Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 02:29

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:1880
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JacGDBJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D70.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2508
    • 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:2632
      • 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:2640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab65B7.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar6608.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\tmp1D70.tmp

    Filesize

    1KB

    MD5

    507025585ff4c4532a8ad5126d67e529

    SHA1

    db826f82d8a0b76deba826f1d06e48bd5d4e8bd9

    SHA256

    427809fee70d4c78750119481481305030179ac45a020d09bb00c5b7402cfdd7

    SHA512

    6f710565eb1e81046f904f2d4d5c648b7e198421d1a94ff6f50003d85dda35ad9dad3ddbe4ea60f59530a1282d916203999e26f154928d07f229753a04a3fe53

  • C:\Users\Admin\AppData\Roaming\MICROS~1\Windows\TEMPLA~1\CUE3L4~1.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

    8.7MB

    MD5

    d79638c7a82b3efe9951679fc65dcc2c

    SHA1

    3bea7f043ec7c69121281954be4e66cb2c504f9b

    SHA256

    819733cca92548f167b5190ee3a8f6f9e1cdeb29e365bbfad15f8d4f4e430c3a

    SHA512

    a4bfc699d6e56576feb25dec2eb9213030c5aebe79790b828771b7742e0c02c214618d13fae5f7df6dec199843f285b5e831c62d48ce04da7d040361dabcb0c4

  • 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\AssertSend.xlsx

    Filesize

    767KB

    MD5

    e7dfb78025c821c6959902749fed2c1e

    SHA1

    5f91573212a6801d24919cbbe10361575c11a77d

    SHA256

    74ca119efde4a8b210138dc83db9182c12d788dc4659e0cd9ec3bbcc63e67345

    SHA512

    da667417b5898a259a7cd9d67d1d27082062adb2db60431e6eea7180d78a75f38d2663d3cdf9cfba8a410e4721f0ca426563eb1244e5a99a4258664aef4bcd5e

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

    Filesize

    481KB

    MD5

    384c89718564ad9f63b4605b2b590624

    SHA1

    7f6af83eafe3af413e170df621d09cbbc2644de3

    SHA256

    c5bfd4045e4c0204c49b90bfcc1683b530e40d47f3c32dd9e599bbd716c04ac1

    SHA512

    854d92cb525b4bad1223de3cc16ada8fc23ce44cdad8ce300aa941524f6c2a180abadc5a11303a64fb5045aa4bd69e48619d736c26f4d446e5985ac7b85510d2

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

    Filesize

    1.1MB

    MD5

    8cd7fad9d98a3179f3991286aad65b29

    SHA1

    9dcb3c53c522c30cd5104dcc4b686af5e20d5193

    SHA256

    e66f180b0d92e996677139a59bba6b4e2eaa792e61e6d1004413e312a635853f

    SHA512

    f4983639bc62c0ee07733ca71cf58cdcb16a2fb8da25c8c4fd7018b9ec5d9f80b003f4f488df612787b81c72f8c7cd11c0c52ac34ee411b7409f31b65b67de91

  • 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\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\RepairUpdate.pdf

    Filesize

    804KB

    MD5

    88626ef70b4740946160ae6207170bb0

    SHA1

    b0614df776697c653d515174698b696149c523df

    SHA256

    928144009f5818d0c04407469d3cf5405f7b13b8b7d843abf95016187b0efd2c

    SHA512

    f936c31527e10fd877c24f0e4757e3c1f444ab89050cbec792a84de5b38a2a85fc22e00e46da4a427fad63acd873bed66bb4e92f07defab04dc3da1721497cc6

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

    Filesize

    1.2MB

    MD5

    9f23713daefce937d5c5a5778690e29d

    SHA1

    d49a4aa5d93217be0c47e55fa4023ea7e3079214

    SHA256

    9f994e0c46db6baa24ca1afbc549a2bab3ed8fb825c803856f9a1a244cb421b9

    SHA512

    26b75f2c54b3e6d8c90580a56af86580c5f098ee40fc0f3bef9fc604eb932fe6aead1db9d57c8bd1f7ad860096e8760571c9defe0b2d7ec71613b5c21f7ec127

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

    Filesize

    694KB

    MD5

    f0b1e86847b0b0709546e858868a3513

    SHA1

    22ee1a44f23046750d20284d93a29077fbf0992b

    SHA256

    ec5c727ac62e6927302aa7096a8303e4f0a34a01af5f3f2a0f6930ec11e8e8ae

    SHA512

    5d8e49d31b5e721a95677165960911d83b88ca381d59da370cf9c0f0b82d48044877d995d14a329fc53e333a2d39b11883b739f76f8cd9b51a4cbf73012d143d

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

    Filesize

    1.4MB

    MD5

    bb9d2cb8c4d25310d862bcb2a681b05d

    SHA1

    2dcbd1212f7c08e1d557abbd31153cf1a1a0a521

    SHA256

    63c6efb32f0ac64ab02208b0565f3470fb5405ac9750d5155f7c1e62d6420658

    SHA512

    caf6035632b110362df85c51d3bac3d084eaebf3afbb7248b03f6d3ce86add48d1096ac970c9e812abb9e192a660ff22c676e5f24cd41d7f5c978d439a820c0b

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

    Filesize

    1.4MB

    MD5

    7837f6a2d0c1dbf756295621a976a5d4

    SHA1

    4870062cf50a0ef8141c02a57b2e7d31e5806132

    SHA256

    3dc4b97c2b2face60aa12a7526e684a105c4e6ce17f637d03246b27bc45404d9

    SHA512

    6f46de6fe83769e30bda9d9a98169c488e5356794a3e3b7315b19d210a364f3372b1f8ba44df499893a009a142af97844b2be2331ec1149991f715212794dbfb

  • 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\UnprotectInitialize.rtf

    Filesize

    442KB

    MD5

    799a3e25f8471a2f1f7cf551bdb14150

    SHA1

    39332cec3e7fc97893db963453e43d58300b5e56

    SHA256

    54fb1c379000e063f37b329ff388c219def1ceba09387a9107d5a277c48b7108

    SHA512

    7a331abe3fbf6ca69f68360e0dbdf59580fb59603fb0e8f94d7197df7e6d727f1e35c09aae0a830dbd390aa79690f4600d0f8983c02c4332008928a6d285cc5d

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

    Filesize

    521KB

    MD5

    fe54bdfad78cbcdaabce46305c2dd964

    SHA1

    c24dcc944979811670002569b61e7da1c1fc1f6a

    SHA256

    3b72973ab47039dc72f5c23a6a2565fa68178b5ab2dd552ed997de2614ea491f

    SHA512

    a6caebc8456df12e096984e75160d8f70e0c36802fbf5399f78212b9c244c0396182432177ea934a76d47185dd24e1962d2121ab9785a38d5d34d592688a707b

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

    Filesize

    689KB

    MD5

    91b41651e6e9ab352805c6d35a297d08

    SHA1

    11b8eaa7b7941461bc952b11ec3f07d25dcd1c2e

    SHA256

    0872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723

    SHA512

    b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892

  • memory/1880-7-0x0000000004F50000-0x0000000004FC2000-memory.dmp

    Filesize

    456KB

  • memory/1880-21-0x00000000747A0000-0x0000000074E8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1880-1-0x00000000747A0000-0x0000000074E8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1880-6-0x00000000080C0000-0x000000000817E000-memory.dmp

    Filesize

    760KB

  • memory/1880-5-0x0000000000570000-0x00000000005B0000-memory.dmp

    Filesize

    256KB

  • memory/1880-4-0x00000000747A0000-0x0000000074E8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1880-3-0x0000000000400000-0x0000000000408000-memory.dmp

    Filesize

    32KB

  • memory/1880-2-0x0000000000570000-0x00000000005B0000-memory.dmp

    Filesize

    256KB

  • memory/1880-0-0x0000000000DF0000-0x0000000000ED2000-memory.dmp

    Filesize

    904KB

  • memory/2632-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2632-111-0x0000000002A10000-0x0000000002A11000-memory.dmp

    Filesize

    4KB

  • memory/2632-22-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2632-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2632-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2632-11-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2632-217-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2632-219-0x0000000002A10000-0x0000000002A11000-memory.dmp

    Filesize

    4KB

  • memory/2640-59-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

    Filesize

    9.9MB

  • memory/2640-57-0x0000000001EC0000-0x0000000001F40000-memory.dmp

    Filesize

    512KB

  • memory/2640-56-0x000007FEF5D30000-0x000007FEF671C000-memory.dmp

    Filesize

    9.9MB

  • memory/2640-55-0x0000000000220000-0x00000000002D2000-memory.dmp

    Filesize

    712KB