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Analysis

  • max time kernel
    140s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2023, 12:49

General

  • Target

    NEAS.895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880exe.exe

  • Size

    660KB

  • MD5

    0a9a21411a503e7617ffe3c1fe190e8c

  • SHA1

    8298c8a9fa4c288ecdea34d8d493d511c3c22bee

  • SHA256

    895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880

  • SHA512

    b970b5b05b041061689fe445601f312e5cf819d349ad38d9b78e4c8bedda228a7fee52574dd3fd1ddeaf8b252d1cd6e61d39e2abf4be09964d765c01e5de52f5

  • SSDEEP

    12288:epoadswFckSxQPGRVax4VMU5ZcFnMGokXgVj4mTXyXLX:epoadBSxxQPGux4GeQnHodSma

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Loverboy@123

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880exe.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880exe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\acvliyEf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4120
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\acvliyEf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF944.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2924
    • C:\Users\Admin\AppData\Local\Temp\NEAS.895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880exe.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880exe.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.895780bd55fdc39fcd442cf3e0b84019798a6b4d09fa160c323edf120eeae880exe.exe.log

    Filesize

    1KB

    MD5

    b7b9acb869ccc7f7ecb5304ec0384dee

    SHA1

    6a90751c95817903ee833d59a0abbef425a613b3

    SHA256

    8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

    SHA512

    7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ilowgxmg.gw4.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF944.tmp

    Filesize

    1KB

    MD5

    a011aaa9939d8411e0290aedb4520e6f

    SHA1

    b525d5ad64cb56d3b6e921e0fe42ba7e3a2b8253

    SHA256

    a7f0538e1957da43f375993410c32e22a224ee7d5ef8629d3a1183f50fb0304f

    SHA512

    f0b22bb3b47aa168fd10a18a1240a53e3c1c30c31fd981bd26f1d136f32b476d63d18d29c0eae104ff28f21f538089e6eeace5173ba4b8f634935424a3157bf5

  • memory/4120-31-0x0000000005F60000-0x0000000005FC6000-memory.dmp

    Filesize

    408KB

  • memory/4120-62-0x0000000007BF0000-0x0000000007C86000-memory.dmp

    Filesize

    600KB

  • memory/4120-73-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4120-70-0x0000000005190000-0x00000000051A0000-memory.dmp

    Filesize

    64KB

  • memory/4120-69-0x0000000007CB0000-0x0000000007CB8000-memory.dmp

    Filesize

    32KB

  • memory/4120-68-0x0000000007CD0000-0x0000000007CEA000-memory.dmp

    Filesize

    104KB

  • memory/4120-67-0x0000000007BD0000-0x0000000007BE4000-memory.dmp

    Filesize

    80KB

  • memory/4120-41-0x0000000006260000-0x00000000065B4000-memory.dmp

    Filesize

    3.3MB

  • memory/4120-65-0x0000000007BC0000-0x0000000007BCE000-memory.dmp

    Filesize

    56KB

  • memory/4120-64-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4120-17-0x0000000005090000-0x00000000050C6000-memory.dmp

    Filesize

    216KB

  • memory/4120-18-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4120-19-0x0000000005190000-0x00000000051A0000-memory.dmp

    Filesize

    64KB

  • memory/4120-63-0x0000000007B70000-0x0000000007B81000-memory.dmp

    Filesize

    68KB

  • memory/4120-22-0x00000000057D0000-0x0000000005DF8000-memory.dmp

    Filesize

    6.2MB

  • memory/4120-42-0x0000000006630000-0x000000000664E000-memory.dmp

    Filesize

    120KB

  • memory/4120-21-0x0000000005190000-0x00000000051A0000-memory.dmp

    Filesize

    64KB

  • memory/4120-61-0x00000000079E0000-0x00000000079EA000-memory.dmp

    Filesize

    40KB

  • memory/4120-60-0x0000000007970000-0x000000000798A000-memory.dmp

    Filesize

    104KB

  • memory/4120-59-0x0000000007FB0000-0x000000000862A000-memory.dmp

    Filesize

    6.5MB

  • memory/4120-58-0x0000000007850000-0x00000000078F3000-memory.dmp

    Filesize

    652KB

  • memory/4120-30-0x0000000005EC0000-0x0000000005EE2000-memory.dmp

    Filesize

    136KB

  • memory/4120-56-0x0000000006C10000-0x0000000006C2E000-memory.dmp

    Filesize

    120KB

  • memory/4120-46-0x0000000070620000-0x000000007066C000-memory.dmp

    Filesize

    304KB

  • memory/4120-45-0x0000000007610000-0x0000000007642000-memory.dmp

    Filesize

    200KB

  • memory/4120-66-0x0000000005190000-0x00000000051A0000-memory.dmp

    Filesize

    64KB

  • memory/4120-44-0x000000007F5B0000-0x000000007F5C0000-memory.dmp

    Filesize

    64KB

  • memory/4120-43-0x0000000006690000-0x00000000066DC000-memory.dmp

    Filesize

    304KB

  • memory/4368-8-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4368-7-0x0000000005410000-0x000000000541E000-memory.dmp

    Filesize

    56KB

  • memory/4368-1-0x0000000000450000-0x00000000004FC000-memory.dmp

    Filesize

    688KB

  • memory/4368-5-0x0000000004F00000-0x0000000004F10000-memory.dmp

    Filesize

    64KB

  • memory/4368-6-0x0000000004F30000-0x0000000004F3A000-memory.dmp

    Filesize

    40KB

  • memory/4368-11-0x00000000067E0000-0x000000000685A000-memory.dmp

    Filesize

    488KB

  • memory/4368-9-0x0000000004F00000-0x0000000004F10000-memory.dmp

    Filesize

    64KB

  • memory/4368-26-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4368-12-0x000000000A410000-0x000000000A4AC000-memory.dmp

    Filesize

    624KB

  • memory/4368-0-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4368-4-0x0000000004FF0000-0x0000000005344000-memory.dmp

    Filesize

    3.3MB

  • memory/4368-2-0x0000000005500000-0x0000000005AA4000-memory.dmp

    Filesize

    5.6MB

  • memory/4368-3-0x0000000004F50000-0x0000000004FE2000-memory.dmp

    Filesize

    584KB

  • memory/4368-10-0x00000000054E0000-0x00000000054EA000-memory.dmp

    Filesize

    40KB

  • memory/4932-27-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4932-28-0x0000000005710000-0x0000000005776000-memory.dmp

    Filesize

    408KB

  • memory/4932-57-0x0000000006660000-0x00000000066B0000-memory.dmp

    Filesize

    320KB

  • memory/4932-29-0x00000000057E0000-0x00000000057F0000-memory.dmp

    Filesize

    64KB

  • memory/4932-74-0x00000000749A0000-0x0000000075150000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-75-0x00000000057E0000-0x00000000057F0000-memory.dmp

    Filesize

    64KB