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
    18-10-2024 07:14

General

  • Target

    Materien.exe

  • Size

    752KB

  • MD5

    da48313586a7ed35308c3d7b730be3a8

  • SHA1

    3ccfbbce591a3f16cc620984d2be7929fd7c69a5

  • SHA256

    802900953255394194cffac091a16c4edbee0cacb91ea43823ed2e36b5b4a3c4

  • SHA512

    5fc0666e58ff30541c5205de42009ca9340308dd3c664b9b1e28ebaffdb7ee2ed24ad584b1de2157472ef2ce172dc84fee0521d6729c7e8af27573eeae49a186

  • SSDEEP

    12288:jGHXvdN4G9MMe/OdNDqJ83eCOyGOs61IYZVAecgs9FMa1Mdq8jJa:juNNesNlLDGMIYO7MoOa

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Loads dropped DLL 2 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 6 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 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.

  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Materien.exe
    "C:\Users\Admin\AppData\Local\Temp\Materien.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1400
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Totemistic=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Tillgspensionen.Ask';$Skomagermestrene=$Totemistic.SubString(54750,3);.$Skomagermestrene($Totemistic)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Users\Admin\AppData\Local\Temp\responseriets.exe
        "C:\Users\Admin\AppData\Local\Temp\responseriets.exe"
        3⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1248
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Totemistic=Get-Content -raw 'C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Tillgspensionen.Ask';$Skomagermestrene=$Totemistic.SubString(54750,3);.$Skomagermestrene($Totemistic)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3676
      • C:\Users\Admin\AppData\Local\Temp\responseriets.exe
        "C:\Users\Admin\AppData\Local\Temp\responseriets.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
        PID:1316

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\05DDC6AA91765AACACDB0A5F96DF8199

    Filesize

    854B

    MD5

    e935bc5762068caf3e24a2683b1b8a88

    SHA1

    82b70eb774c0756837fe8d7acbfeec05ecbf5463

    SHA256

    a8accfcfeb51bd73df23b91f4d89ff1a9eb7438ef5b12e8afda1a6ff1769e89d

    SHA512

    bed4f6f5357b37662623f1f8afed1a3ebf3810630b2206a0292052a2e754af9dcfe34ee15c289e3d797a8f33330e47c14cbefbc702f74028557ace29bf855f9e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    1KB

    MD5

    5c4d9413f56c30dfd546b7d0623f8dc9

    SHA1

    179b86ec8a371593a928d35db04da25104bd6ca4

    SHA256

    1f0b60c23cc18187d120c672dbd7d193fde9a4cda1848e237e68c1650176d967

    SHA512

    84a608e128b7b8720199e43b8dcb2e07f4f7cce6294dc531e208f0e1e54746ae5026c3745d7fc96718e3e4f41553a40d7b214b071291b6b3d3c3f0ef987138a8

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\6DA548C7E5915679F87E910D6581DEF1_831B21EC05D416A4ADB2370CD79ABCDD

    Filesize

    471B

    MD5

    30b8219664afbb8d78a27969e8755ca1

    SHA1

    31e8ce9f55ef615280b21beb3eb5fb2f823f41df

    SHA256

    91324c7e829db20de8d55d5a425c5ac46c5551023221d4e36e2b61218f30815a

    SHA512

    5eb0d0d99460e54f69581cf35c20841efdabe17255d12b03e9f460dff723e8f2980b166fa9b71b6042034aa6b6fd2d7a70536dd1176bb13fb5981bcae14d4f4f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C02877841121CC45139CB51404116B25_CFDBFDB29AA6A71EBDC3E04CD6E276F4

    Filesize

    472B

    MD5

    a1f013adb9ec5f40524a6635540e628f

    SHA1

    76ed661478849d5bbe5c847d1e05f81becdd67dd

    SHA256

    450676438e2163fea2e341a9756355502bc35acc46efc68264578dfa76b30ab2

    SHA512

    9426895082573c3f5cf12b20b27f1733c64e9fe69757394e49f7491509a0b397c5bdf07bd0ae6ac8821640c7759ebe17725a8f507eb878fff7750c3c0b557c27

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\05DDC6AA91765AACACDB0A5F96DF8199

    Filesize

    170B

    MD5

    c20da9f7f9ace75d42edc8d244eb5f17

    SHA1

    c8de97f2010d6577b0c518c354f5d294ca3b7c79

    SHA256

    32d85cf535c9f9e59a04bd9fd5d4e2469ea469d8471673213c7fc412e3b785be

    SHA512

    82d23ff2bea4b5f39025385a5b1fd8af95c74476ac14a7c9d6d9a99698616c640908795284c931326d3ccc8ab079915e0d80bbffc80ac9542eb732f856d1a9dd

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    410B

    MD5

    2f483486ee0861cd8fe8d4f98de1af40

    SHA1

    521f66b1ffd240b8db4c52e58d2d4d1019d20690

    SHA256

    a28204e60c20a4271fa213b0bd71d36392a0519db631e82440d69c18e200a39c

    SHA512

    67241ca4d0ad0fec1859e466ebb8de5c7c202101918ac8114819bfe26a8ec5af9a5460753d25ba1f239a61c04e182843d58d7ab297bc0d461571608044b68277

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\6DA548C7E5915679F87E910D6581DEF1_831B21EC05D416A4ADB2370CD79ABCDD

    Filesize

    402B

    MD5

    0209cdd7da195d4a480aa27dc5ff465d

    SHA1

    e8ef75e5e9f08af2ca4be33c481ce883f41bb372

    SHA256

    a3606617a1b4d800360e511e8d74c669574340d9678c331c476a397fe115c741

    SHA512

    c103cc168149bf722919b44b97fdade235c86a5e51cf54a0c50998b56ac6c8e797ab9d2a72b5969d88fcc9b838a70b969fd53a1f47f52af3130dd42d153c989a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C02877841121CC45139CB51404116B25_CFDBFDB29AA6A71EBDC3E04CD6E276F4

    Filesize

    398B

    MD5

    5b14d0861de4fa7f514c630af51699a4

    SHA1

    04b751eb874edbcb2d2d544331a3da598511cbc1

    SHA256

    693f06223f4976203765dea1f10809fd0746cb1d54fec3285d02b53426a90509

    SHA512

    bfd0a3cd10b2d7467d69f1e6fec089a81ce27325f0d9deb55b3ffbfbaf43a787fb94ada7bbc7a6a3744ac9a66d1e7be856e674530ee92e175546ff951f1dbdb6

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_r5bz2a1q.m3i.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    752KB

    MD5

    da48313586a7ed35308c3d7b730be3a8

    SHA1

    3ccfbbce591a3f16cc620984d2be7929fd7c69a5

    SHA256

    802900953255394194cffac091a16c4edbee0cacb91ea43823ed2e36b5b4a3c4

    SHA512

    5fc0666e58ff30541c5205de42009ca9340308dd3c664b9b1e28ebaffdb7ee2ed24ad584b1de2157472ef2ce172dc84fee0521d6729c7e8af27573eeae49a186

  • C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Disputpkr.Obj

    Filesize

    314KB

    MD5

    b3a6ae1fbef18fc7ed2d6c9a2349441b

    SHA1

    db868dce61b49f96cec7b4dc9356bf8e86262bb1

    SHA256

    da736ce450c5e470f291b965f43994010adf164f5539d659be3737ec271d9197

    SHA512

    b9db47aa9de54e2e4abafab6adda04f46e0962f4ac34eb01a32674e9dc0f6c54d9db9b029215e7c9d9bfe729fdb5f96657482bbc19b52a263e76ac8a4446a7d4

  • C:\Users\Admin\AppData\Local\Temp\superincomprehensible\Tillgspensionen.Ask

    Filesize

    53KB

    MD5

    1e72916a0e82da66cf7753db11b602a2

    SHA1

    322d0c1a058a5c4ba50f534137c45462dd8b989d

    SHA256

    8a7aca1e042680f82f1703da26587d5058e55cdc50a9da8bc7bd226d1a6748d4

    SHA512

    b32c7d41172e7df012277acb4f8662e1d5949db80d9a35a68433eaee8d740b46a0d3a068d6609140e86e846b0ac436e21e18ba7d85b17db3214cc7ef833af203

  • memory/1316-119-0x0000000000470000-0x00000000016C4000-memory.dmp

    Filesize

    18.3MB

  • memory/1316-131-0x0000000021DC0000-0x0000000021F82000-memory.dmp

    Filesize

    1.8MB

  • memory/1316-132-0x0000000021F90000-0x0000000022022000-memory.dmp

    Filesize

    584KB

  • memory/1316-126-0x00000000217D0000-0x000000002186C000-memory.dmp

    Filesize

    624KB

  • memory/1316-133-0x0000000022060000-0x000000002206A000-memory.dmp

    Filesize

    40KB

  • memory/1316-130-0x0000000021D70000-0x0000000021DC0000-memory.dmp

    Filesize

    320KB

  • memory/1316-123-0x0000000000470000-0x00000000016C4000-memory.dmp

    Filesize

    18.3MB

  • memory/1316-125-0x0000000000470000-0x0000000000496000-memory.dmp

    Filesize

    152KB

  • memory/1372-44-0x0000000007670000-0x00000000076A2000-memory.dmp

    Filesize

    200KB

  • memory/1372-56-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/1372-57-0x0000000007650000-0x000000000766E000-memory.dmp

    Filesize

    120KB

  • memory/1372-11-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/1372-70-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/1372-10-0x00000000054E0000-0x0000000005B08000-memory.dmp

    Filesize

    6.2MB

  • memory/1372-15-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/1372-46-0x0000000070D80000-0x00000000710D4000-memory.dmp

    Filesize

    3.3MB

  • memory/1372-21-0x0000000005C10000-0x0000000005F64000-memory.dmp

    Filesize

    3.3MB

  • memory/1372-45-0x0000000070600000-0x000000007064C000-memory.dmp

    Filesize

    304KB

  • memory/1372-6-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/1372-41-0x00000000077E0000-0x0000000007D84000-memory.dmp

    Filesize

    5.6MB

  • memory/1372-36-0x0000000006230000-0x000000000624E000-memory.dmp

    Filesize

    120KB

  • memory/1372-37-0x0000000006250000-0x000000000629C000-memory.dmp

    Filesize

    304KB

  • memory/1372-38-0x00000000067A0000-0x0000000006836000-memory.dmp

    Filesize

    600KB

  • memory/1372-40-0x0000000007200000-0x0000000007222000-memory.dmp

    Filesize

    136KB

  • memory/1372-78-0x0000000008A90000-0x0000000009D78000-memory.dmp

    Filesize

    18.9MB

  • memory/1372-39-0x0000000006740000-0x000000000675A000-memory.dmp

    Filesize

    104KB

  • memory/1372-80-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/1372-90-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/1372-83-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/1372-84-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-72-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-85-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-91-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-82-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-81-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-43-0x0000000008900000-0x0000000008F7A000-memory.dmp

    Filesize

    6.5MB

  • memory/3676-73-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-75-0x00000000083C0000-0x00000000083E4000-memory.dmp

    Filesize

    144KB

  • memory/3676-74-0x0000000007C80000-0x0000000007CAA000-memory.dmp

    Filesize

    168KB

  • memory/3676-35-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-14-0x0000000005F60000-0x0000000005FC6000-memory.dmp

    Filesize

    408KB

  • memory/3676-71-0x0000000007C40000-0x0000000007C4A000-memory.dmp

    Filesize

    40KB

  • memory/3676-58-0x0000000070600000-0x000000007064C000-memory.dmp

    Filesize

    304KB

  • memory/3676-12-0x00000000057C0000-0x00000000057E2000-memory.dmp

    Filesize

    136KB

  • memory/3676-13-0x0000000005EF0000-0x0000000005F56000-memory.dmp

    Filesize

    408KB

  • memory/3676-69-0x0000000007B10000-0x0000000007BB3000-memory.dmp

    Filesize

    652KB

  • memory/3676-9-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-59-0x0000000070D80000-0x00000000710D4000-memory.dmp

    Filesize

    3.3MB

  • memory/3676-8-0x0000000074170000-0x0000000074920000-memory.dmp

    Filesize

    7.7MB

  • memory/3676-7-0x00000000030A0000-0x00000000030D6000-memory.dmp

    Filesize

    216KB