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Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2023, 06:52

General

  • Target

    cargo_023354663.exe

  • Size

    741KB

  • MD5

    d33d4e3f2ee5d8629f2deedbdbfe5199

  • SHA1

    f3ca6f75cba4394e2b52792c12bd0988673e7560

  • SHA256

    3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0

  • SHA512

    8d45ba0ea829b88ac6fbadfc1e04cf9f0afd3f173f9bb68b422dabaed8f339cf05dee237530335d2d2ead25ae097d4ebec99173364f03eef460583ff0d8e469b

  • SSDEEP

    12288:6elc5Fqrvh3ukGR8FFkbYJeu+yk5uvlWwjFLGTe/+SSS3sOiVdiaPVm+Z:yfuvRVMcflcOCicJZ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cash@com12345

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 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
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cargo_023354663.exe
    "C:\Users\Admin\AppData\Local\Temp\cargo_023354663.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3172
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KZkzSiXud.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1976
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZkzSiXud" /XML "C:\Users\Admin\AppData\Local\Temp\tmp293E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2568
    • C:\Users\Admin\AppData\Local\Temp\cargo_023354663.exe
      "C:\Users\Admin\AppData\Local\Temp\cargo_023354663.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cargo_023354663.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s5cn0u0g.vma.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp293E.tmp

    Filesize

    1KB

    MD5

    d8fd40b65247d15ef6c13357df836c47

    SHA1

    8d5af978d91641248b222e4e1dff7794fd07f869

    SHA256

    97bc71a3f9279c6e18abaed2f08d8d38f2b21b509471519cb159464ec72be892

    SHA512

    294267f0b3d20919b92df51ecaf2754056f5929870b6dd7bed2be1122d227def01b3af63a2478d32f49d02e29a57dca5bdb69a6ab5fb757b6bdb47fe3a1e1ab8

  • C:\Users\Admin\AppData\Roaming\Micosoft Excel 2023\Micosoft Excel 2023.exe

    Filesize

    741KB

    MD5

    d33d4e3f2ee5d8629f2deedbdbfe5199

    SHA1

    f3ca6f75cba4394e2b52792c12bd0988673e7560

    SHA256

    3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0

    SHA512

    8d45ba0ea829b88ac6fbadfc1e04cf9f0afd3f173f9bb68b422dabaed8f339cf05dee237530335d2d2ead25ae097d4ebec99173364f03eef460583ff0d8e469b

  • memory/1976-59-0x0000000007300000-0x00000000073A3000-memory.dmp

    Filesize

    652KB

  • memory/1976-61-0x0000000007410000-0x000000000742A000-memory.dmp

    Filesize

    104KB

  • memory/1976-72-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1976-69-0x0000000007730000-0x0000000007738000-memory.dmp

    Filesize

    32KB

  • memory/1976-68-0x0000000007750000-0x000000000776A000-memory.dmp

    Filesize

    104KB

  • memory/1976-67-0x0000000007650000-0x0000000007664000-memory.dmp

    Filesize

    80KB

  • memory/1976-14-0x0000000001030000-0x0000000001066000-memory.dmp

    Filesize

    216KB

  • memory/1976-66-0x0000000007640000-0x000000000764E000-memory.dmp

    Filesize

    56KB

  • memory/1976-16-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/1976-19-0x00000000029E0000-0x00000000029F0000-memory.dmp

    Filesize

    64KB

  • memory/1976-18-0x00000000029E0000-0x00000000029F0000-memory.dmp

    Filesize

    64KB

  • memory/1976-41-0x00000000060E0000-0x00000000060FE000-memory.dmp

    Filesize

    120KB

  • memory/1976-20-0x00000000053C0000-0x00000000059E8000-memory.dmp

    Filesize

    6.2MB

  • memory/1976-64-0x0000000007690000-0x0000000007726000-memory.dmp

    Filesize

    600KB

  • memory/1976-63-0x0000000007480000-0x000000000748A000-memory.dmp

    Filesize

    40KB

  • memory/1976-40-0x0000000005AE0000-0x0000000005E34000-memory.dmp

    Filesize

    3.3MB

  • memory/1976-60-0x0000000007A50000-0x00000000080CA000-memory.dmp

    Filesize

    6.5MB

  • memory/1976-58-0x00000000066B0000-0x00000000066CE000-memory.dmp

    Filesize

    120KB

  • memory/1976-27-0x0000000005020000-0x0000000005042000-memory.dmp

    Filesize

    136KB

  • memory/1976-28-0x00000000059F0000-0x0000000005A56000-memory.dmp

    Filesize

    408KB

  • memory/1976-48-0x0000000070A50000-0x0000000070A9C000-memory.dmp

    Filesize

    304KB

  • memory/1976-47-0x00000000072B0000-0x00000000072E2000-memory.dmp

    Filesize

    200KB

  • memory/1976-46-0x000000007F950000-0x000000007F960000-memory.dmp

    Filesize

    64KB

  • memory/1976-43-0x00000000029E0000-0x00000000029F0000-memory.dmp

    Filesize

    64KB

  • memory/1976-65-0x0000000007610000-0x0000000007621000-memory.dmp

    Filesize

    68KB

  • memory/1976-42-0x0000000006130000-0x000000000617C000-memory.dmp

    Filesize

    304KB

  • memory/2952-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2952-74-0x0000000005030000-0x0000000005040000-memory.dmp

    Filesize

    64KB

  • memory/2952-73-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2952-29-0x0000000005030000-0x0000000005040000-memory.dmp

    Filesize

    64KB

  • memory/2952-30-0x0000000005040000-0x00000000050A6000-memory.dmp

    Filesize

    408KB

  • memory/2952-25-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/2952-62-0x0000000006050000-0x00000000060A0000-memory.dmp

    Filesize

    320KB

  • memory/3172-3-0x0000000005550000-0x00000000055E2000-memory.dmp

    Filesize

    584KB

  • memory/3172-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

    Filesize

    5.6MB

  • memory/3172-26-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-24-0x0000000005770000-0x0000000005780000-memory.dmp

    Filesize

    64KB

  • memory/3172-0-0x0000000000B10000-0x0000000000BD0000-memory.dmp

    Filesize

    768KB

  • memory/3172-17-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB

  • memory/3172-4-0x0000000005770000-0x0000000005780000-memory.dmp

    Filesize

    64KB

  • memory/3172-9-0x0000000006E10000-0x0000000006E8C000-memory.dmp

    Filesize

    496KB

  • memory/3172-8-0x00000000056F0000-0x00000000056FA000-memory.dmp

    Filesize

    40KB

  • memory/3172-7-0x00000000056E0000-0x00000000056F6000-memory.dmp

    Filesize

    88KB

  • memory/3172-6-0x0000000005780000-0x000000000581C000-memory.dmp

    Filesize

    624KB

  • memory/3172-5-0x0000000005620000-0x000000000562A000-memory.dmp

    Filesize

    40KB

  • memory/3172-1-0x0000000074E10000-0x00000000755C0000-memory.dmp

    Filesize

    7.7MB