Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    23/04/2026, 13:22

General

  • Target
    2026-04-23_3546bbcc5980f97f549eb93bbd824d19_blankgrabber_coinminer_icedid_luca-stealer_njrat.exe
  • Size 8.1MB
  • Sample260423-ql8j8aex2z
  • SHA256 a5851f86927ab2cb26b54e12bc27e41e1348617140e026af00ddc574f76d9bcb
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Family: blankgrabber

    Blankgrabber is an infostealer written in Python and packaged with Pyinstaller.

  • A stealer written in Python and packaged with Pyinstaller 1 IoCs
  • Custom signature
    Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Custom signature
    Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs
  • Custom signature
    Detects executables referencing many confidential data stores found in browsers, mail clients, crypt 1 IoCs
  • Custom signature
    Detects executables using Telegram Chat Bot 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 30 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.

  • Hide Artifacts: Ignore Process Interrupts 1 TTPs 3 IoCs

    Command interpreters often include specific commands/flags that ignore errors and other hangups.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-23_3546bbcc5980f97f549eb93bbd824d19_blankgrabber_coinminer_icedid_luca-stealer_njrat.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-23_3546bbcc5980f97f549eb93bbd824d19_blankgrabber_coinminer_icedid_luca-stealer_njrat.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3952
    • C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Built.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-23_3546bbcc5980f97f549eb93bbd824d19_blankgrabber_coinminer_icedid_luca-stealer_njrat.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:4276
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c "ver"
        3⤵
          PID:3096
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -Command "Get-Process -ErrorAction SilentlyContinue | Select-Object ProcessName, Id | ConvertTo-Json"
          3⤵
          • Hide Artifacts: Ignore Process Interrupts
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2400
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -Command "Get-Process -ErrorAction SilentlyContinue | Select-Object ProcessName, Id | ConvertTo-Json"
          3⤵
          • Hide Artifacts: Ignore Process Interrupts
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1244
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -NoProfile -Command "Get-Process -ErrorAction SilentlyContinue | Select-Object ProcessName, Id | ConvertTo-Json"
          3⤵
          • Hide Artifacts: Ignore Process Interrupts
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2680
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "ver"
          3⤵
            PID:1640
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c "wmic os get Caption /value"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:4836
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic os get Caption /value
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1540

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            • Size 3KB
            • SHA256 053b95bd7638b472ecc2cebab3709470dba7727f5ce68fcb1cb3f6df7f6e0ef8
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 6486f6b89cc0264676c594b2254d487933e77544f078030b85f3a48fdde7bd07
            • MD5 SHA1 SHA512 TLSH

            AOm8K.zip.enc

            • Path C:\Users\Admin\AppData\Local\Temp\AOm8K.zip.enc
            • Size 4KB
            • SHA256 45ba9bd97c1e15c1168c6e5d9bc776e99b59eaeac4f860856f94420df4ef5b28
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ghash_clmul.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Hash\_ghash_clmul.pyd
            • Size 12KB
            • SHA256 63d9bbdac4e8e2c95b1a41eb7a2b42047b6a0c8d36447165e32167d3c7a57aee
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _strxor.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\Crypto\Util\_strxor.pyd
            • Size 10KB
            • SHA256 c77f18f1f7a377bc388de0104abf4868d6f0c2ef7ef2b97b34d875cfc3040aac
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ctypes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_ctypes.pyd
            • Size 121KB
            • SHA256 b75560db79ba6fb56c393a4886eedd72e60df1e2f7f870fe2e356d08155f367b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _lzma.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_lzma.pyd
            • Size 155KB
            • SHA256 64ba475a28781dca81180a1b8722a81893704f8d8fac0b022c846fdcf95b15b9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _sqlite3.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\_sqlite3.pyd
            • Size 117KB
            • SHA256 bd3c36976854fa0c885bdd95fb4eb096e29b1967c1f043019b5fa5be1b7bde51
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libffi-8.dll

            • Path C:\Users\Admin\AppData\Local\Temp\ONEFIL~1\libffi-8.dll
            • Size 38KB
            • SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Google Chrome CredentialsCache.txt

            • Path C:\Users\Admin\AppData\Local\Temp\WnNr1PGRhl\Credentials\Google Chrome\Google Chrome CredentialsCache.txt
            • Size 41B
            • SHA256 25a86fdf15d880fa1e7651d7047526734443432f62a790095bb6fd004822b6c6
            • MD5 SHA1 SHA512

            Google Chrome FormTemplates.txt

            • Path C:\Users\Admin\AppData\Local\Temp\WnNr1PGRhl\Credentials\Google Chrome\Google Chrome FormTemplates.txt
            • Size 20B
            • SHA256 0da6c3fa76327e314fefcca417ad1be2df5d329d17e6a7701410993bcafd8144
            • MD5 SHA1 SHA512

            Google Chrome NavigationLog.txt

            • Path C:\Users\Admin\AppData\Local\Temp\WnNr1PGRhl\Credentials\Google Chrome\Google Chrome NavigationLog.txt
            • Size 18B
            • SHA256 99f8227bebf1ffe2d356cf563d1683c8ad7e308f0414c9d4d34902d92b158c03
            • MD5 SHA1 SHA512

            __PSScriptPolicyTest_alxi1bft.ewd.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_alxi1bft.ewd.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            Built.exe

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Built.exe
            • Size 11.0MB
            • SHA256 b2a5315aea2530ecce2e3ef5d1b0b20986cab8bfbe0ed9cfb1761a27d17670d1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _Salsa20.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Cipher\_Salsa20.pyd
            • Size 13KB
            • SHA256 9df33c5ee086899c69bd4f3d776b85a493b72e1316c3f8772ac1215d70068a28
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_aes.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Cipher\_raw_aes.pyd
            • Size 34KB
            • SHA256 520b343e44b5633bbc4fdcecc705a7f2eb6e55d082a1f3e4723ada9d7e5ea97d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_aesni.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Cipher\_raw_aesni.pyd
            • Size 15KB
            • SHA256 3818873f50418cbecde58150e9bffff7372d2c2067fc0b96ffac9482dfddd603
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_ctr.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Cipher\_raw_ctr.pyd
            • Size 14KB
            • SHA256 aeb1f2943a921684bd1edf752a6355e38de46466f56b3003f5b295fc30053732
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _raw_ecb.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Cipher\_raw_ecb.pyd
            • Size 10KB
            • SHA256 98f59f221f102db198c0d7425e8c93cdfa91ce5683d4cadd3f541e1dae0f79a2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _BLAKE2s.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Hash\_BLAKE2s.pyd
            • Size 13KB
            • SHA256 d1ed1ca3c6802954cd8ca6f5e419c54a357b4a04bb802bab876b04b942a4b862
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _SHA1.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Hash\_SHA1.pyd
            • Size 17KB
            • SHA256 8f80524247c830d9bb590d025e15ec34d7d337a16e5c4422e2da0448d06c88a6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _SHA256.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Hash\_SHA256.pyd
            • Size 21KB
            • SHA256 2d57abc0274265d2ab891fba840c05a34831f61ab5c21d0540fc43bd28cc5ae3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ghash_portable.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Hash\_ghash_portable.pyd
            • Size 12KB
            • SHA256 ca4c4e24af0d7f879f9cb73df6e27f83441071dd466c366a4f4b467101e50e21
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _scrypt.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Protocol\_scrypt.pyd
            • Size 12KB
            • SHA256 00c9b6915dfb9ed91e8d40c78f6b536c5ccdabd2760fcf9501d0522e97e2d600
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _cpuid_c.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\Crypto\Util\_cpuid_c.pyd
            • Size 10KB
            • SHA256 2af984819d9b1f95132520901b355eb85aa24d5efc6fc5ae9e77252ed03b7f4b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _bz2.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\_bz2.pyd
            • Size 82KB
            • SHA256 ab34b804da5b8e814b2178754d095a4e8aead77eefd3668da188769392cdb5f4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _hashlib.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\_hashlib.pyd
            • Size 63KB
            • SHA256 30adfb86513282e59d7e27968e1ff6686e43b8559994a50c17be66d0789f82b3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _queue.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\_queue.pyd
            • Size 31KB
            • SHA256 2bfd8459ba01c741d676f79ee96802fb2c29cb30f50301d67fde8bbce8e7e7d4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _socket.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\_socket.pyd
            • Size 77KB
            • SHA256 8956b11c07d08d289425e7240b8fa37841a27c435617dbbd02bfe3f9405f422b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            _ssl.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\_ssl.pyd
            • Size 172KB
            • SHA256 bca1f490c9f7ba25cbbb4b39785dda8aa651123e22d4e7edc299b218c8157a81
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libcrypto-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\libcrypto-3.dll
            • Size 4.9MB
            • SHA256 2a234b5aa20c3faecf725bbb54fb33f3d94543f78fa7045408e905593e49960a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            libssl-3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\libssl-3.dll
            • Size 771KB
            • SHA256 41ad1a04ca27a7959579e87fbbda87c93099616a64a0e66260c983381c5570d1
            • MD5 SHA1 SHA512 SSDEEP TLSH

            python311.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\python311.dll
            • Size 5.5MB
            • SHA256 5ecda62f6fd2822355c560412f6d90be46a7f763f0ffeec9854177904632ac2d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            select.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\select.pyd
            • Size 29KB
            • SHA256 e7fe45baef9cee192c65fcfce1790ccb6f3f9b81e86df82c08f838e86275af02
            • MD5 SHA1 SHA512 SSDEEP TLSH

            sqlite3.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\sqlite3.dll
            • Size 1.4MB
            • SHA256 5a8d544b341f50913d4925fb1b6982cc492d9b4a4e96c0583b61de6f141f67c9
            • MD5 SHA1 SHA512 SSDEEP TLSH

            unicodedata.pyd

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\unicodedata.pyd
            • Size 1.1MB
            • SHA256 71d27537eb1e6de76fd145da4fdcbc379dc54de7854c99b2e61aae00109c13d0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            vcruntime140.dll

            • Path C:\Users\Admin\AppData\Local\Temp\onefile_3952_134214502882432188\vcruntime140.dll
            • Size 116KB
            • SHA256 4d292623516f65c80482081e62d5dadb759dc16e851de5db24c3cbb57b87db83
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1244-116-0x00000169B7590000-0x00000169B759C000-memory.dmp

            memory/1244-117-0x00000169B9270000-0x00000169B9282000-memory.dmp

            memory/1244-109-0x00000169D1AF0000-0x00000169D1CB2000-memory.dmp

            memory/1244-101-0x00000169D1310000-0x00000169D1332000-memory.dmp

            memory/2400-114-0x0000025B46DE0000-0x0000025B46DEC000-memory.dmp

            memory/2400-115-0x0000025B48B40000-0x0000025B48B52000-memory.dmp

            memory/2400-110-0x0000025B61920000-0x0000025B61E48000-memory.dmp

            memory/2680-142-0x0000015B8EC30000-0x0000015B8EC3C000-memory.dmp

            memory/2680-143-0x0000015B90500000-0x0000015B90512000-memory.dmp