Analysis

  • max time kernel
    145s
  • max time network
    157s
  • 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 12:46

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:3868
    • 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:2428
    • 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:2988
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CmxzrHBB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8047.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3052
    • 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:1268
  • 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=1040 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4408

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Scheduled Task/Job

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      18KB

      MD5

      99add4d3aec88a03bcaaab3db53cbda7

      SHA1

      d23bdf5b9ce380964ec00d66dfcc6e93a32124d0

      SHA256

      b3a4484a9c809ca40c34041f8cccf4e1ac078d5d83f37a15644f035bd54189e4

      SHA512

      9c73ec231b2168d3f389dc67b5a384d86960e51c5afdad486f205245e8a521d396033912687a70201cbacc0470802ef225e652e7e0398d4abc242eda4bbfdd7b

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s01l3053.lrh.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8047.tmp
      Filesize

      1KB

      MD5

      0e73d2dca6013b786d3f4488abcd0281

      SHA1

      dfb14305fd7c8ed55a1043badb48ceacaa9f46e8

      SHA256

      b3684748e5f6c389e9c628ba64d433917b5d787ff685c9970f0a83a4dde758fb

      SHA512

      a0c899956758cb7238fdd878f21a93ea2c2ac7da8b900e84c0a4bbba8a960f4d85c90d4ecdb215f5c14c024c840fcb71c8c41c8a8e7f159d9082750085a02241

    • memory/1268-80-0x0000000006CA0000-0x0000000006CF0000-memory.dmp
      Filesize

      320KB

    • memory/1268-45-0x0000000000400000-0x0000000000442000-memory.dmp
      Filesize

      264KB

    • memory/2428-74-0x00000000055A0000-0x00000000055BA000-memory.dmp
      Filesize

      104KB

    • memory/2428-76-0x0000000007E00000-0x0000000007E96000-memory.dmp
      Filesize

      600KB

    • memory/2428-90-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/2428-84-0x0000000007EA0000-0x0000000007EA8000-memory.dmp
      Filesize

      32KB

    • memory/2428-82-0x0000000007EC0000-0x0000000007EDA000-memory.dmp
      Filesize

      104KB

    • memory/2428-79-0x0000000007DB0000-0x0000000007DBE000-memory.dmp
      Filesize

      56KB

    • memory/2428-15-0x00000000052A0000-0x00000000052D6000-memory.dmp
      Filesize

      216KB

    • memory/2428-17-0x00000000052E0000-0x00000000052F0000-memory.dmp
      Filesize

      64KB

    • memory/2428-16-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/2428-50-0x0000000007A10000-0x0000000007A42000-memory.dmp
      Filesize

      200KB

    • memory/2428-19-0x0000000005920000-0x0000000005F48000-memory.dmp
      Filesize

      6.2MB

    • memory/2428-52-0x0000000071A40000-0x0000000071A8C000-memory.dmp
      Filesize

      304KB

    • memory/2428-48-0x0000000006850000-0x000000000686E000-memory.dmp
      Filesize

      120KB

    • memory/2428-44-0x0000000006370000-0x00000000066C4000-memory.dmp
      Filesize

      3.3MB

    • memory/2988-81-0x0000000007610000-0x0000000007624000-memory.dmp
      Filesize

      80KB

    • memory/2988-21-0x00000000027A0000-0x00000000027B0000-memory.dmp
      Filesize

      64KB

    • memory/2988-72-0x00000000072C0000-0x0000000007363000-memory.dmp
      Filesize

      652KB

    • memory/2988-27-0x0000000005A90000-0x0000000005AF6000-memory.dmp
      Filesize

      408KB

    • memory/2988-83-0x00000000076F0000-0x00000000076F8000-memory.dmp
      Filesize

      32KB

    • memory/2988-26-0x00000000059B0000-0x0000000005A16000-memory.dmp
      Filesize

      408KB

    • memory/2988-75-0x0000000007440000-0x000000000744A000-memory.dmp
      Filesize

      40KB

    • memory/2988-73-0x00000000079F0000-0x000000000806A000-memory.dmp
      Filesize

      6.5MB

    • memory/2988-49-0x0000000006620000-0x000000000666C000-memory.dmp
      Filesize

      304KB

    • memory/2988-70-0x0000000006670000-0x000000000668E000-memory.dmp
      Filesize

      120KB

    • memory/2988-20-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/2988-51-0x0000000071A40000-0x0000000071A8C000-memory.dmp
      Filesize

      304KB

    • memory/2988-89-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/2988-25-0x0000000005910000-0x0000000005932000-memory.dmp
      Filesize

      136KB

    • memory/2988-77-0x00000000075D0000-0x00000000075E1000-memory.dmp
      Filesize

      68KB

    • memory/3868-1-0x0000000000420000-0x00000000004F4000-memory.dmp
      Filesize

      848KB

    • memory/3868-47-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/3868-6-0x0000000005150000-0x0000000005170000-memory.dmp
      Filesize

      128KB

    • memory/3868-0-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/3868-10-0x0000000075290000-0x0000000075A40000-memory.dmp
      Filesize

      7.7MB

    • memory/3868-2-0x0000000005420000-0x00000000059C4000-memory.dmp
      Filesize

      5.6MB

    • memory/3868-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp
      Filesize

      584KB

    • memory/3868-9-0x000000000C270000-0x000000000C30C000-memory.dmp
      Filesize

      624KB

    • memory/3868-8-0x0000000009150000-0x00000000091D4000-memory.dmp
      Filesize

      528KB

    • memory/3868-5-0x0000000004EC0000-0x0000000004ECA000-memory.dmp
      Filesize

      40KB

    • memory/3868-18-0x0000000004E10000-0x0000000004E20000-memory.dmp
      Filesize

      64KB

    • memory/3868-7-0x0000000006840000-0x0000000006854000-memory.dmp
      Filesize

      80KB

    • memory/3868-4-0x0000000004E10000-0x0000000004E20000-memory.dmp
      Filesize

      64KB