Analysis

  • max time kernel
    143s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    25-10-2021 18:06

General

  • Target

    f88c058646225de6e3cddc39ea0c9ff7.exe

  • Size

    1.4MB

  • MD5

    f88c058646225de6e3cddc39ea0c9ff7

  • SHA1

    a7987fab49ee81b9a86965bd6dbd14bc0140a27c

  • SHA256

    8dca2819e4395eb497f4246dc808a5efb1cd805a70825bda636240facd8dd66c

  • SHA512

    c6a7a330372ce389758e4339954b248e825df0b8872f01993aa547fba816fbaa91086d61f30fdaf25bd35ff0bbe550ccc4b73c5b061916a62a2380b9ced9352f

Malware Config

Signatures

  • suricata: ET MALWARE Win32/Voltron/Spectre Stealer Checkin Activity (GET)

    suricata: ET MALWARE Win32/Voltron/Spectre Stealer Checkin Activity (GET)

  • suricata: ET MALWARE Win32/Voltron/Spectre Stealer CnC Activity (POST)

    suricata: ET MALWARE Win32/Voltron/Spectre Stealer CnC Activity (POST)

  • suricata: ET MALWARE Win32/Voltron/Spectre Stealer Download Activity (GET)

    suricata: ET MALWARE Win32/Voltron/Spectre Stealer Download Activity (GET)

  • suricata: ET MALWARE Win32/Voltron/Spectre Stealer Sending OS Information (POST)

    suricata: ET MALWARE Win32/Voltron/Spectre Stealer Sending OS Information (POST)

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f88c058646225de6e3cddc39ea0c9ff7.exe
    "C:\Users\Admin\AppData\Local\Temp\f88c058646225de6e3cddc39ea0c9ff7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\f88c058646225de6e3cddc39ea0c9ff7.exe
      "C:\Users\Admin\AppData\Local\Temp\f88c058646225de6e3cddc39ea0c9ff7.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:516
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C cd "C:\Users\Admin\AppData\Roaming\IronPortCenter" & unzip.exe -o libraries.zip
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
          unzip.exe -o libraries.zip
          4⤵
          • Executes dropped EXE
          PID:1268
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe /accepteula kernel > "C:\Users\Admin\AppData\Roaming\IronPortCenter\os_out"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1712
        • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
          C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe /accepteula kernel
          4⤵
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:1644
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C powershell "$s=(New-Object -COM WScript.Shell).CreateShortcut('%userprofile%\Start Menu\Programs\Startup\IronPortCenter.lnk');$s.TargetPath='C:\Users\Admin\AppData\Local\Temp\f88c058646225de6e3cddc39ea0c9ff7.exe';$s.Save()"
        3⤵
          PID:1152
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe x "C:\Users\Admin\AppData\Local\temp\chromium89.7z" -o"C:\Users\Admin\AppData\Roaming"
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1724
          • C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
            C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe x "C:\Users\Admin\AppData\Local\temp\chromium89.7z" -o"C:\Users\Admin\AppData\Roaming"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1604

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    System Information Discovery

    2
    T1082

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\temp\chromium89.7z
      MD5

      4c127ed294686a00b6bc414c3984c185

      SHA1

      128b851818a350e9ee46cd1ef7e8bb19dee759cd

      SHA256

      65f335226ab7d0b47d424aa3391c240352c25dddbc666b12c67c583140691d2c

      SHA512

      7cc88e3caabd42652030f441d867b577b7ab2fc1b7886f69c43745778918323d551ddd5e61218cfa54b2d40338cc2f111983ce583df9f1eb8aada530ce645aaf

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
      MD5

      0184e6ebe133ef41a8cc6ef98a263712

      SHA1

      cb9f603e061aef833a2db501aa8ba6ba007d768e

      SHA256

      dd6d7af00ef4ca89a319a230cdd094275c3a1d365807fe5b34133324bdaa0229

      SHA512

      6fec04e7369858970063e94358aec7fe872886b5ea440b4a11713b08511ba3ebe8f3d9312e32883b38bae66e42bc8e208e11678c383a5ad0f7cc0abe29c3a8ed

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
      MD5

      0184e6ebe133ef41a8cc6ef98a263712

      SHA1

      cb9f603e061aef833a2db501aa8ba6ba007d768e

      SHA256

      dd6d7af00ef4ca89a319a230cdd094275c3a1d365807fe5b34133324bdaa0229

      SHA512

      6fec04e7369858970063e94358aec7fe872886b5ea440b4a11713b08511ba3ebe8f3d9312e32883b38bae66e42bc8e208e11678c383a5ad0f7cc0abe29c3a8ed

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\MSVCP140.dll
      MD5

      9dda681b0406c3575e666f52cbde4f80

      SHA1

      1951c5b2c689534cdc2fbfbc14abbf9600a66086

      SHA256

      1ecd899f18b58a7915069e17582b8bf9f491a907c3fdf22b1ba1cbb2727b69b3

      SHA512

      753d0af201d5c91b50e7d1ed54f44ee3c336f8124ba7a5e86b53836df520eb2733b725b877f83fda6a9a7768379b5f6fafa0bd3890766b4188ebd337272e9512

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\VCRUNTIME140.dll
      MD5

      e79ef25890b214b13a7473e52330d0ec

      SHA1

      e47cbd0000a1f6132d74f5e767ad91973bd772d8

      SHA256

      7a114a9c1ca86e532d7f38e81c48f24ef2bfe6084f6056b3d4c3566ba43003d6

      SHA512

      dabed378fccfabc10486747fc70cf51a4fcc5b88f869c8a2fa4df30caa83a3af086c89e23806b7a291756da957a97c80a9b834a05e1d8ee7bd5c7159458c537a

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\libraries.zip
      MD5

      dc28d93d4ffd9849985c0dedf6425074

      SHA1

      224d0b1ddb2952372d66495e6432d826b3bfac02

      SHA256

      53515197bbbc76b3b7e6b0c5da2c078cc71d7c86208ca04ea5e5fca92547d2c2

      SHA512

      a91b78ecbcafd54e327700b494ef56ed85f270cba46765f5fcae3d4a8f9b80074a663c9d29e842ea55a7398cc650edec9a7667e0a1de87f43bf5f0a1f71cf1ff

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\mozglue.dll
      MD5

      beee632711993fe38cf290a9d301df42

      SHA1

      5c4b214cf77b0e781124b8295ec55263b90d0707

      SHA256

      f7e8d6214a4ffc3188adf133fcbe9f036571a6b6c90718eadbb10339f27c9d9b

      SHA512

      c00ebcc7b12ec456046f95e128cf23636d9fa2af6877a4e994858f8f97088f569dbd720f130db243e0f6f382b60b9636a52d151435f8d65c7eaab3025b1af97f

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\nss3.dll
      MD5

      0cab66732ed0978c1c5d2c378613c504

      SHA1

      8d3102b25a1fd36e0f9d4a33f05da107065f0e7a

      SHA256

      101f57145ea784442b4bc267fdfcfab754ee664ca974138838ece9fc4bb4c84d

      SHA512

      cc49bf303158788023295fb406eec9886b44297e3be5d06a1f14d793d09bf66609025731b2c6c97ade17e9c8d4da480d4ba53ac427dcc459fcae9678b8f767da

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\os_out
      MD5

      7bbdd17b9a62d70625f77822a03209dc

      SHA1

      89086a3ffea1d4ad669f9043ac60e722189389fb

      SHA256

      55e03661b7f7628701f1fd5db57e8390707a51de389e83b1795cd883b6e3e3ef

      SHA512

      cc7962ae0acbe7ea758a95945a555207344fa91b9362751db2acc770c863ee0bc536e665dff99271b5475570345634a1a889a41479923b285b7bef3baa165854

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\sqlite3.dll
      MD5

      9502f3ae1cc9398671edfd461275d78d

      SHA1

      61e7dbbc8b44db32fa9d3841275718dbd163cd45

      SHA256

      badca203e5d4d79d2107b9ec2c64547157288a43932bb973719375e9ed8d5d12

      SHA512

      79d5e5875218bbc6288500c29b72845fb6427b9cefe9916c13c3301c0c7e02c21a576a597e74532b41932ec4343a21599c252ad5b34c547650f9c5f817ab09eb

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
      MD5

      75375c22c72f1beb76bea39c22a1ed68

      SHA1

      e1652b058195db3f5f754b7ab430652ae04a50b8

      SHA256

      8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

      SHA512

      1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

    • C:\Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
      MD5

      75375c22c72f1beb76bea39c22a1ed68

      SHA1

      e1652b058195db3f5f754b7ab430652ae04a50b8

      SHA256

      8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

      SHA512

      1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

    • \Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
      MD5

      0184e6ebe133ef41a8cc6ef98a263712

      SHA1

      cb9f603e061aef833a2db501aa8ba6ba007d768e

      SHA256

      dd6d7af00ef4ca89a319a230cdd094275c3a1d365807fe5b34133324bdaa0229

      SHA512

      6fec04e7369858970063e94358aec7fe872886b5ea440b4a11713b08511ba3ebe8f3d9312e32883b38bae66e42bc8e208e11678c383a5ad0f7cc0abe29c3a8ed

    • \Users\Admin\AppData\Roaming\IronPortCenter\7za.exe
      MD5

      0184e6ebe133ef41a8cc6ef98a263712

      SHA1

      cb9f603e061aef833a2db501aa8ba6ba007d768e

      SHA256

      dd6d7af00ef4ca89a319a230cdd094275c3a1d365807fe5b34133324bdaa0229

      SHA512

      6fec04e7369858970063e94358aec7fe872886b5ea440b4a11713b08511ba3ebe8f3d9312e32883b38bae66e42bc8e208e11678c383a5ad0f7cc0abe29c3a8ed

    • \Users\Admin\AppData\Roaming\IronPortCenter\PsInfo64.exe
      MD5

      efa2f8f73b3559711149dfdeb8bc288e

      SHA1

      453c70e4b12ecabe860866165ad39de6361215fd

      SHA256

      ef5cf80c8448bf0907c634a3251cc348b1d36bb5ad8f31f23b11d12aa7f63bcb

      SHA512

      63f75a3d639a912e2e3966e9d410f8e1c52b75300518bb5083853ef2633c7e109c037ea2b66ced57bd5b319866a14bcd92254cb38ab9ec7b99465b0a8a8f5f3e

    • \Users\Admin\AppData\Roaming\IronPortCenter\mozglue.dll
      MD5

      beee632711993fe38cf290a9d301df42

      SHA1

      5c4b214cf77b0e781124b8295ec55263b90d0707

      SHA256

      f7e8d6214a4ffc3188adf133fcbe9f036571a6b6c90718eadbb10339f27c9d9b

      SHA512

      c00ebcc7b12ec456046f95e128cf23636d9fa2af6877a4e994858f8f97088f569dbd720f130db243e0f6f382b60b9636a52d151435f8d65c7eaab3025b1af97f

    • \Users\Admin\AppData\Roaming\IronPortCenter\msvcp140.dll
      MD5

      9dda681b0406c3575e666f52cbde4f80

      SHA1

      1951c5b2c689534cdc2fbfbc14abbf9600a66086

      SHA256

      1ecd899f18b58a7915069e17582b8bf9f491a907c3fdf22b1ba1cbb2727b69b3

      SHA512

      753d0af201d5c91b50e7d1ed54f44ee3c336f8124ba7a5e86b53836df520eb2733b725b877f83fda6a9a7768379b5f6fafa0bd3890766b4188ebd337272e9512

    • \Users\Admin\AppData\Roaming\IronPortCenter\nss3.dll
      MD5

      0cab66732ed0978c1c5d2c378613c504

      SHA1

      8d3102b25a1fd36e0f9d4a33f05da107065f0e7a

      SHA256

      101f57145ea784442b4bc267fdfcfab754ee664ca974138838ece9fc4bb4c84d

      SHA512

      cc49bf303158788023295fb406eec9886b44297e3be5d06a1f14d793d09bf66609025731b2c6c97ade17e9c8d4da480d4ba53ac427dcc459fcae9678b8f767da

    • \Users\Admin\AppData\Roaming\IronPortCenter\sqlite3.dll
      MD5

      9502f3ae1cc9398671edfd461275d78d

      SHA1

      61e7dbbc8b44db32fa9d3841275718dbd163cd45

      SHA256

      badca203e5d4d79d2107b9ec2c64547157288a43932bb973719375e9ed8d5d12

      SHA512

      79d5e5875218bbc6288500c29b72845fb6427b9cefe9916c13c3301c0c7e02c21a576a597e74532b41932ec4343a21599c252ad5b34c547650f9c5f817ab09eb

    • \Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
      MD5

      75375c22c72f1beb76bea39c22a1ed68

      SHA1

      e1652b058195db3f5f754b7ab430652ae04a50b8

      SHA256

      8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

      SHA512

      1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

    • \Users\Admin\AppData\Roaming\IronPortCenter\unzip.exe
      MD5

      75375c22c72f1beb76bea39c22a1ed68

      SHA1

      e1652b058195db3f5f754b7ab430652ae04a50b8

      SHA256

      8d9b5190aace52a1db1ac73a65ee9999c329157c8e88f61a772433323d6b7a4a

      SHA512

      1b396e78e189185eefb8c6058aa7e6dfe1b8f2dff8babfe4ffbee93805467bf45760eea6efb8d9bb2040d0eaa56841d457b1976dcfe13ed67931ade01419f55a

    • \Users\Admin\AppData\Roaming\IronPortCenter\vcruntime140.dll
      MD5

      e79ef25890b214b13a7473e52330d0ec

      SHA1

      e47cbd0000a1f6132d74f5e767ad91973bd772d8

      SHA256

      7a114a9c1ca86e532d7f38e81c48f24ef2bfe6084f6056b3d4c3566ba43003d6

      SHA512

      dabed378fccfabc10486747fc70cf51a4fcc5b88f869c8a2fa4df30caa83a3af086c89e23806b7a291756da957a97c80a9b834a05e1d8ee7bd5c7159458c537a

    • memory/516-65-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/516-60-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/516-57-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/516-58-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/516-59-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/516-64-0x0000000074F61000-0x0000000074F63000-memory.dmp
      Filesize

      8KB

    • memory/516-63-0x0000000000437122-mapping.dmp
    • memory/516-62-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/516-61-0x0000000000400000-0x0000000000479000-memory.dmp
      Filesize

      484KB

    • memory/992-66-0x0000000000000000-mapping.dmp
    • memory/1044-55-0x0000000000270000-0x0000000000276000-memory.dmp
      Filesize

      24KB

    • memory/1044-56-0x0000000000270000-0x000000000027A000-memory.dmp
      Filesize

      40KB

    • memory/1152-88-0x0000000000000000-mapping.dmp
    • memory/1268-70-0x0000000000000000-mapping.dmp
    • memory/1604-93-0x0000000000000000-mapping.dmp
    • memory/1644-75-0x0000000000000000-mapping.dmp
    • memory/1712-73-0x0000000000000000-mapping.dmp
    • memory/1724-89-0x0000000000000000-mapping.dmp