Analysis

  • max time kernel
    59s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/09/2024, 07:31

General

  • Target

    925e7ac0969834f88dee3f2678664167d5829ae258e06da169bdad7e5128bd2a.exe

  • Size

    2.7MB

  • MD5

    84d37bdcf8aa60a2e3cf01b5f2843aa1

  • SHA1

    36885fa3b72c7040ee20b1127015ac66e1220373

  • SHA256

    925e7ac0969834f88dee3f2678664167d5829ae258e06da169bdad7e5128bd2a

  • SHA512

    eb7b80ab6bd390588b1f2fb0ca06cf95ff0cd713186fe7ea08035f1582e3da246418497c3031fb453f867ee590463010e6695c874b99eaddde3cdaa6ff7b9ffd

  • SSDEEP

    49152:+R0p8xHycIq+GI27nGroMPTJPer1c2HSjpjK3LBZ9w4Sx:+R0pI/IQlUoMPdmpSp54

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\925e7ac0969834f88dee3f2678664167d5829ae258e06da169bdad7e5128bd2a.exe
    "C:\Users\Admin\AppData\Local\Temp\925e7ac0969834f88dee3f2678664167d5829ae258e06da169bdad7e5128bd2a.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\AdminbGvvJgzgbXugsotmbSoixuyulzb]otju}ybYzgxz&Skt{bVxumxgsybYzgxz{vbecdevdob.exe
      C:\Users\AdminbGvvJgzgbXugsotmbSoixuyulzb]otju}ybYzgxz&Skt{bVxumxgsybYzgxz{vbecdevdob.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2812
    • C:\UserDot24\xoptisys.exe
      C:\UserDot24\xoptisys.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\LabZB1\optidevloc.exe

    Filesize

    2.7MB

    MD5

    0030ce39b3e0edc33f527e370beeeabb

    SHA1

    459513da0b5d6eaa176ca314b77b0ccaa938e7b5

    SHA256

    56db8055acd824c9cb547640ad5ae6d5d3526b0d4f6b84a96f52524b63e6d0ae

    SHA512

    52d9dc81501580bcf7593728b28616f1df064a017b41c9ae8ea59327f46ca73ac30d110be48d2dbf63e897f3ab0546f8411a5210dee6d5d1d2bd672b0d6b4df0

  • C:\LabZB1\optidevloc.exe

    Filesize

    2.7MB

    MD5

    968b5f7b0a71eb61743e1d03a1e66dd1

    SHA1

    fef7144c064096728628f8b7a2675ea7724f85b0

    SHA256

    ff3499197124dc1bc258154db12718707475b019b40104bc529beb3ef1eca435

    SHA512

    bbe077b9cbaf32644ee870e47bdf4a73f94e841f3a06f6e9aaa04e78e709ba10e22cca3c7d677733d2eaedcee5859d0003bacd17424148e29e876e6a8eb9a97b

  • C:\UserDot24\xoptisys.exe

    Filesize

    2.7MB

    MD5

    0d2d9d00d929c158a89756d112e81d33

    SHA1

    bcf64826c2093e0e556e7f95ca29e0c208c2ca03

    SHA256

    64dc88896406a858e9704b77643b830118d8f571b2fba73fc1263baee5a84c80

    SHA512

    190c94b30d8e6371028da1e79cf78bf86ac318e388fc45d49b5d07872982a179d79e3798e011694ae630259ed1e55916913bd948282142575584cdb9768fc5c6

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    207B

    MD5

    658b5ddb4658133df2b1a6ad5bd92e38

    SHA1

    4c17bde95c23ea909fa6f6f280823e709e97cfc2

    SHA256

    6ba8f588f3748bc287cfc7384420b9a58af6415523461145ea79a43282bc5402

    SHA512

    d4ff8d4177f92aabd1da056b3bcb67627fc07c942c7b8a802184fc86d4038a380b8aa5d5b54b79220f190c082f24055b19f30f3e45f6d35b521a74a6d2088f70

  • C:\Users\Admin\253086396416_6.1_Admin.ini

    Filesize

    207B

    MD5

    7a7bf7ca877d722cdd46fd750d43119e

    SHA1

    732baaabf5234d7a434d089df9797d5c8f5cd599

    SHA256

    bcb781a62baa888555612f8b2b0a2f020f378071050c943df47df60308844c83

    SHA512

    7c77c8ba986b990515540a250954e2990e73c9b31cb9d764c5ca7369fbcebe82e6dc7ac6a2f7efc1a35a9d3eeb55a3274d972784a7cdd9ff3a7124a7ff8e44cd

  • \Users\AdminbGvvJgzgbXugsotmbSoixuyulzb]otju}ybYzgxz&Skt{bVxumxgsybYzgxz{vbecdevdob.exe

    Filesize

    2.7MB

    MD5

    041617f0009f67f2f153de1a992ce402

    SHA1

    7cbf7cda1e64f35a1c2c5c356899dfb11e97eb88

    SHA256

    1d7d0f5cd10019a9adfaead2a10c5924ef58275692ac9755eae214ef595993ce

    SHA512

    b1507e3f878e946ff92da50866090520664ff55e3caacaefc34fe530ec877bb86bf80a4d1fd0d298899c31382451d2d58b4b25f1b09e1dfc3d1f7dad930c89c1