Analysis

  • max time kernel
    140s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2024 07:51

General

  • Target

    Balance payment.exe

  • Size

    1.4MB

  • MD5

    86e5efa7d3dce6320ffcdfc12f628cba

  • SHA1

    d3d26c7eddb95e028c13b97f94f330e5ad5dbba4

  • SHA256

    07c65671acce67cfa5a214ce2285563f6b3eaeadd5afbcd21bcaa42a536f7ba6

  • SHA512

    cb5d2fa04260b9ca8b8200dfa8881d82ae7cd701822c0cb3c8df5846a6f315c60475a39dc9048094d78fc8c2be21e4df734b805ac2f205c3c67b1a1b89cd8e23

  • SSDEEP

    24576:ivrA5SXIIYCcp3WLcndXJp80oPQZ3aO30KISlm7mgXKrqEKdCSu59m6nnjqKoe:ivOkRYCcp3ZrpBooF1Tm6g6rFKdg9rjF

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 2 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 3 TTPs

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

  • 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 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Balance payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Balance payment.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2800
    • 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\Balance payment.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OkbpwNyH.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OkbpwNyH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4A52.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3000
    • C:\Users\Admin\AppData\Local\Temp\Balance payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Balance payment.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4904
      • 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\Balance payment.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4316
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\wlBldyvi.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1500
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wlBldyvi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FCA.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4980
      • C:\Users\Admin\AppData\Local\Temp\Balance payment.exe
        "C:\Users\Admin\AppData\Local\Temp\Balance payment.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Balance payment.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

    b6534ea12baa48e789282e73fa42fc79

    SHA1

    20882f98adf788edd2b4ed9ed8b7f31a3a50a798

    SHA256

    7f4ed1e3063bb794648f28d3faec4583a7e7f4dc06f432f0397e3ef86847ae11

    SHA512

    deee70c91b3da19e1620645c54d046ef20e06fde2a8fdc96d29943500e6f876bc298a3e3d1b3a922f11bb3f202fd5d82770bf63e791eca0b6043764879a36aff

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

    Filesize

    18KB

    MD5

    8f355b5d0a2fd75f5bf58ae28923b1d7

    SHA1

    be33fc3695548301a95f749edd6740311f597d85

    SHA256

    9a39cd4af7100daf5b82582dd1cacab7119ae14acfe80e6f1c7f9664d6fd8b0b

    SHA512

    3c87f261fc0a7b6bfca77008224e8c31150004fb385a01cee2a83910ec1ec54777b3e3bc104ff27725340900121c83237dd510fb65a85b29abb32e9c810e5b4f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jl2xtu4k.b53.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp4A52.tmp

    Filesize

    1KB

    MD5

    b540efd4731ef23f5c69f749640fe9fb

    SHA1

    d0cb8335dd199f70ae579b62287d8fe6923efe88

    SHA256

    8d579d83724724c88cc108a92ca7a3a9c19153fd5b3f6496c227a16382099804

    SHA512

    6014f3b851ba3afee12a7949622df49a7afcbdfdf8f828dcfb79ed04e789a323f46c1354ceb47c3dd2dbdf6907134189e9c2d9ece5201888533babe94a0be651

  • C:\Users\Admin\AppData\Local\Temp\tmp7FCA.tmp

    Filesize

    1KB

    MD5

    64356534f440d4ef5db0badc9979af46

    SHA1

    ad99d61e93339b9815ab7abb7ff0859bb6ec104a

    SHA256

    be63e57e58ec5c1ebe6c2285c1e699f17ea3b0107fcd4100232b387c576c758f

    SHA512

    bcfd5c0cf7a5c5b873e042e345c34f978116d605583d16bd01909c28dd78bb2c0b550e20818b352d9cd78c692987ae25f3c132c862c9054a0fb2aa841757a607

  • C:\Users\Admin\AppData\Roaming\wlBldyvi.exe

    Filesize

    1.4MB

    MD5

    86e5efa7d3dce6320ffcdfc12f628cba

    SHA1

    d3d26c7eddb95e028c13b97f94f330e5ad5dbba4

    SHA256

    07c65671acce67cfa5a214ce2285563f6b3eaeadd5afbcd21bcaa42a536f7ba6

    SHA512

    cb5d2fa04260b9ca8b8200dfa8881d82ae7cd701822c0cb3c8df5846a6f315c60475a39dc9048094d78fc8c2be21e4df734b805ac2f205c3c67b1a1b89cd8e23

  • memory/1500-107-0x0000000005A30000-0x0000000005D84000-memory.dmp

    Filesize

    3.3MB

  • memory/1500-122-0x00000000714E0000-0x000000007152C000-memory.dmp

    Filesize

    304KB

  • memory/1500-121-0x00000000061D0000-0x000000000621C000-memory.dmp

    Filesize

    304KB

  • memory/1500-132-0x0000000007160000-0x0000000007203000-memory.dmp

    Filesize

    652KB

  • memory/1500-143-0x00000000074A0000-0x00000000074B1000-memory.dmp

    Filesize

    68KB

  • memory/1500-144-0x00000000074E0000-0x00000000074F4000-memory.dmp

    Filesize

    80KB

  • memory/2640-118-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-148-0x0000000006F60000-0x0000000006FB0000-memory.dmp

    Filesize

    320KB

  • memory/2800-6-0x00000000062A0000-0x00000000063CE000-memory.dmp

    Filesize

    1.2MB

  • memory/2800-10-0x00000000066A0000-0x00000000067B6000-memory.dmp

    Filesize

    1.1MB

  • memory/2800-9-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-8-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

  • memory/2800-7-0x0000000004E80000-0x0000000004E90000-memory.dmp

    Filesize

    64KB

  • memory/2800-11-0x0000000009C00000-0x0000000009C9C000-memory.dmp

    Filesize

    624KB

  • memory/2800-5-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-4-0x0000000004C00000-0x0000000004C0A000-memory.dmp

    Filesize

    40KB

  • memory/2800-40-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/2800-3-0x0000000004C60000-0x0000000004CF2000-memory.dmp

    Filesize

    584KB

  • memory/2800-2-0x0000000005210000-0x00000000057B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2800-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

    Filesize

    4KB

  • memory/2800-1-0x0000000000090000-0x00000000001FE000-memory.dmp

    Filesize

    1.4MB

  • memory/3120-92-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-84-0x0000000007310000-0x000000000732A000-memory.dmp

    Filesize

    104KB

  • memory/3120-25-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-54-0x0000000006C30000-0x0000000006C62000-memory.dmp

    Filesize

    200KB

  • memory/3120-55-0x0000000075650000-0x000000007569C000-memory.dmp

    Filesize

    304KB

  • memory/3120-27-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-65-0x0000000006C10000-0x0000000006C2E000-memory.dmp

    Filesize

    120KB

  • memory/3120-76-0x0000000006E80000-0x0000000006F23000-memory.dmp

    Filesize

    652KB

  • memory/3120-34-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3120-24-0x0000000004CE0000-0x0000000004D46000-memory.dmp

    Filesize

    408KB

  • memory/3120-23-0x0000000004C70000-0x0000000004CD6000-memory.dmp

    Filesize

    408KB

  • memory/3120-85-0x00000000072F0000-0x00000000072F8000-memory.dmp

    Filesize

    32KB

  • memory/3964-77-0x0000000007EC0000-0x000000000853A000-memory.dmp

    Filesize

    6.5MB

  • memory/3964-22-0x0000000005580000-0x00000000055A2000-memory.dmp

    Filesize

    136KB

  • memory/3964-83-0x0000000007AC0000-0x0000000007AD4000-memory.dmp

    Filesize

    80KB

  • memory/3964-81-0x0000000007A80000-0x0000000007A91000-memory.dmp

    Filesize

    68KB

  • memory/3964-80-0x0000000007B00000-0x0000000007B96000-memory.dmp

    Filesize

    600KB

  • memory/3964-51-0x0000000006620000-0x000000000666C000-memory.dmp

    Filesize

    304KB

  • memory/3964-50-0x0000000006550000-0x000000000656E000-memory.dmp

    Filesize

    120KB

  • memory/3964-79-0x00000000078F0000-0x00000000078FA000-memory.dmp

    Filesize

    40KB

  • memory/3964-91-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-16-0x0000000002BF0000-0x0000000002C26000-memory.dmp

    Filesize

    216KB

  • memory/3964-17-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-19-0x0000000005720000-0x0000000005D48000-memory.dmp

    Filesize

    6.2MB

  • memory/3964-78-0x0000000007880000-0x000000000789A000-memory.dmp

    Filesize

    104KB

  • memory/3964-66-0x0000000075650000-0x000000007569C000-memory.dmp

    Filesize

    304KB

  • memory/3964-26-0x0000000005F20000-0x0000000006274000-memory.dmp

    Filesize

    3.3MB

  • memory/3964-18-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/3964-82-0x0000000007AB0000-0x0000000007ABE000-memory.dmp

    Filesize

    56KB

  • memory/3964-20-0x0000000074DA0000-0x0000000075550000-memory.dmp

    Filesize

    7.7MB

  • memory/4316-133-0x00000000714E0000-0x000000007152C000-memory.dmp

    Filesize

    304KB

  • memory/4904-52-0x0000000006990000-0x0000000006A30000-memory.dmp

    Filesize

    640KB

  • memory/4904-28-0x0000000000400000-0x00000000004D4000-memory.dmp

    Filesize

    848KB

  • memory/4904-53-0x0000000005330000-0x0000000005340000-memory.dmp

    Filesize

    64KB

  • memory/4904-93-0x0000000006CE0000-0x0000000006D62000-memory.dmp

    Filesize

    520KB