Analysis

  • max time kernel
    149s
  • max time network
    104s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    01/07/2025, 07:16

General

  • Target

    bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d.exe

  • Size

    368KB

  • MD5

    b6c6ce2199c9423f7c1b6fa2e183d802

  • SHA1

    c6df8d2a8eabf91b742d18ab12ba2de6ff4c3f28

  • SHA256

    bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d

  • SHA512

    273755189b20ac31c2f15afefd6372b6d829a96963f22d45ae7dfce374bdae149cbf178fbcd9271f19000c2b0677decd95af2aa9c076e63e6dae4c3097c939e0

  • SSDEEP

    6144:D+aX3LDzU66bkWmchVySqkvAH3qo0wWJC6G/SMT4FWqC:D+ajU66b5zhVymA/XSRh

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Enumerates connected drives 3 TTPs 21 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3300
      • C:\Users\Admin\AppData\Local\Temp\bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d.exe
        "C:\Users\Admin\AppData\Local\Temp\bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d.exe"
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4992
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4356
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4276
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a86F3.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4812
          • C:\Users\Admin\AppData\Local\Temp\bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d.exe
            "C:\Users\Admin\AppData\Local\Temp\bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d.exe"
            4⤵
            • Executes dropped EXE
            PID:4908
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops startup file
          • Executes dropped EXE
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4820
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4916
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:4712
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:5516
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:444

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe

            Filesize

            132KB

            MD5

            adab6fe3ec5fb875ea1ce4ba0fffc340

            SHA1

            afb3d744022dae1b7d92b58f7a5e4eafeee01f7e

            SHA256

            d784c0e058fa3de5bfa9c52dfbcbb07bb4227ce254e60bca60c0dd4d14be4271

            SHA512

            e756b831082b33b0c27d7cc0bf6c2f38534fbe37f4e8fde5f606f7b480d080bf8f3192cee755ecd5dba178a03060178407d1304192a0d2ed1b15b9263a1babcd

          • C:\Program Files\SyncConfirm.exe

            Filesize

            235KB

            MD5

            1c76456aed8adeb794856ba56f1024fe

            SHA1

            4c2bc04e446485cda722889386e39eb4e86cfefd

            SHA256

            bade9175d6e9cecb3862d303cda13ac7c30fcad0f507a9fd258f4fbe2aacae52

            SHA512

            30ced85673f6427357b79fc07017ec74a1381603dd0db20d258d3f9f03e488dc56753d7284e856b5802a939b6cf8df918ab43b865be473321259229383d6168a

          • C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe

            Filesize

            488KB

            MD5

            629c52705e4b56528fd0a9bd0ef3b26b

            SHA1

            8195ef6b90f8893c88887c763bf399cde1787b26

            SHA256

            4d1c2cdbf0684ef3ea3fc7123812b007687ded0a679275e5ea50f1d936a6fe3d

            SHA512

            0ea13e8f6c5d3b8e28a002c672f20d626e1ae1f8fb0162690961b2b94b49c6590f20ae50dd018f41b1947161ac62e63fa56b1e2aca5ee7335c3d9b7747817e0f

          • C:\Users\Admin\AppData\Local\Temp\$$a86F3.bat

            Filesize

            722B

            MD5

            6dd2a506b20e91951cef3552dcab9ea8

            SHA1

            f140c9b0490484f6fe5348fe20cf1d3d346d65ef

            SHA256

            e888dfb3a34cb0e68543f2533390cf4fd7554116e3be75586e23ac0ec6bfc63e

            SHA512

            13bc44911b34684ed677c618dc2fe2360773e4283ac2635c2727ae9698d77f5c5b136a5efd131eaa1cfa49969e58df3f16afc41632f9a80d69e313fc80eacd39

          • C:\Users\Admin\AppData\Local\Temp\bb6de837cc8f4bbe64a9edd86234304b944ba1249ffd9e33af5723e5fc299b9d.exe.exe

            Filesize

            335KB

            MD5

            40ac62c087648ccc2c58dae066d34c98

            SHA1

            0e87efb6ddfe59e534ea9e829cad35be8563e5f7

            SHA256

            482c4c1562490e164d5f17990253373691aa5eab55a81c7f890fe9583a9ea916

            SHA512

            0c1ff13ff88409d54fee2ceb07fe65135ce2a9aa6f8da51ac0158abb2cfbb3a898ef26f476931986f1367622f21a7c0b0e742d0f4de8be6e215596b0d88c518f

          • C:\Windows\Logo1_.exe

            Filesize

            33KB

            MD5

            649d803324cb36e58b674d3cd0dc08e2

            SHA1

            3231951e20d5e26a61674f82cdd270ea8831a8e2

            SHA256

            7cf122782c0a1f53068858937cc9e92d2ca17c45a1715cff5ef718ba2ccdc1ea

            SHA512

            17e5d0fd1e46589ec8d4eb6a3660befea7679312c7aa4e191fda12a5089ee8bd3d25e7c2d8abbde65b975d6bb0c0be42a4ca3904cd7e76146022629b86a804fa

          • F:\$RECYCLE.BIN\S-1-5-21-1418876453-2228697459-2788511057-1000\_desktop.ini

            Filesize

            8B

            MD5

            24c49e895be062b0bc063b7f1d713545

            SHA1

            096a87b1f8369fb3a4c4fc8323606dad58b8e790

            SHA256

            c18ba10163eca907f0f0957d320e3f831cdfaf81758c3a3a7aef62236d4d3f2f

            SHA512

            ae5d7fd55ea8caaea714d7baf66fe7c074e5d12d81bb10a774965ed23fd4d1dae5d2820c811bcbc5c84eab6aa7a2d6b8e81aef19875d87f62910c7387ec24f36

          • memory/4820-1652-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4820-18-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4820-8-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4820-9471-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4820-10164-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4992-0-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB

          • memory/4992-11-0x0000000000400000-0x000000000043F000-memory.dmp

            Filesize

            252KB