
    143s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-04-2024 12:55

General

  • Target

    Packing List PDF.exe

  • Size

    822KB

  • MD5

    5a12438b3b4c926c12a9376c7bf13426

  • SHA1

    c3185c6a5e5f07a5befbe4af7131d05634f5d1a3

  • SHA256

    1a794211deaa0ecb6abc6101d7c1bd61111b4dd2d895ee7ecf78fbf17f4c9ab3

  • SHA512

    16c1e0e18eb8b3345b8b05443b782cb1dd35492ac986811c39f3cdce8dfe85b003aba029ffca0e38aa33c951d0d08281825152b0e239471eac3de18ac67864d0

  • SSDEEP

    12288:tEqnHvjNIrpf9rN/mc/CaBmIwsyaPSIir97G6NLOZCGKEgbjuPBB5uO12rq:txPjKr5BNDWVxcSIiRG6atlB5N

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fascia-arch.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    HERbertstown1987

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4784
    • 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\Packing List PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:216
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CmxzrHBB.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2436
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61B3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1604
    • C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Packing List PDF.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3184
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:416

    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

      3d086a433708053f9bf9523e1d87a4e8

      SHA1

      b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

      SHA256

      6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

      SHA512

      931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

      Filesize

      18KB

      MD5

      aadbd00e67920164905d0e0fd8711e97

      SHA1

      f5eefdee0ca48523d37dd285a6911389fa112ad9

      SHA256

      8ef216c1db15643cfd6f194cee7807be379cfe57267730627d90d703d14c1402

      SHA512

      1c74f6556b14419d93c0c1b01c9c5e9f2dfeb0d502aba8e75d5ce7c1bdaca82e6d4ae397181936cb495ef1a0a04b215863a79a00d2a7fc359b25e88f3bcd2597

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_43bafajy.5dw.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp61B3.tmp

      Filesize

      1KB

      MD5

      0e73d2dca6013b786d3f4488abcd0281

      SHA1

      dfb14305fd7c8ed55a1043badb48ceacaa9f46e8

      SHA256

      b3684748e5f6c389e9c628ba64d433917b5d787ff685c9970f0a83a4dde758fb

      SHA512

      a0c899956758cb7238fdd878f21a93ea2c2ac7da8b900e84c0a4bbba8a960f4d85c90d4ecdb215f5c14c024c840fcb71c8c41c8a8e7f159d9082750085a02241

    • memory/216-33-0x00000000061B0000-0x0000000006216000-memory.dmp

      Filesize

      408KB

    • memory/216-80-0x0000000007E60000-0x0000000007EF6000-memory.dmp

      Filesize

      600KB

    • memory/216-92-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/216-64-0x0000000071300000-0x000000007134C000-memory.dmp

      Filesize

      304KB

    • memory/216-85-0x0000000007F00000-0x0000000007F08000-memory.dmp

      Filesize

      32KB

    • memory/216-84-0x0000000007F20000-0x0000000007F3A000-memory.dmp

      Filesize

      104KB

    • memory/216-83-0x0000000007E20000-0x0000000007E34000-memory.dmp

      Filesize

      80KB

    • memory/216-15-0x0000000002EF0000-0x0000000002F26000-memory.dmp

      Filesize

      216KB

    • memory/216-18-0x0000000002F50000-0x0000000002F60000-memory.dmp

      Filesize

      64KB

    • memory/216-17-0x0000000002F50000-0x0000000002F60000-memory.dmp

      Filesize

      64KB

    • memory/216-16-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/216-19-0x0000000005990000-0x0000000005FB8000-memory.dmp

      Filesize

      6.2MB

    • memory/216-78-0x0000000007C60000-0x0000000007C6A000-memory.dmp

      Filesize

      40KB

    • memory/2436-22-0x0000000002B90000-0x0000000002BA0000-memory.dmp

      Filesize

      64KB

    • memory/2436-77-0x00000000078B0000-0x00000000078CA000-memory.dmp

      Filesize

      104KB

    • memory/2436-74-0x0000000007800000-0x00000000078A3000-memory.dmp

      Filesize

      652KB

    • memory/2436-81-0x0000000007AA0000-0x0000000007AB1000-memory.dmp

      Filesize

      68KB

    • memory/2436-50-0x00000000064D0000-0x00000000064EE000-memory.dmp

      Filesize

      120KB

    • memory/2436-26-0x0000000005510000-0x0000000005532000-memory.dmp

      Filesize

      136KB

    • memory/2436-39-0x0000000005EC0000-0x0000000005F26000-memory.dmp

      Filesize

      408KB

    • memory/2436-21-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/2436-82-0x0000000007AD0000-0x0000000007ADE000-memory.dmp

      Filesize

      56KB

    • memory/2436-23-0x0000000002B90000-0x0000000002BA0000-memory.dmp

      Filesize

      64KB

    • memory/2436-91-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/2436-76-0x0000000007F30000-0x00000000085AA000-memory.dmp

      Filesize

      6.5MB

    • memory/2436-51-0x0000000006610000-0x000000000665C000-memory.dmp

      Filesize

      304KB

    • memory/2436-52-0x0000000006BB0000-0x0000000006BE2000-memory.dmp

      Filesize

      200KB

    • memory/2436-53-0x0000000071300000-0x000000007134C000-memory.dmp

      Filesize

      304KB

    • memory/2436-63-0x0000000006B30000-0x0000000006B4E000-memory.dmp

      Filesize

      120KB

    • memory/2436-49-0x0000000005F30000-0x0000000006284000-memory.dmp

      Filesize

      3.3MB

    • memory/3184-79-0x0000000006FD0000-0x0000000007020000-memory.dmp

      Filesize

      320KB

    • memory/3184-25-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4784-7-0x0000000006C90000-0x0000000006CA4000-memory.dmp

      Filesize

      80KB

    • memory/4784-3-0x0000000005380000-0x0000000005412000-memory.dmp

      Filesize

      584KB

    • memory/4784-5-0x0000000005300000-0x000000000530A000-memory.dmp

      Filesize

      40KB

    • memory/4784-0-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-4-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/4784-20-0x0000000005370000-0x0000000005380000-memory.dmp

      Filesize

      64KB

    • memory/4784-14-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-9-0x000000000C6C0000-0x000000000C75C000-memory.dmp

      Filesize

      624KB

    • memory/4784-8-0x00000000095A0000-0x0000000009624000-memory.dmp

      Filesize

      528KB

    • memory/4784-2-0x0000000005890000-0x0000000005E34000-memory.dmp

      Filesize

      5.6MB

    • memory/4784-1-0x0000000000870000-0x0000000000944000-memory.dmp

      Filesize

      848KB

    • memory/4784-40-0x0000000074ED0000-0x0000000075680000-memory.dmp

      Filesize

      7.7MB

    • memory/4784-6-0x00000000055A0000-0x00000000055C0000-memory.dmp

      Filesize

      128KB