Analysis

  • max time kernel
    138s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 17:03

General

  • Target

    0bb1c29f4a8c046e798cd9781cc127a7.exe

  • Size

    876KB

  • MD5

    0bb1c29f4a8c046e798cd9781cc127a7

  • SHA1

    bbad89c8d04b20f63d36014f00ded3818e595a53

  • SHA256

    139b8756b01add9dcac07d3a0137b0ea49a932fc4804ad0eca63ffc2958eda72

  • SHA512

    4b439bd85c725f104be24956525a6ae1a16dba28fe254695cbd667933d0cce2225e9a0f934ef17e1f5ef65ac033aa6ed72d016e3bed0bf270dd3d1eef12de63f

  • SSDEEP

    12288:+nkguFRskuUAlWC/44toU73kJiIWK4vV9BrFZsk1q1/1Yah2UKbnltqvTmDcN:0kEkuUAlV46zbk6K6VVZsuSYgF+qvH

Malware Config

Extracted

Family

blustealer

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @@@@@@

Signatures

  • A310logger

    A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • A310logger Executable 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bb1c29f4a8c046e798cd9781cc127a7.exe
    "C:\Users\Admin\AppData\Local\Temp\0bb1c29f4a8c046e798cd9781cc127a7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JacGDBJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE244.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1660
    • C:\Users\Admin\AppData\Local\Temp\0bb1c29f4a8c046e798cd9781cc127a7.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1712
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • outlook_office_path
        • outlook_win_path
        PID:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab23A9.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar23DB.tmp

    Filesize

    95KB

    MD5

    34b43f8ae571926950496ea94c183aec

    SHA1

    c0897a8ad7f5ee50a04275370a04764996d46a29

    SHA256

    efef93be71f541b1121b192527765bf098f1724b3781bd4c9fa5296edbb52849

    SHA512

    d191023cf4b5141b22ea15b0098008c8d1e91de3179c1ae00a8ea22a60ff264cfdc9f0d2e73c68086957eb076b982481526831310e093a996b6ea53ce9ee3e74

  • C:\Users\Admin\AppData\Local\Temp\tmpE244.tmp

    Filesize

    1KB

    MD5

    12327b566a0aabb17217e8c6d527f677

    SHA1

    9ff043645407417f63e0cb8d805bcb00a10e22d5

    SHA256

    08eeb2b79f5bfa4051828a8e45546bc2c3292c0daec1ea9e8ca3266fda563066

    SHA512

    b83f8c8e1336c361b7266d3520f923f95c0d965655bff784c98726a6ffae72360784ef2cc69dcefd7fa36fb2e7082401fb6cb2ad2b1b72fa489e3d641397836b

  • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\TEMPLA~1\Y3AESD~1.ZIP

    Filesize

    285KB

    MD5

    40a9752d59f2883e40d928f85a749008

    SHA1

    c60fb58eff64a7969b46f3934766f991352eeb47

    SHA256

    ef95540ec8dae3d255439fb847d26397c265b5cccda5ed0d6b9ed3dda14a2820

    SHA512

    ce33985f91103315accb1039635488d7e144df264bab8e164c1f9844ce6923e1c9c76349f14542901887ffcbbbca40b92cf474126f0b94893e8af1f608464b3c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files.zip

    Filesize

    24B

    MD5

    98a833e15d18697e8e56cdafb0642647

    SHA1

    e5f94d969899646a3d4635f28a7cd9dd69705887

    SHA256

    ff006c86b5ec033fe3cafd759bf75be00e50c375c75157e99c0c5d39c96a2a6c

    SHA512

    c6f9a09d9707b770dbc10d47c4d9b949f4ebf5f030b5ef8c511b635c32d418ad25d72eee5d7ed02a96aeb8bf2c85491ca1aa0e4336d242793c886ed1bcdd910b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files.zip

    Filesize

    93KB

    MD5

    5ed0afe8b89c0a1b9357c80d1cd83923

    SHA1

    f1ad1b91cb49d8627979eb7fae813010aea8861a

    SHA256

    0d55f21b10b2dccdbf2058332eab4cd7b96111664829c6522da320b0c7cf2126

    SHA512

    00f9e1b9d2c76c7a90ce17b4808e8337408cb1785f3c7ee4d4b54cfb1a12ad9f41b0ee6c3c4cf5e9f9c71b319a859f9b372fbd06fcac1dd2793c11cde71e16ca

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Are.docx

    Filesize

    11KB

    MD5

    a33e5b189842c5867f46566bdbf7a095

    SHA1

    e1c06359f6a76da90d19e8fd95e79c832edb3196

    SHA256

    5abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454

    SHA512

    f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\CheckpointSplit.txt

    Filesize

    295KB

    MD5

    2bc396bcfd4954041b4c27825e871c28

    SHA1

    ab8a61d91e1c876ad3b23a84db536a9a0bbf1a31

    SHA256

    a207604b7b6135fc4d114ac51c916c35bc6ecbdbb26dc6187669afee5b78b284

    SHA512

    bd212cb8480f0eefd0305e7a351779eafa279e1d25721b6a593c4ae31c761f76a40749b916ca456460204e36b3ea104c2ae5ff3211533bdf7bf46404754a8db2

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\DenyDisconnect.doc

    Filesize

    123KB

    MD5

    7705302c983ce2b8659e17d8e8f08cde

    SHA1

    cdd60abc598430b9bac3cc7504a2eb300952d438

    SHA256

    ec30fdf94f5a99dd07f945dc8bc9b210da50dc3fef83c9ad4135deba8aaf61c1

    SHA512

    7ae0d1da103aad4375df79abfdfe6a7d72fe2ef123f5cfef2d31871710ef6df79a00ba1c5b19061a1eb35645034809e67ccfef4c5ba680c77d18caf73f4ebdd4

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Files.docx

    Filesize

    11KB

    MD5

    4a8fbd593a733fc669169d614021185b

    SHA1

    166e66575715d4c52bcb471c09bdbc5a9bb2f615

    SHA256

    714cd32f8edacb3befbfc4b17db5b6eb05c2c8936e3bae14ea25a6050d88ae42

    SHA512

    6b2ebbbc34cd821fd9b3d7711d9cdadd8736412227e191883e5df19068f8118b7c80248eb61cc0a2f785a4153871a6003d79de934254b2c74c33b284c507a33b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\FindResolve.docx

    Filesize

    470KB

    MD5

    1965167d6f08a58d7d1f7543f46c4e07

    SHA1

    8f7afda7be5aa0a39251685869a592b65caade31

    SHA256

    16a17b663f5c0944ec552c33654bdaa283137bb7388f6c947c2d788b38636f8e

    SHA512

    823abd30feb41ca271803999ba429c8a0d9b4d6d8783fe4047effbe8a29700eec3babf043ccbe8adf6a51d72f6d0425510c349ea9fa682a55b70015a385cf1f9

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\InstallRestart.xlsm

    Filesize

    353KB

    MD5

    960595cf000022eb3aefc44ce4df0dc0

    SHA1

    5418b681aa8bbf31c4325ed21a58492893c5b0c3

    SHA256

    a7c5b9453e95997c417b46cf1911f09658d06634cd127d20cd622add50bd6b98

    SHA512

    f1a5e40053e98d93a23270e483abae2b76401e9af71c69951a81d96c29164820f6d95ee4446c1e83a1172c58348847a7cca151bae0d8c272ce70577c82781d95

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Opened.docx

    Filesize

    11KB

    MD5

    bfbc1a403197ac8cfc95638c2da2cf0e

    SHA1

    634658f4dd9747e87fa540f5ba47e218acfc8af2

    SHA256

    272ed278e82c84cf4f80f48ec7989e1fc35f2055d6d05b63c8a31880846597a6

    SHA512

    b8938526fcbf7152805aec130ca553e3ec949cb825430a5d0a25c90ec5eb0863857010484a4b31fdc4bb65a4c92ad7127c812b93114be4569a677f60debe43b1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\Recently.docx

    Filesize

    11KB

    MD5

    3b068f508d40eb8258ff0b0592ca1f9c

    SHA1

    59ac025c3256e9c6c86165082974fe791ff9833a

    SHA256

    07db44a8d6c3a512b15f1cb7262a2d7e4b63ced2130bc9228515431699191cc7

    SHA512

    e29624bc8fecb0e2a9d917642375bd97b42502e5f23812195a61a4920cae5b6ed540e74dfcf8432dcceb7de906ad0501cdd68056f9b0ec86a6bb0c1e336bfe32

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\RevokeGrant.docm

    Filesize

    132KB

    MD5

    f173487dbcfbd4ea5985042b07359656

    SHA1

    c872f6335a2c8edf7bafdde0e389cdd8b3e9e1ec

    SHA256

    21068c4d162dcc4af41235c8f306021d2029461a5e5d8a3d5a8a57d2b119a72b

    SHA512

    31a76a63bbf764ddfe66eb3a2fcdb73e1ad89631116e6ba4122f64cb842e90ff68b9d2f25fce7307d14fa3f61023d2439f894cd282d339fd3478a9f938749ebb

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\These.docx

    Filesize

    11KB

    MD5

    87cbab2a743fb7e0625cc332c9aac537

    SHA1

    50f858caa7f4ac3a93cf141a5d15b4edeb447ee7

    SHA256

    57e3b0d22fa619da90237d8bcf8f922b142c9f6abf47efc5a1f5b208c4d3f023

    SHA512

    6b678f0dd0030806effe6825fd52a6a30b951e0c3dcf91dfd7a713d387aa8b39ec24368e9623c463360acba5e929e268f75ce996526c5d4485894b8ac6b2e0fa

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\UnblockEdit.xlsm

    Filesize

    59KB

    MD5

    f3b0cd6a52b3b47d3a101f0a80c98b66

    SHA1

    7037183fd39e76a86e98b9a6f6b8b2ed320a8961

    SHA256

    adda3c1a30fc64560c8736344e491c3243dac28fc4e1df717b80a003ba200ec8

    SHA512

    817b2f1e58ef1c6f3480b7836eb3e4bb6cfe2b61956aeeb3ad8dfb911f1139cd7a6847a4c961d669e8c9a561593e970f560c25a7a824a859617a8585461ba061

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Files\UnpublishAssert.xlsm

    Filesize

    23KB

    MD5

    5ebf2dd65c37cb9b86692f0d266f9d9a

    SHA1

    3d432cf1e6faedaa8d856fe788e08f53c924d1db

    SHA256

    0794dedbf33d0e8f04c229a5330a63410bdea640806eb21bafd3c7be1fdafa8e

    SHA512

    df8b2f20c9f034bf8b28752612bd123443961df5076dba74bf9a6dcbafbaf6d8070caac2ff6f0dcc16281a7a3e42d99743827b4d05d923fd6e3624a826e4a372

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe

    Filesize

    689KB

    MD5

    91b41651e6e9ab352805c6d35a297d08

    SHA1

    11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

    SHA256

    0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

    SHA512

    b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

  • memory/1712-12-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1712-192-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1712-193-0x0000000002790000-0x0000000002791000-memory.dmp

    Filesize

    4KB

  • memory/1712-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1712-17-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1712-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1712-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1712-97-0x0000000002790000-0x0000000002791000-memory.dmp

    Filesize

    4KB

  • memory/1712-11-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1964-57-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

    Filesize

    9.9MB

  • memory/1964-54-0x000007FEF6280000-0x000007FEF6C6C000-memory.dmp

    Filesize

    9.9MB

  • memory/1964-53-0x0000000000CF0000-0x0000000000DA2000-memory.dmp

    Filesize

    712KB

  • memory/1964-55-0x000000001B1F0000-0x000000001B270000-memory.dmp

    Filesize

    512KB

  • memory/2408-0-0x0000000000B60000-0x0000000000C42000-memory.dmp

    Filesize

    904KB

  • memory/2408-6-0x0000000008100000-0x00000000081BE000-memory.dmp

    Filesize

    760KB

  • memory/2408-5-0x0000000005080000-0x00000000050C0000-memory.dmp

    Filesize

    256KB

  • memory/2408-4-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-3-0x0000000000490000-0x0000000000498000-memory.dmp

    Filesize

    32KB

  • memory/2408-2-0x0000000005080000-0x00000000050C0000-memory.dmp

    Filesize

    256KB

  • memory/2408-1-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB

  • memory/2408-7-0x0000000005010000-0x0000000005082000-memory.dmp

    Filesize

    456KB

  • memory/2408-21-0x0000000074D40000-0x000000007542E000-memory.dmp

    Filesize

    6.9MB