Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/04/2024, 11:09

General

  • Target

    PO-24-0146.exe

  • Size

    635KB

  • MD5

    97a1f463d7892e916c06e18e772be8ea

  • SHA1

    a9b8899a1f18739f90be637c4c9e5969a3bad0f8

  • SHA256

    4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c

  • SHA512

    ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad

  • SSDEEP

    12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.issltd.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iss123

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.

  • 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
    "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1444
    • 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\PO-24-0146.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5012
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jIlwbG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4960
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E5C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4104
    • C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe
      "C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2428
  • 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=1424 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4376

    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

            968cb9309758126772781b83adb8a28f

            SHA1

            8da30e71accf186b2ba11da1797cf67f8f78b47c

            SHA256

            92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

            SHA512

            4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

            Filesize

            18KB

            MD5

            20a0e17b2e1d18f0732fc45ad3d666c0

            SHA1

            99de4d6b09088437edd2e97ca734c99f3ad42d73

            SHA256

            48c77cbe94f660622a0903da0176e8229e5c1364efd57eb9e706d85e13d74602

            SHA512

            c2e47cc02e5c43ed25d61bb5207e8ff70c07be69483c60d6ff7ddade2f54ba1df38946da6af5a90080eed33f849bfb8685c13469e6662d340b2ecede5b245b85

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ja4pl3az.xes.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • C:\Users\Admin\AppData\Local\Temp\tmp3E5C.tmp

            Filesize

            1KB

            MD5

            9ddca00edf40b6117d57d6860b8d8e12

            SHA1

            38d5aea7672afb5ea9663573aee7f88bf7e6eed8

            SHA256

            335cac4dfd901cfd7e5022ab3b9f0c84f8548ff20913f4bfad6a836a70603d2d

            SHA512

            92c4da73be476be2ac91db3fc4a2866eb1a71d32df019c313638b4b5c4ad0ef121024e5e8ba30fcf606cd7098374728c590b263816e262ccb4d309d4c9076c46

          • memory/1444-35-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1444-4-0x0000000005520000-0x0000000005530000-memory.dmp

            Filesize

            64KB

          • memory/1444-6-0x0000000005830000-0x0000000005844000-memory.dmp

            Filesize

            80KB

          • memory/1444-7-0x00000000065F0000-0x00000000065FA000-memory.dmp

            Filesize

            40KB

          • memory/1444-8-0x0000000006600000-0x000000000660C000-memory.dmp

            Filesize

            48KB

          • memory/1444-9-0x0000000006670000-0x00000000066F2000-memory.dmp

            Filesize

            520KB

          • memory/1444-10-0x0000000008D30000-0x0000000008DCC000-memory.dmp

            Filesize

            624KB

          • memory/1444-26-0x0000000005520000-0x0000000005530000-memory.dmp

            Filesize

            64KB

          • memory/1444-1-0x0000000000880000-0x0000000000926000-memory.dmp

            Filesize

            664KB

          • memory/1444-5-0x00000000054C0000-0x00000000054CA000-memory.dmp

            Filesize

            40KB

          • memory/1444-3-0x0000000005330000-0x00000000053C2000-memory.dmp

            Filesize

            584KB

          • memory/1444-2-0x0000000005840000-0x0000000005DE4000-memory.dmp

            Filesize

            5.6MB

          • memory/1444-0-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1444-21-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2428-88-0x0000000006FC0000-0x0000000007010000-memory.dmp

            Filesize

            320KB

          • memory/2428-97-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2428-42-0x0000000005900000-0x0000000005910000-memory.dmp

            Filesize

            64KB

          • memory/2428-25-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/2428-98-0x0000000005900000-0x0000000005910000-memory.dmp

            Filesize

            64KB

          • memory/2428-27-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/4960-82-0x00000000071B0000-0x00000000071BA000-memory.dmp

            Filesize

            40KB

          • memory/4960-74-0x00000000063B0000-0x00000000063CE000-memory.dmp

            Filesize

            120KB

          • memory/4960-92-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/4960-22-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/4960-34-0x0000000005800000-0x0000000005866000-memory.dmp

            Filesize

            408KB

          • memory/4960-51-0x0000000005AD0000-0x0000000005E24000-memory.dmp

            Filesize

            3.3MB

          • memory/4960-89-0x00000000074E0000-0x00000000074E8000-memory.dmp

            Filesize

            32KB

          • memory/4960-53-0x0000000005F40000-0x0000000005F8C000-memory.dmp

            Filesize

            304KB

          • memory/4960-54-0x0000000004A20000-0x0000000004A30000-memory.dmp

            Filesize

            64KB

          • memory/4960-20-0x0000000004A20000-0x0000000004A30000-memory.dmp

            Filesize

            64KB

          • memory/4960-83-0x0000000007440000-0x00000000074D6000-memory.dmp

            Filesize

            600KB

          • memory/4960-81-0x00000000064E0000-0x00000000064FA000-memory.dmp

            Filesize

            104KB

          • memory/4960-59-0x0000000071030000-0x000000007107C000-memory.dmp

            Filesize

            304KB

          • memory/5012-79-0x0000000007030000-0x00000000070D3000-memory.dmp

            Filesize

            652KB

          • memory/5012-86-0x0000000007570000-0x0000000007584000-memory.dmp

            Filesize

            80KB

          • memory/5012-41-0x0000000005990000-0x00000000059F6000-memory.dmp

            Filesize

            408KB

          • memory/5012-80-0x0000000007970000-0x0000000007FEA000-memory.dmp

            Filesize

            6.5MB

          • memory/5012-56-0x000000007FC20000-0x000000007FC30000-memory.dmp

            Filesize

            64KB

          • memory/5012-18-0x0000000005040000-0x0000000005668000-memory.dmp

            Filesize

            6.2MB

          • memory/5012-57-0x0000000006FF0000-0x0000000007022000-memory.dmp

            Filesize

            200KB

          • memory/5012-84-0x0000000007530000-0x0000000007541000-memory.dmp

            Filesize

            68KB

          • memory/5012-85-0x0000000007560000-0x000000000756E000-memory.dmp

            Filesize

            56KB

          • memory/5012-58-0x0000000071030000-0x000000007107C000-memory.dmp

            Filesize

            304KB

          • memory/5012-87-0x0000000007670000-0x000000000768A000-memory.dmp

            Filesize

            104KB

          • memory/5012-55-0x00000000049C0000-0x00000000049D0000-memory.dmp

            Filesize

            64KB

          • memory/5012-52-0x0000000006000000-0x000000000601E000-memory.dmp

            Filesize

            120KB

          • memory/5012-24-0x0000000005850000-0x0000000005872000-memory.dmp

            Filesize

            136KB

          • memory/5012-19-0x00000000049C0000-0x00000000049D0000-memory.dmp

            Filesize

            64KB

          • memory/5012-17-0x00000000049C0000-0x00000000049D0000-memory.dmp

            Filesize

            64KB

          • memory/5012-96-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/5012-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

            Filesize

            7.7MB

          • memory/5012-15-0x00000000049D0000-0x0000000004A06000-memory.dmp

            Filesize

            216KB