Analysis

  • max time kernel
    126s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 05:05

General

  • Target

    Payment Confirmation.exe

  • Size

    810.6MB

  • MD5

    80084f611a6210c1b59f6d7d672bcdde

  • SHA1

    0d1a1a9b27b1ba74e7603c4257eac203c63ea00e

  • SHA256

    c3d48de6a3ba0557c17e337205c597957c26baab2adbb3ae3909e83ef087fe90

  • SHA512

    3d49d606aa1dcc56d3021edf0870d0c39dfa19c658424ada459b58663d82f4decddcea662b6adca8ae67ce3a5282965849b413d64433438374132af05a9bad16

  • SSDEEP

    12288:uXX8vpiZVD7exhoDQRkYLulRnDqXSAzdeatPksfU8gee2GJF0kWN:W8xaGSAkKubqXJrQee9JGkWN

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7000875199:AAGcJDBHFcfVUBvhBO4xZLw34OXk1NWXSe0/

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2608
    • 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\Payment Confirmation.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2100
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hdusbcAb.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hdusbcAb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF136.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4224
    • C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Confirmation.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment Confirmation.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    3dc531f99cccee6009370853253aa03c

    SHA1

    f1f47d8fc3076b636c73b8aaebfc4f1f87a470b9

    SHA256

    43123f54f0f55f38dac07946f5affb9b45bb39f044e606b341fed8f8bf9eb9ec

    SHA512

    0ec3bc47872038dcb84cedbffcbd9f928c8d3db3ff782140545d6af48000a5767faee6221a3cf3a816a3a59b256d68938b82a05474d09ec97964665b0fb0e74b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nmw3gbof.pgj.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF136.tmp

    Filesize

    1KB

    MD5

    5b09d728c055085e71f261163e2e8568

    SHA1

    17f7ccdea33bd08ea07c5168853b5173d6f03bcb

    SHA256

    2cc5b47df8181d42391ffcb3f66644db1398cecbb54f06a676863fbbc1a6da47

    SHA512

    4218d7200ec6a364a0122880f012dbf1a6f7389040bcc0977df7d1942cfc8f13e63be68f7e6ed6fb13d706a39a164453bde413e9969297ac331d4ea9130598a8

  • memory/2100-63-0x00000000075F0000-0x0000000007C6A000-memory.dmp

    Filesize

    6.5MB

  • memory/2100-67-0x00000000071B0000-0x00000000071C1000-memory.dmp

    Filesize

    68KB

  • memory/2100-84-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-81-0x00000000072D0000-0x00000000072D8000-memory.dmp

    Filesize

    32KB

  • memory/2100-80-0x00000000072F0000-0x000000000730A000-memory.dmp

    Filesize

    104KB

  • memory/2100-79-0x00000000071F0000-0x0000000007204000-memory.dmp

    Filesize

    80KB

  • memory/2100-78-0x00000000071E0000-0x00000000071EE000-memory.dmp

    Filesize

    56KB

  • memory/2100-12-0x00000000046B0000-0x00000000046E6000-memory.dmp

    Filesize

    216KB

  • memory/2100-14-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-13-0x0000000004E70000-0x0000000005498000-memory.dmp

    Filesize

    6.2MB

  • memory/2100-15-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-16-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2100-17-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

    Filesize

    136KB

  • memory/2100-18-0x0000000004DD0000-0x0000000004E36000-memory.dmp

    Filesize

    408KB

  • memory/2100-19-0x0000000005650000-0x00000000056B6000-memory.dmp

    Filesize

    408KB

  • memory/2100-66-0x0000000007230000-0x00000000072C6000-memory.dmp

    Filesize

    600KB

  • memory/2100-29-0x00000000056C0000-0x0000000005A14000-memory.dmp

    Filesize

    3.3MB

  • memory/2100-30-0x0000000005C70000-0x0000000005C8E000-memory.dmp

    Filesize

    120KB

  • memory/2100-31-0x0000000005D00000-0x0000000005D4C000-memory.dmp

    Filesize

    304KB

  • memory/2100-65-0x0000000007020000-0x000000000702A000-memory.dmp

    Filesize

    40KB

  • memory/2100-64-0x0000000006FB0000-0x0000000006FCA000-memory.dmp

    Filesize

    104KB

  • memory/2100-62-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/2100-61-0x0000000006C60000-0x0000000006C7E000-memory.dmp

    Filesize

    120KB

  • memory/2100-51-0x000000006F730000-0x000000006F77C000-memory.dmp

    Filesize

    304KB

  • memory/2100-50-0x0000000006240000-0x0000000006272000-memory.dmp

    Filesize

    200KB

  • memory/2608-11-0x000000000A320000-0x000000000A3BC000-memory.dmp

    Filesize

    624KB

  • memory/2608-6-0x00000000077C0000-0x000000000785A000-memory.dmp

    Filesize

    616KB

  • memory/2608-1-0x0000000000490000-0x0000000000532000-memory.dmp

    Filesize

    648KB

  • memory/2608-0-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/2608-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp

    Filesize

    584KB

  • memory/2608-5-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2608-48-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2608-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

    Filesize

    5.6MB

  • memory/2608-4-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

    Filesize

    40KB

  • memory/2608-10-0x0000000007BA0000-0x0000000007C24000-memory.dmp

    Filesize

    528KB

  • memory/2608-9-0x00000000747E0000-0x0000000074F90000-memory.dmp

    Filesize

    7.7MB

  • memory/2608-8-0x00000000747EE000-0x00000000747EF000-memory.dmp

    Filesize

    4KB

  • memory/2608-7-0x0000000005510000-0x000000000551E000-memory.dmp

    Filesize

    56KB

  • memory/2860-68-0x000000006F730000-0x000000006F77C000-memory.dmp

    Filesize

    304KB

  • memory/4360-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4360-88-0x0000000006260000-0x00000000062B0000-memory.dmp

    Filesize

    320KB