Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-09-2024 04:28

General

  • Target

    Ref_0120_03_0015.vbe

  • Size

    10KB

  • MD5

    1bfbb8267511f5aa010a24eea8797445

  • SHA1

    cdd1e3a4461537c7699ba7936612de22c86a39fc

  • SHA256

    6cf9aa51125a08f16c022984cf2f1bdc54831ca42b68854706acdd5e3c6dfaab

  • SHA512

    32d8c347abb8335e50b16e19142d7cd7ea6922e064a15f3ba766015975ae3d2b062c8b82a7f6f97a3384762987c7d406bde4229b2976fb1c6d6d7aa1157323d9

  • SSDEEP

    192:xzNM3lLrcABBqcDsPdSuXZlzrZ7gmUWoZl5WYleLMl/1uw5YOAxJ2HIK:FNElLAAKjBLf1UWobPlwMl/mcHp

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Blocklisted process makes network request 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • 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.

  • Checks processor information in registry 2 TTPs 6 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Ref_0120_03_0015.vbe"
    1⤵
    • Blocklisted process makes network request
    PID:5012
  • C:\Windows\System32\WScript.exe
    C:\Windows\System32\WScript.exe "C:\Users\Admin\AppData\Roaming\XyFxmbwAxbLpFCA.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:384
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "3028" "2740" "2676" "2744" "0" "0" "2748" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:3776
    • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"
      2⤵
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Windows\system32\wermgr.exe
        "C:\Windows\system32\wermgr.exe" "-outproc" "0" "3960" "2680" "2608" "2684" "0" "0" "2688" "0" "0" "0" "0" "0"
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        PID:4312
  • C:\Program Files (x86)\Windows Media Player\wmplayer.exe
    "C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding
    1⤵
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4224
    • C:\Windows\SysWOW64\unregmp2.exe
      "C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3308
      • C:\Windows\system32\unregmp2.exe
        "C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT
        3⤵
        • Enumerates connected drives
        • Suspicious use of AdjustPrivilegeToken
        PID:3232
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost
    1⤵
    • Drops file in Windows directory
    PID:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    3KB

    MD5

    9461a7cfb20ff5381df28f51b80c5ef1

    SHA1

    c86c53fca1dcbe307dafbefbb366abf52c9f5eca

    SHA256

    d4af1948337d0deb725f4f2b1fe1a9b60f4519841e28748b11bfd62ccd71e028

    SHA512

    da1e17f67dfebb004ba93d489be504fd7af6d62709ada2581ffa77880baecdaa0015b49d36333d18216d9dc6aad7b0ea2e5bd224d8d3f65ee9b66a05fc45e304

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

    Filesize

    256KB

    MD5

    a9582cb9912fd847e8bbcba947ce4987

    SHA1

    c05ee133c580bd97ad8c050b8b3a8f3fbd9b7566

    SHA256

    9d6d60adb6cbafe9d3e0af91ccfe8bae7f105db861763292ba777c3684056465

    SHA512

    5cb7dce29e9802d86f78843aec0907da4ed704989d3a1a507e5424c9386ebfc6f27115399cd9d12e8738e647099ab03b4e281065dba98d2e06100aeb34ab35cf

  • C:\Users\Admin\AppData\Local\Microsoft\Media Player\CurrentDatabase_400.wmdb

    Filesize

    1024KB

    MD5

    83fb6c06685190466a5a6a45f3de32f5

    SHA1

    3b4f0c4f905d01f38c87d61eb2846320e52c2e7e

    SHA256

    25fabf03a3ed576a1646b3061dc49ea4f8aedd44eee7cc7207b0522d551918ba

    SHA512

    41be41baba9a023c8442c12d1fc364eb09a1ae0bcb909e2e93660c0c47cd6f8d930285473ed7a1c6a9e83a1fbde7bd9093e4850014309af19a6f403f2b5d4837

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.DTD

    Filesize

    498B

    MD5

    90be2701c8112bebc6bd58a7de19846e

    SHA1

    a95be407036982392e2e684fb9ff6602ecad6f1e

    SHA256

    644fbcdc20086e16d57f31c5bad98be68d02b1c061938d2f5f91cbe88c871fbf

    SHA512

    d618b473b68b48d746c912ac5fc06c73b047bd35a44a6efc7a859fe1162d68015cf69da41a5db504dcbc4928e360c095b32a3b7792fcc6a38072e1ebd12e7cbe

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML

    Filesize

    9KB

    MD5

    5433eab10c6b5c6d55b7cbd302426a39

    SHA1

    c5b1604b3350dab290d081eecd5389a895c58de5

    SHA256

    23dbf7014e99e93af5f2760f18ee1370274f06a453145c8d539b66d798dad131

    SHA512

    207b40d6bec65ab147f963a5f42263ae5bf39857987b439a4fa1647bf9b40e99cdc43ff68b7e2463aa9a948284126ac3c9c7af8350c91134b36d8b1a9c61fd34

  • C:\Users\Admin\AppData\Local\Microsoft\Windows Media\12.0\WMSDKNS.XML.bak

    Filesize

    9KB

    MD5

    7050d5ae8acfbe560fa11073fef8185d

    SHA1

    5bc38e77ff06785fe0aec5a345c4ccd15752560e

    SHA256

    cb87767c4a384c24e4a0f88455f59101b1ae7b4fb8de8a5adb4136c5f7ee545b

    SHA512

    a7a295ac8921bb3dde58d4bcde9372ed59def61d4b7699057274960fa8c1d1a1daff834a93f7a0698e9e5c16db43af05e9fd2d6d7c9232f7d26ffcff5fc5900b

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

    Filesize

    53KB

    MD5

    a26df49623eff12a70a93f649776dab7

    SHA1

    efb53bd0df3ac34bd119adf8788127ad57e53803

    SHA256

    4ebde1c12625cb55034d47e5169f709b0bd02a8caa76b5b9854efad7f4710245

    SHA512

    e5f9b8645fb2a50763fcbffe877ca03e9cadf099fe2d510b74bfa9ff18d0a6563d11160e00f495eeefebde63450d0ade8d6b6a824e68bd8a59e1971dc842709c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lycvodfn.i5h.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\wmsetup.log

    Filesize

    1KB

    MD5

    ae9992736269b7c15254c9a0c182e0eb

    SHA1

    67a2ec98f8dd65c46744fb1683c99b30e9e9c290

    SHA256

    00291533b4a2ddffa3d1d7a506d66bf3fe7ce3b88425cea339583d5db5501d9e

    SHA512

    9066e25d6f4c89d85ac463d4f65127026fb65b2f677274062581620fbf2961dc0bc8774418f8bd27a149db32bce35abbffbfc0e4c78810d4cd750d2b372cf2ca

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    6KB

    MD5

    f3f93cc2e9ddeda1cdd832ed4d46271e

    SHA1

    d5be352e22fa02d6508d0d06f0ca8b3bc07939aa

    SHA256

    446de19b606570b1c2ae1e5793f28b0489d0511421e041448405d4c87eac3b49

    SHA512

    0db2b077c183ddc17d29e176ac971ce50e57db84de35dddd77670963daeccc09bfd84bc6cffc4f248b997a96cb95e00a0524f1a8a892b6949aca241fa353445b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    6KB

    MD5

    3d19ddf4460dc6fb428dd70f20f29fad

    SHA1

    d7ba57051a13de3c7d7b083732a7f0b0421736fe

    SHA256

    03ad5f74c59eaebafa863f9091c26f95265b6bd236901aa0e02d5a22479449b2

    SHA512

    3218bb1387b73e25bbc9c536cb01fa4462da25399b7704fbd0e5e7f5195c86277a89f2a0a82fd3ae1faf99a91651f26d6b4d2544685ee4b7f7dd7d929b2e6e69

  • C:\Users\Admin\AppData\Roaming\XyFxmbwAxbLpFCA.vbs

    Filesize

    2KB

    MD5

    25081523b6bad63a6a500c519275b1ea

    SHA1

    a30fbcf4955cca68a5a2e459a9e7e7aa63461780

    SHA256

    a4eba77734c0262a5ff039848fccd63609a96dab352b13fb608c1167e41e8b70

    SHA512

    9befb54290eaad6eb34f16f6dc21cd6f7b003ab2dba664b71cc40d2beda2d6af7f42a5b6e4a8eb1b08445ff6ebd7a9f9cae7140e2826706ea4839fe5f4415914

  • memory/384-93-0x00000000060A0000-0x00000000060F0000-memory.dmp

    Filesize

    320KB

  • memory/384-73-0x0000000000580000-0x00000000005A6000-memory.dmp

    Filesize

    152KB

  • memory/384-87-0x00000000052D0000-0x0000000005874000-memory.dmp

    Filesize

    5.6MB

  • memory/384-88-0x0000000004DC0000-0x0000000004E5C000-memory.dmp

    Filesize

    624KB

  • memory/384-94-0x00000000062C0000-0x0000000006482000-memory.dmp

    Filesize

    1.8MB

  • memory/384-95-0x0000000006190000-0x0000000006222000-memory.dmp

    Filesize

    584KB

  • memory/384-96-0x0000000006150000-0x000000000615A000-memory.dmp

    Filesize

    40KB

  • memory/3028-14-0x000001E3C0F10000-0x000001E3C0F54000-memory.dmp

    Filesize

    272KB

  • memory/3028-71-0x000001E3C0F00000-0x000001E3C0F0A000-memory.dmp

    Filesize

    40KB

  • memory/3028-72-0x000001E3C0F60000-0x000001E3C0F6A000-memory.dmp

    Filesize

    40KB

  • memory/3028-4-0x000001E3BE9B0000-0x000001E3BE9D2000-memory.dmp

    Filesize

    136KB

  • memory/3028-15-0x000001E3C0FE0000-0x000001E3C1056000-memory.dmp

    Filesize

    472KB