Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-03-2024 01:05

General

  • Target

    PURCHASE ORDER.exe

  • Size

    670KB

  • MD5

    0e2cf387d4c9e428e4fe7426267dcf78

  • SHA1

    6b9d263c151a33ed3f4a190ff946d52220e0f4f9

  • SHA256

    4f632d095e16ece2c5dfae8a7960012ae4c94d5d8420c1a4370161d7eb2cf16d

  • SHA512

    fb006aefc41f72b39ab9c6d45056af8bc8c52ade79aa4991977535632075ee555d74495eae741c9a19c28461d3da853d8d07d8ceaba8364c0e2fdd46d614ccc4

  • SSDEEP

    12288:B7NtLK1lOYgzMEcgyAZx94KgLGeq/tsWzsCywR8Sk4:hicNQ+xCKaGhloPT

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.shivomrealty.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Priya1982#

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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:808
    • 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\PURCHASE ORDER.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2556
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SOhaQHvG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SOhaQHvG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B6C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3176
    • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
      "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
      2⤵
        PID:1620
      • C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe
        "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1672

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Execution

    Scheduled Task/Job

    1
    T1053

    Persistence

    Scheduled Task/Job

    1
    T1053

    Privilege Escalation

    Scheduled Task/Job

    1
    T1053

    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\CLR_v4.0_32\UsageLogs\PURCHASE ORDER.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

      aa052be52f420913b33855e255bbeac7

      SHA1

      483a0e12ca77bc977d0221b34af39e77cbc8d6eb

      SHA256

      4217b05a188bf0d3a4ca2fb899485a72e08087c8d98c467e668798ffa47ffacb

      SHA512

      895a8e447f48e5f19adf411a708c4cef7ca5256429b6a8ae3efa4e23a1155aacb3d58cc9744f2fdf3968859739afe1b4cac372e8cefcc0f34baee0f09ec11cfd

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_eydul05e.5ff.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp6B6C.tmp
      Filesize

      1KB

      MD5

      c3877ba9120beff7903c9e28c47fdb7a

      SHA1

      c39e580d5d035f440fc0efeae1fe0a361cfa8e6b

      SHA256

      ae9da839549288d657bfc46178df16e2cae19f49658d1d0fcc8b69c95a12933f

      SHA512

      44dc20a9907e05039e55e994e45f83233a537192453f59fccecb56d3ce156bbc551049432060e4aab5caed61ded726d5026ecc98564c26028da0741a0da20594

    • memory/808-4-0x0000000005550000-0x0000000005560000-memory.dmp
      Filesize

      64KB

    • memory/808-6-0x0000000005520000-0x000000000553A000-memory.dmp
      Filesize

      104KB

    • memory/808-7-0x0000000005540000-0x000000000554C000-memory.dmp
      Filesize

      48KB

    • memory/808-8-0x00000000068A0000-0x0000000006922000-memory.dmp
      Filesize

      520KB

    • memory/808-9-0x0000000009010000-0x00000000090AC000-memory.dmp
      Filesize

      624KB

    • memory/808-5-0x00000000052F0000-0x00000000052FA000-memory.dmp
      Filesize

      40KB

    • memory/808-3-0x0000000005330000-0x00000000053C2000-memory.dmp
      Filesize

      584KB

    • memory/808-2-0x0000000005A40000-0x0000000005FE4000-memory.dmp
      Filesize

      5.6MB

    • memory/808-0-0x0000000000870000-0x000000000091E000-memory.dmp
      Filesize

      696KB

    • memory/808-1-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/808-47-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/1672-97-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/1672-48-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/1672-49-0x00000000018F0000-0x0000000001900000-memory.dmp
      Filesize

      64KB

    • memory/1672-96-0x0000000006A20000-0x0000000006A70000-memory.dmp
      Filesize

      320KB

    • memory/1672-44-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/2556-18-0x0000000004870000-0x0000000004880000-memory.dmp
      Filesize

      64KB

    • memory/2556-78-0x0000000004870000-0x0000000004880000-memory.dmp
      Filesize

      64KB

    • memory/2556-23-0x0000000005590000-0x00000000055F6000-memory.dmp
      Filesize

      408KB

    • memory/2556-15-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/2556-22-0x0000000004E70000-0x0000000004E92000-memory.dmp
      Filesize

      136KB

    • memory/2556-14-0x0000000004880000-0x00000000048B6000-memory.dmp
      Filesize

      216KB

    • memory/2556-19-0x0000000004EF0000-0x0000000005518000-memory.dmp
      Filesize

      6.2MB

    • memory/2556-50-0x0000000005E30000-0x0000000005E4E000-memory.dmp
      Filesize

      120KB

    • memory/2556-51-0x0000000005ED0000-0x0000000005F1C000-memory.dmp
      Filesize

      304KB

    • memory/2556-54-0x000000007FB60000-0x000000007FB70000-memory.dmp
      Filesize

      64KB

    • memory/2556-56-0x0000000071890000-0x00000000718DC000-memory.dmp
      Filesize

      304KB

    • memory/2556-16-0x0000000004870000-0x0000000004880000-memory.dmp
      Filesize

      64KB

    • memory/2556-94-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/2556-87-0x00000000074A0000-0x00000000074BA000-memory.dmp
      Filesize

      104KB

    • memory/2556-85-0x0000000007390000-0x000000000739E000-memory.dmp
      Filesize

      56KB

    • memory/2556-76-0x0000000007020000-0x00000000070C3000-memory.dmp
      Filesize

      652KB

    • memory/2556-81-0x0000000007160000-0x000000000717A000-memory.dmp
      Filesize

      104KB

    • memory/2556-79-0x0000000004870000-0x0000000004880000-memory.dmp
      Filesize

      64KB

    • memory/2580-53-0x000000007FD60000-0x000000007FD70000-memory.dmp
      Filesize

      64KB

    • memory/2580-52-0x0000000006DE0000-0x0000000006E12000-memory.dmp
      Filesize

      200KB

    • memory/2580-77-0x0000000004A40000-0x0000000004A50000-memory.dmp
      Filesize

      64KB

    • memory/2580-82-0x0000000007220000-0x000000000722A000-memory.dmp
      Filesize

      40KB

    • memory/2580-39-0x0000000005880000-0x0000000005BD4000-memory.dmp
      Filesize

      3.3MB

    • memory/2580-84-0x00000000073B0000-0x00000000073C1000-memory.dmp
      Filesize

      68KB

    • memory/2580-80-0x00000000077F0000-0x0000000007E6A000-memory.dmp
      Filesize

      6.5MB

    • memory/2580-86-0x00000000073F0000-0x0000000007404000-memory.dmp
      Filesize

      80KB

    • memory/2580-83-0x0000000007430000-0x00000000074C6000-memory.dmp
      Filesize

      600KB

    • memory/2580-88-0x00000000074D0000-0x00000000074D8000-memory.dmp
      Filesize

      32KB

    • memory/2580-17-0x0000000004A40000-0x0000000004A50000-memory.dmp
      Filesize

      64KB

    • memory/2580-55-0x0000000071890000-0x00000000718DC000-memory.dmp
      Filesize

      304KB

    • memory/2580-66-0x0000000007040000-0x000000000705E000-memory.dmp
      Filesize

      120KB

    • memory/2580-95-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/2580-20-0x00000000750E0000-0x0000000075890000-memory.dmp
      Filesize

      7.7MB

    • memory/2580-24-0x0000000004FC0000-0x0000000005026000-memory.dmp
      Filesize

      408KB