Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 14:32

General

  • Target

    4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe

  • Size

    778KB

  • MD5

    f98f8ddef570e6855e92f5bedd679e0a

  • SHA1

    8d4c741006e49809485b16d3210299e7839d1350

  • SHA256

    4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9

  • SHA512

    5ef7c79c3174df69a2803e95a315194fb1fcd979eca9124203f37cc80d0cb5efd531ad028df8a691239650ee73780d02efbe503fa6ce354d1f0d68d41da17d98

  • SSDEEP

    12288:RijW1uYU0WXGcZI2P/GLC0+i+Gxc/qMNldhRT82kNN/MhH37ixkceykcTcro4QES:muK/GLCfGxc/DN9WRghHLIMhdf

Malware Config

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.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe
    "C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2712
    • 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\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1948
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\AEERnFW.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AEERnFW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDED7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe
      "C:\Users\Admin\AppData\Local\Temp\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2604

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4b34bc3727484ca341c95178cc5fca86791d87706d5d5503644377a080c971d9.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

    1e1fa4e5dc3cfdbc1218802ed883fed3

    SHA1

    7e045ad841ec9f57ce8a5ec200c31c3f5965915e

    SHA256

    dfc21076909a382b6697e2dc050de5b96a8bc3dbdd43fb0be0d4a6a9a1d1a21e

    SHA512

    f944e15a915d6a70cab03b58c71453b9366384bcb8322de6372a0f2b7bb6edc47198ddde79239e10298d553171f68e12577fe39f297c5254bc16be6b17d03ad6

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3kcbaaug.vhe.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpDED7.tmp

    Filesize

    1KB

    MD5

    dbd494419812bf54f34d40c10c099cd8

    SHA1

    abca9b3e8334ea8c8799be16e069fc3289df1b01

    SHA256

    1f13faaab128e469c3f1e22ab4639855c8e49100da9f72df7e183a17ad05cf01

    SHA512

    b8dfb806370a4e42f650833042c537d3b1e2348a2533dd56c345f8bd8e25b8c0720e76332def5290e9e8c4d8d988038c146bd41612624939366f74fcd2e29e52

  • memory/1688-82-0x0000000007880000-0x000000000789A000-memory.dmp

    Filesize

    104KB

  • memory/1688-97-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1688-90-0x0000000007BA0000-0x0000000007BA8000-memory.dmp

    Filesize

    32KB

  • memory/1688-53-0x0000000006AC0000-0x0000000006B0C000-memory.dmp

    Filesize

    304KB

  • memory/1688-52-0x0000000006560000-0x000000000657E000-memory.dmp

    Filesize

    120KB

  • memory/1688-87-0x0000000007AB0000-0x0000000007ABE000-memory.dmp

    Filesize

    56KB

  • memory/1688-85-0x0000000007A80000-0x0000000007A91000-memory.dmp

    Filesize

    68KB

  • memory/1688-84-0x0000000007B00000-0x0000000007B96000-memory.dmp

    Filesize

    600KB

  • memory/1688-81-0x0000000007EC0000-0x000000000853A000-memory.dmp

    Filesize

    6.5MB

  • memory/1688-18-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1688-19-0x0000000005090000-0x00000000050A0000-memory.dmp

    Filesize

    64KB

  • memory/1688-70-0x0000000006B30000-0x0000000006B4E000-memory.dmp

    Filesize

    120KB

  • memory/1688-58-0x0000000070C10000-0x0000000070C5C000-memory.dmp

    Filesize

    304KB

  • memory/1688-57-0x000000007F320000-0x000000007F330000-memory.dmp

    Filesize

    64KB

  • memory/1688-22-0x0000000005090000-0x00000000050A0000-memory.dmp

    Filesize

    64KB

  • memory/1688-24-0x00000000054A0000-0x00000000054C2000-memory.dmp

    Filesize

    136KB

  • memory/1688-54-0x0000000005090000-0x00000000050A0000-memory.dmp

    Filesize

    64KB

  • memory/1948-83-0x0000000007B50000-0x0000000007B5A000-memory.dmp

    Filesize

    40KB

  • memory/1948-21-0x0000000002F60000-0x0000000002F70000-memory.dmp

    Filesize

    64KB

  • memory/1948-46-0x00000000061E0000-0x0000000006534000-memory.dmp

    Filesize

    3.3MB

  • memory/1948-15-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-17-0x0000000005990000-0x0000000005FB8000-memory.dmp

    Filesize

    6.2MB

  • memory/1948-80-0x00000000079F0000-0x0000000007A93000-memory.dmp

    Filesize

    652KB

  • memory/1948-14-0x0000000002E90000-0x0000000002EC6000-memory.dmp

    Filesize

    216KB

  • memory/1948-26-0x0000000006170000-0x00000000061D6000-memory.dmp

    Filesize

    408KB

  • memory/1948-93-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-89-0x0000000007E20000-0x0000000007E3A000-memory.dmp

    Filesize

    104KB

  • memory/1948-25-0x0000000005890000-0x00000000058F6000-memory.dmp

    Filesize

    408KB

  • memory/1948-55-0x000000007F420000-0x000000007F430000-memory.dmp

    Filesize

    64KB

  • memory/1948-88-0x0000000007D20000-0x0000000007D34000-memory.dmp

    Filesize

    80KB

  • memory/1948-56-0x00000000077B0000-0x00000000077E2000-memory.dmp

    Filesize

    200KB

  • memory/1948-60-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/1948-59-0x0000000070C10000-0x0000000070C5C000-memory.dmp

    Filesize

    304KB

  • memory/1948-16-0x0000000002F60000-0x0000000002F70000-memory.dmp

    Filesize

    64KB

  • memory/2604-51-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2604-98-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2604-99-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB

  • memory/2604-86-0x0000000006760000-0x00000000067B0000-memory.dmp

    Filesize

    320KB

  • memory/2604-45-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2712-8-0x00000000066D0000-0x000000000674A000-memory.dmp

    Filesize

    488KB

  • memory/2712-6-0x0000000005920000-0x0000000005936000-memory.dmp

    Filesize

    88KB

  • memory/2712-0-0x0000000000E70000-0x0000000000F36000-memory.dmp

    Filesize

    792KB

  • memory/2712-20-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2712-5-0x0000000005930000-0x000000000593A000-memory.dmp

    Filesize

    40KB

  • memory/2712-4-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB

  • memory/2712-7-0x0000000005940000-0x000000000594A000-memory.dmp

    Filesize

    40KB

  • memory/2712-2-0x0000000005F10000-0x00000000064B4000-memory.dmp

    Filesize

    5.6MB

  • memory/2712-1-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2712-9-0x0000000008CA0000-0x0000000008D3C000-memory.dmp

    Filesize

    624KB

  • memory/2712-50-0x00000000745A0000-0x0000000074D50000-memory.dmp

    Filesize

    7.7MB

  • memory/2712-3-0x0000000005960000-0x00000000059F2000-memory.dmp

    Filesize

    584KB

  • memory/2712-49-0x00000000058B0000-0x00000000058C0000-memory.dmp

    Filesize

    64KB