Analysis

  • max time kernel
    141s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 13:43

General

  • Target

    2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe

  • Size

    2.6MB

  • MD5

    9f2a81915020c076919d5e77ddfc1612

  • SHA1

    9e86c42e47dbe2c828dc95f228355515741c5fc3

  • SHA256

    2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991

  • SHA512

    1360a89f93b3ebcd681409af027085dfe3939197fcb250f2d3042b55adcf2c349ef8f4d397efd719206ee4ca8a32335befbac363a1d11050afa80a11d54efcf2

  • SSDEEP

    49152:8o0aPkOLYYrem09aZ0xj9QM+P0SyoAoKtAyH+KdyHps0n9GuZ8Lntix4Y:j0abLXrenaZ0Zf+ZyxowAQ+KuX9GuZC7

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe
    "C:\Users\Admin\AppData\Local\Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Users\Admin\AppData\Local\Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe
      C:\Users\Admin\AppData\Local\Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports" "--crash-count-file=C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\crash_count.txt" --url=https://crashstats-collector.opera.com/collector/submit --annotation=channel=Stable --annotation=plat=Win32 --annotation=prod=OperaDesktop --annotation=ver=87.0.4390.45 --initial-client-data=0x188,0x18c,0x190,0x15c,0x194,0x74dd2ed0,0x74dd2ee0,0x74dd2eec
      2⤵
      • Loads dropped DLL
      PID:1848
    • C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe
      "C:\Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe" --version
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    a9e204b8e2d00c9c889f39752c262109

    SHA1

    b5ce435252af5f4f1a351dc8318ead51a0fdf93e

    SHA256

    bae962480dbfb006196de1d96afd94f7d5f298a1ebdf8123313a8ee1b07e6acb

    SHA512

    86caae38f404424e59fb2343ad1ede0690a794e20371f7603a858683c99240da027e5d65b319802609edea05de8fe611f206bb32cd9b33c9d62a8b856fd604fa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    facb01ef8786fad662cc86abf8043d61

    SHA1

    f1e54cf5b4c2637148cb15edc8281f07f6926b4c

    SHA256

    83798541eb71458edc7d64c329149998f94d191af2031031bb86124e9771c979

    SHA512

    a173cb32ee2f09daaf7f480ca8ab24109c478c105c053ebf27a2f5630bc2eaf081ae06ab07b3ffd262dca5291d663dfca5341a977904eb35f3ad976242d7cccc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    c44d6dc6c97277ef42773353d4d0cb56

    SHA1

    de6cfd0b4cdb0f8679ef58c5305af0ca82a04164

    SHA256

    a239ff6d99b4daa26a036a2afde0548a9b2988aad9baa62a4bc513709992de3d

    SHA512

    c1876ea94251fb35c4794ba719852ba6196ccc4f84f400a23b970d5cd4c5bb7dcb90077e80085cab670bce9490ebb8e318e2dc5cb727a3b73641ce2446eec097

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    b701a76b4be03380f0c38dc7ac19a3af

    SHA1

    154c3aa5e5406026b60aab82a600b4dd5b18947f

    SHA256

    37dc8b72adc6673e1800ea5e5c4451911ca95656e12e6770a3f28090fa4b0f4b

    SHA512

    7116cfaa148456260bb67fcd547a9b56ed02fd84e10f1b54214673b831ad6eef9a3cc2dac85f18b89a94af92a8ec70239bf548981a7f84e7fe0e7e69e64f6abf

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1bf90c658a1d9547713b46f649aa0fa3

    SHA1

    d49ef76d576286c722e9fa8d61a6a943ba12c76c

    SHA256

    546b033ecd5e9725cdb8e582289c23bac8a817dd6f8c7cfaa7b2052cf1aef6d7

    SHA512

    cb8b7f83cf5bab879fe5d5d5a41b81ee47d3eb79760c7d4225ac921a48fa80446726b03c63465575aeff37fd36586e9644a1375293b0e781c9dd2a3817d4e938

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    183d534a2bbd3a163306535de380988e

    SHA1

    65e34b51390dfb9d0d02fe77bceb2e6a5523372f

    SHA256

    d11120b9e8799c16c1356db91639352f97706ffcf98587b54bdefdcf83095173

    SHA512

    fc4af1c05536cd02fc1f6e306fa025b895dba5ce2f19bdb64b0fd74d5bb07cdaf0afcad53e5e68dddfbe48068526c524bd1572d638066c2ca6e956297cea6688

  • C:\Users\Admin\AppData\Local\Temp\Cab24DF.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar24F3.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\Tar25E3.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Opera Software\Opera Stable\Crash Reports\settings.dat

    Filesize

    40B

    MD5

    f22863a59ad88359d18087221d05ba47

    SHA1

    85f266c90f9df4f82900b8a9a11147c6b59f6d21

    SHA256

    aa8d0053b8965d209e2d95d695f251fbb50c9959ba7f9d150872d2e425566986

    SHA512

    c60e4550ff4fdb957113e7bc7e9ab3feabd1d0155751b0254f3db982379213c49b15ffb74b3c8143a450767cb6efb1674054affc162521ce5d64f553256dd25c

  • \Users\Admin\AppData\Local\Temp\.opera\Opera Installer Temp\2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991.exe

    Filesize

    2.6MB

    MD5

    9f2a81915020c076919d5e77ddfc1612

    SHA1

    9e86c42e47dbe2c828dc95f228355515741c5fc3

    SHA256

    2bcd2bac1510b2a1993090e1e7d8dce4594b9e5a81cfc001fd505af6175c0991

    SHA512

    1360a89f93b3ebcd681409af027085dfe3939197fcb250f2d3042b55adcf2c349ef8f4d397efd719206ee4ca8a32335befbac363a1d11050afa80a11d54efcf2

  • \Users\Admin\AppData\Local\Temp\Opera_installer_2406121343514512196.dll

    Filesize

    4.5MB

    MD5

    ab31ce38494f5d9340f3004e0ffad04b

    SHA1

    b24870f6aafa0fedf67a15af4d0982b018def201

    SHA256

    35e0d13b0f56ed803d3fcdfd0a6ce7c9003fb17ec35dfcf40d2bcbe8cc5ec557

    SHA512

    660826013736f0edfbe54deee66eea4cb323c9629fefc400857b685f3ee5a04b087d748bbf5b6e10c0fa0ca185b798e97d1d4e8c03c1946671f4e00070512884

  • memory/1848-7-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/2196-17-0x0000000003480000-0x00000000039A5000-memory.dmp

    Filesize

    5.1MB

  • memory/2196-0-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/2196-546-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/2196-798-0x0000000002810000-0x0000000002D35000-memory.dmp

    Filesize

    5.1MB

  • memory/2196-799-0x0000000003480000-0x00000000039A5000-memory.dmp

    Filesize

    5.1MB

  • memory/2592-23-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB

  • memory/2592-19-0x0000000000400000-0x0000000000925000-memory.dmp

    Filesize

    5.1MB