Analysis

  • max time kernel
    117s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 14:15

General

  • Target

    tmpf1uhap3c.exe

  • Size

    893KB

  • MD5

    efb3dbc98a7974b96d5b7d520daf7bdc

  • SHA1

    b700166cbe9f33206f7c35e96c0a1f0482a01368

  • SHA256

    2c76e1c69745332a74f8bf2a9750b20d6b331af1d54550f94a03dfb475ac655e

  • SHA512

    8ff20b8cf0dc11eca1835ae2c0993449afe9a258523d7a5d686156bea033037a7fc6d15daf0e96a0fb4a058e06adcf7be369bb46a106d01c46d5ee93d96aa0a3

  • SSDEEP

    12288:cBaPwVueH5qX7xEXFXLkwJn4Qqvseieb3teGZM9m37GRpNlAYb28GukXWlfDljip:cwPGqXN0Fkk2LvZM9mID1GuVDRi

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.oripam.xyz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    231Father@

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmpf1uhap3c.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpf1uhap3c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\hcHFiLlKqUG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hcHFiLlKqUG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92CD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2760
    • C:\Users\Admin\AppData\Local\Temp\tmpf1uhap3c.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpf1uhap3c.exe"
      2⤵
        PID:2748
      • C:\Users\Admin\AppData\Local\Temp\tmpf1uhap3c.exe
        "C:\Users\Admin\AppData\Local\Temp\tmpf1uhap3c.exe"
        2⤵
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      344B

      MD5

      7100ba95ab54b055d70c202a291ff55e

      SHA1

      ec48bf5dbb541b2822743b92e140c655a95fc355

      SHA256

      2a795c997e1b65205f9ddd2e713748160f8bd940a2da77dac5d40a61a74deafb

      SHA512

      f12650362fe9352c2ab7e98b6d6f2f01fb060f4d50dfc7ea1e3e2555af4b465cfd42f9edd44439f6f0b3a67814cef3a8364b64db82fbc4210170ebecd7ed0aa1

    • C:\Users\Admin\AppData\Local\Temp\CabAC67.tmp

      Filesize

      61KB

      MD5

      f3441b8572aae8801c04f3060b550443

      SHA1

      4ef0a35436125d6821831ef36c28ffaf196cda15

      SHA256

      6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

      SHA512

      5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

    • C:\Users\Admin\AppData\Local\Temp\TarAF4C.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • C:\Users\Admin\AppData\Local\Temp\tmp92CD.tmp

      Filesize

      1KB

      MD5

      00081de9e6ee92cc8b73412a62e92df2

      SHA1

      aa7474f7941f67b3a1c13df0eee9183f4d50b61c

      SHA256

      6e2ccaa0f5703a958354e173c71e4e58e201faf1a92c993c0280448194396db5

      SHA512

      d070e5f34288a4b15323067807b12247bdfb66dd1e8a6bd36e42d7e0b835d5c9cf5a76697e60ee43765fec5a05eb10865a87e300fd9bcb129d93f46c5727f67b

    • memory/2164-3-0x00000000005A0000-0x00000000005BA000-memory.dmp

      Filesize

      104KB

    • memory/2164-6-0x00000000072B0000-0x000000000732C000-memory.dmp

      Filesize

      496KB

    • memory/2164-5-0x0000000000630000-0x000000000063A000-memory.dmp

      Filesize

      40KB

    • memory/2164-4-0x00000000005D0000-0x00000000005D8000-memory.dmp

      Filesize

      32KB

    • memory/2164-25-0x0000000074940000-0x000000007502E000-memory.dmp

      Filesize

      6.9MB

    • memory/2164-2-0x0000000007480000-0x00000000074C0000-memory.dmp

      Filesize

      256KB

    • memory/2164-1-0x0000000074940000-0x000000007502E000-memory.dmp

      Filesize

      6.9MB

    • memory/2164-0-0x00000000002B0000-0x0000000000396000-memory.dmp

      Filesize

      920KB

    • memory/2636-30-0x00000000027F0000-0x0000000002830000-memory.dmp

      Filesize

      256KB

    • memory/2636-29-0x00000000027F0000-0x0000000002830000-memory.dmp

      Filesize

      256KB

    • memory/2636-32-0x000000006ED00000-0x000000006F2AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2636-31-0x000000006ED00000-0x000000006F2AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2636-26-0x000000006ED00000-0x000000006F2AB000-memory.dmp

      Filesize

      5.7MB

    • memory/2676-27-0x0000000004880000-0x00000000048C0000-memory.dmp

      Filesize

      256KB

    • memory/2676-28-0x0000000074940000-0x000000007502E000-memory.dmp

      Filesize

      6.9MB

    • memory/2676-24-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-17-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-20-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-22-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2676-15-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-99-0x0000000004880000-0x00000000048C0000-memory.dmp

      Filesize

      256KB

    • memory/2676-100-0x0000000074940000-0x000000007502E000-memory.dmp

      Filesize

      6.9MB