Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 15:40

General

  • Target

    Commercial offer+Technical offer_pdf.exe

  • Size

    642KB

  • MD5

    4806339fc2f24f3bab7fb6620826d603

  • SHA1

    edc14208fcbd256801a2062dde49a52dd4f2890d

  • SHA256

    5e0c5d2342ce0c3460d6c853a64efc16a89b9fe93372334d78163dfe7efb7e12

  • SHA512

    70f75834b884a5a1309ca4b52b4b8d01ed63bccfd22e9fa9035ae3ac83582e46325de6f91bf39fd391db531117579170391f1a7710e8ccf67833d962b44b2182

  • SSDEEP

    12288:ggu58UO/0Li3SaNlPhq7P9ekopAAT26ZvgVlmee/6BRERMHA+5QpU:gguuv0LPaNbqT9R2vgNeyTERMgm

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7557806283:AAFiqTWzN-gLgC-2y3c1Dz5CtqTp-HN6TYc/sendMessage?chat_id=7451270736

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Snakekeylogger family
  • Loads dropped DLL 1 IoCs
  • 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 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 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 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Commercial offer+Technical offer_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Commercial offer+Technical offer_pdf.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:540
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -windowstyle 1 "$Skiftebehandling=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\forurettendes\interventral\Tablespoonsful\Hpital.Svm';$thiosinamine=$Skiftebehandling.SubString(56308,3);.$thiosinamine($Skiftebehandling)
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • 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:528
      • C:\Users\Admin\AppData\Local\Temp\Mosel.exe
        "C:\Users\Admin\AppData\Local\Temp\Mosel.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Mosel.exe

    Filesize

    642KB

    MD5

    4806339fc2f24f3bab7fb6620826d603

    SHA1

    edc14208fcbd256801a2062dde49a52dd4f2890d

    SHA256

    5e0c5d2342ce0c3460d6c853a64efc16a89b9fe93372334d78163dfe7efb7e12

    SHA512

    70f75834b884a5a1309ca4b52b4b8d01ed63bccfd22e9fa9035ae3ac83582e46325de6f91bf39fd391db531117579170391f1a7710e8ccf67833d962b44b2182

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yone1ypp.41z.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\forurettendes\interventral\Tablespoonsful\Hpital.Svm

    Filesize

    55KB

    MD5

    5c3047a848544b49eb82d09ed58708f3

    SHA1

    27c59daa34a25319f77d2dfe91613a4669803e21

    SHA256

    72a4194d8fcae2e4cfa2bd19dda030d1a7a05f27b2cc5197b6fceffb6b9decf0

    SHA512

    d783fa64387306adc639d5051bb153c5437ceeb1dc5abbd71d28cd2e1019209b13e1188bc94ab0ebe14cb94daba838293592361ea29451695f41d995b08c3e6a

  • C:\Users\Admin\AppData\Local\Temp\forurettendes\interventral\Tablespoonsful\Ungrappling.Aft

    Filesize

    197KB

    MD5

    c5456a631a46305cb3526c31e9343f88

    SHA1

    bd8e00ea516f4cf63baeabf7a47826436a88550a

    SHA256

    e41c1ed91c989390d2ec88a3629bbfc63fddf1f2ae5b3eb84440888e65d68677

    SHA512

    6b13350a25698d31230cb14caebc8ab2996706df3e544e0745cf4b0248bd0f06710c53167fcca354d950b68fa59164678b3450a1a05b40e47b1dab89751fb2ed

  • memory/528-32-0x0000000007C30000-0x0000000007C62000-memory.dmp

    Filesize

    200KB

  • memory/528-24-0x0000000006800000-0x000000000681E000-memory.dmp

    Filesize

    120KB

  • memory/528-49-0x0000000007DF0000-0x0000000007E1A000-memory.dmp

    Filesize

    168KB

  • memory/528-12-0x0000000006120000-0x0000000006186000-memory.dmp

    Filesize

    408KB

  • memory/528-10-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-23-0x0000000006200000-0x0000000006554000-memory.dmp

    Filesize

    3.3MB

  • memory/528-25-0x0000000006830000-0x000000000687C000-memory.dmp

    Filesize

    304KB

  • memory/528-48-0x0000000007DA0000-0x0000000007DAA000-memory.dmp

    Filesize

    40KB

  • memory/528-26-0x0000000006D50000-0x0000000006DE6000-memory.dmp

    Filesize

    600KB

  • memory/528-27-0x0000000006D00000-0x0000000006D1A000-memory.dmp

    Filesize

    104KB

  • memory/528-28-0x00000000077C0000-0x00000000077E2000-memory.dmp

    Filesize

    136KB

  • memory/528-29-0x0000000007E40000-0x00000000083E4000-memory.dmp

    Filesize

    5.6MB

  • memory/528-47-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-31-0x0000000008A70000-0x00000000090EA000-memory.dmp

    Filesize

    6.5MB

  • memory/528-33-0x000000006F6B0000-0x000000006F6FC000-memory.dmp

    Filesize

    304KB

  • memory/528-34-0x000000006FDF0000-0x0000000070144000-memory.dmp

    Filesize

    3.3MB

  • memory/528-45-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-44-0x0000000007C70000-0x0000000007C8E000-memory.dmp

    Filesize

    120KB

  • memory/528-6-0x000000007322E000-0x000000007322F000-memory.dmp

    Filesize

    4KB

  • memory/528-46-0x0000000007CA0000-0x0000000007D43000-memory.dmp

    Filesize

    652KB

  • memory/528-8-0x0000000005940000-0x0000000005F68000-memory.dmp

    Filesize

    6.2MB

  • memory/528-11-0x0000000005840000-0x0000000005862000-memory.dmp

    Filesize

    136KB

  • memory/528-13-0x0000000006190000-0x00000000061F6000-memory.dmp

    Filesize

    408KB

  • memory/528-50-0x0000000008530000-0x0000000008554000-memory.dmp

    Filesize

    144KB

  • memory/528-51-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-52-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-54-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-9-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-56-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-57-0x000000007322E000-0x000000007322F000-memory.dmp

    Filesize

    4KB

  • memory/528-59-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-58-0x00000000090F0000-0x000000000BC1B000-memory.dmp

    Filesize

    43.2MB

  • memory/528-61-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/528-7-0x0000000003220000-0x0000000003256000-memory.dmp

    Filesize

    216KB

  • memory/528-63-0x0000000073220000-0x00000000739D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3988-78-0x0000000000480000-0x00000000004A0000-memory.dmp

    Filesize

    128KB

  • memory/3988-79-0x0000000022E90000-0x0000000022F2C000-memory.dmp

    Filesize

    624KB

  • memory/3988-76-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/3988-81-0x0000000023430000-0x0000000023480000-memory.dmp

    Filesize

    320KB

  • memory/3988-82-0x0000000023490000-0x0000000023652000-memory.dmp

    Filesize

    1.8MB

  • memory/3988-83-0x0000000023670000-0x0000000023702000-memory.dmp

    Filesize

    584KB

  • memory/3988-84-0x0000000023760000-0x000000002376A000-memory.dmp

    Filesize

    40KB