Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 03:45

General

  • Target

    ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe

  • Size

    732KB

  • MD5

    f03d0db80476652ed382c76708ef9eee

  • SHA1

    9af52befe94c41e3ffc0e2abca5f3df51ffbeb5d

  • SHA256

    ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90

  • SHA512

    fd179e6b9228bcf01143148a05f9c61083d068f6f1e5c0de29eb3360cfc1d1b0964e237b09f454e63c2e08c6ec6ca6bad8a3682a079ce242ec96c49dd090a17a

  • SSDEEP

    12288:j33ZyPIDwOw8ftv9+ZDO6DeMTLIHmz+WQ5VRQmOXgiVtp3g5Hdv2kiQPmoIbWYV:j33Z8MBiK6PIGCLVemOgQaHd2khPfIHV

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mcmkimya.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    kG9xExPyfQBnPtnzYTpg

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 1 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe
    "C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mDszsm.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mDszsm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE4E2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2688
    • C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe
      "C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cmvaaold.2xe.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE4E2.tmp

    Filesize

    1KB

    MD5

    f93d25a524a45a38ecf28fc3057a97ed

    SHA1

    4996b3b3698275cfd0dfb72170181c1e5b5e6b59

    SHA256

    0be1c7b23dc7b1e0e0dbc80a36d60220f5b70f267dbfe14c2de42e08b0566cca

    SHA512

    32b85b1fb27d41be2f9f7b494be0612d04bdef75e32c671dc3fb4d20528f0ca1c29043a84c5b7d17156cc1cdfba1f977d4825e806521e4f490874db48875218f

  • memory/436-73-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

    Filesize

    64KB

  • memory/436-72-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/436-65-0x0000000006440000-0x0000000006490000-memory.dmp

    Filesize

    320KB

  • memory/436-29-0x0000000005040000-0x00000000050A6000-memory.dmp

    Filesize

    408KB

  • memory/436-28-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

    Filesize

    64KB

  • memory/436-26-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/436-23-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2468-12-0x00000000052B0000-0x00000000052C0000-memory.dmp

    Filesize

    64KB

  • memory/2468-5-0x0000000005270000-0x000000000527A000-memory.dmp

    Filesize

    40KB

  • memory/2468-0-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-1-0x0000000000620000-0x00000000006DC000-memory.dmp

    Filesize

    752KB

  • memory/2468-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

    Filesize

    5.6MB

  • memory/2468-3-0x00000000050D0000-0x0000000005162000-memory.dmp

    Filesize

    584KB

  • memory/2468-11-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-10-0x0000000007B50000-0x0000000007BD6000-memory.dmp

    Filesize

    536KB

  • memory/2468-4-0x00000000052B0000-0x00000000052C0000-memory.dmp

    Filesize

    64KB

  • memory/2468-9-0x0000000005430000-0x000000000543E000-memory.dmp

    Filesize

    56KB

  • memory/2468-8-0x0000000005420000-0x000000000542A000-memory.dmp

    Filesize

    40KB

  • memory/2468-27-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/2468-7-0x0000000005350000-0x0000000005364000-memory.dmp

    Filesize

    80KB

  • memory/2468-6-0x0000000005360000-0x00000000053FC000-memory.dmp

    Filesize

    624KB

  • memory/4712-42-0x0000000005AB0000-0x0000000005ACE000-memory.dmp

    Filesize

    120KB

  • memory/4712-59-0x0000000007420000-0x0000000007A9A000-memory.dmp

    Filesize

    6.5MB

  • memory/4712-36-0x0000000004DA0000-0x0000000004E06000-memory.dmp

    Filesize

    408KB

  • memory/4712-22-0x0000000004E60000-0x0000000005488000-memory.dmp

    Filesize

    6.2MB

  • memory/4712-41-0x0000000005600000-0x0000000005954000-memory.dmp

    Filesize

    3.3MB

  • memory/4712-19-0x0000000004820000-0x0000000004830000-memory.dmp

    Filesize

    64KB

  • memory/4712-43-0x0000000005B00000-0x0000000005B4C000-memory.dmp

    Filesize

    304KB

  • memory/4712-44-0x000000007F310000-0x000000007F320000-memory.dmp

    Filesize

    64KB

  • memory/4712-46-0x00000000703B0000-0x00000000703FC000-memory.dmp

    Filesize

    304KB

  • memory/4712-45-0x0000000006080000-0x00000000060B2000-memory.dmp

    Filesize

    200KB

  • memory/4712-56-0x0000000006060000-0x000000000607E000-memory.dmp

    Filesize

    120KB

  • memory/4712-57-0x0000000004820000-0x0000000004830000-memory.dmp

    Filesize

    64KB

  • memory/4712-58-0x0000000006C80000-0x0000000006D23000-memory.dmp

    Filesize

    652KB

  • memory/4712-30-0x0000000004D00000-0x0000000004D22000-memory.dmp

    Filesize

    136KB

  • memory/4712-60-0x0000000006DE0000-0x0000000006DFA000-memory.dmp

    Filesize

    104KB

  • memory/4712-61-0x0000000006E50000-0x0000000006E5A000-memory.dmp

    Filesize

    40KB

  • memory/4712-62-0x0000000007060000-0x00000000070F6000-memory.dmp

    Filesize

    600KB

  • memory/4712-63-0x0000000006FE0000-0x0000000006FF1000-memory.dmp

    Filesize

    68KB

  • memory/4712-64-0x0000000007010000-0x000000000701E000-memory.dmp

    Filesize

    56KB

  • memory/4712-20-0x0000000004820000-0x0000000004830000-memory.dmp

    Filesize

    64KB

  • memory/4712-66-0x0000000007020000-0x0000000007034000-memory.dmp

    Filesize

    80KB

  • memory/4712-67-0x0000000007120000-0x000000000713A000-memory.dmp

    Filesize

    104KB

  • memory/4712-68-0x0000000007100000-0x0000000007108000-memory.dmp

    Filesize

    32KB

  • memory/4712-71-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4712-18-0x0000000074700000-0x0000000074EB0000-memory.dmp

    Filesize

    7.7MB

  • memory/4712-17-0x00000000021B0000-0x00000000021E6000-memory.dmp

    Filesize

    216KB