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Analysis

  • max time kernel
    146s
  • max time network
    192s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 16:46

General

  • Target

    9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe

  • Size

    372KB

  • MD5

    1a602393b841f50047c5a8a8608c4100

  • SHA1

    778a9bebf7dca5a40043dc7fc5dfd104ddfbbfe5

  • SHA256

    9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465

  • SHA512

    53a6ce21137e54d9a93d8e9577ae695eba337a7c0d4d8b5acf3561273041895ed325232b3f77c0433166495311792cd4e85f149c88bb064f181a551fa10d5934

  • SSDEEP

    6144:yOLJqj40m5tXf2y7dYyzxit1egV2M20TRFDK8ALxQgCRz7ySeECe:yGqs5wYdY6i4gP2w+kVT

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 13 IoCs
  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 5 IoCs
  • Executes dropped EXE 9 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 7 IoCs

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

  • Checks computer location settings 2 TTPs 3 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe
    "C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3484
    • C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe
      "C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Users\Admin\AppData\Local\Temp\MGQMH.exe
        "C:\Users\Admin\AppData\Local\Temp\MGQMH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3568
        • C:\Users\Admin\AppData\Local\Temp\MGQMH.exe
          "C:\Users\Admin\AppData\Local\Temp\MGQMH.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1340
          • C:\Users\Admin\AppData\Local\Temp\MGQMH.exe
            "C:\Users\Admin\AppData\Local\Temp\MGQMH.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
            5⤵
            • Executes dropped EXE
            PID:1484
    • C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe
      "C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:548
      • C:\Users\Admin\AppData\Roaming\svchost.exe
        "C:\Users\Admin\AppData\Roaming\svchost.exe" C:\Users\Admin\AppData\Local\Temp\9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5104
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1588
          • C:\Users\Admin\AppData\Local\Temp\WRCWR.exe
            "C:\Users\Admin\AppData\Local\Temp\WRCWR.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:760
            • C:\Users\Admin\AppData\Local\Temp\WRCWR.exe
              "C:\Users\Admin\AppData\Local\Temp\WRCWR.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              PID:2904
              • C:\Users\Admin\AppData\Local\Temp\WRCWR.exe
                "C:\Users\Admin\AppData\Local\Temp\WRCWR.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
                7⤵
                • Executes dropped EXE
                PID:4052
        • C:\Users\Admin\AppData\Roaming\svchost.exe
          "C:\Users\Admin\AppData\Roaming\svchost.exe"
          4⤵
          • Executes dropped EXE
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          PID:3616

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

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

    Filesize

    320KB

    MD5

    ccc2260269cb43ddadda9444e3d112f7

    SHA1

    ddab46acc12d7c60a15fa363f88030f1dd539fcb

    SHA256

    8ca1bd039407381c33fb7ab570b6e95b0ce64b0d5ef64a1968f9b55647cc1911

    SHA512

    787d0b4f5d89b840a4917c78e46f963c8c96a96ec005b45d085222ef307c2a76f074c4a65ca033b038e1b7d1419c7cd3c5c5f3075c3ea24e546c68bdd7643fde

  • C:\Users\Admin\AppData\Local\Temp\data.dmp

    Filesize

    54B

    MD5

    c10dbeca73f8835240e08e4511284b83

    SHA1

    0032f8f941cc07768189ca6ba32b1beede6b6917

    SHA256

    0b6b62094048f0a069b4582f837afcb941db51340d0b16d578e8cbe8603a071e

    SHA512

    34f7ab8b4ab7b4996b82ffc49198103ef245ee7dd5ccfec793a9ee391b9e9bb30bd3916b4ebeaa9c66a4b5ca42f8572418f16dc83d41073bc94389c19916b967

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    372KB

    MD5

    1a602393b841f50047c5a8a8608c4100

    SHA1

    778a9bebf7dca5a40043dc7fc5dfd104ddfbbfe5

    SHA256

    9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465

    SHA512

    53a6ce21137e54d9a93d8e9577ae695eba337a7c0d4d8b5acf3561273041895ed325232b3f77c0433166495311792cd4e85f149c88bb064f181a551fa10d5934

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    372KB

    MD5

    1a602393b841f50047c5a8a8608c4100

    SHA1

    778a9bebf7dca5a40043dc7fc5dfd104ddfbbfe5

    SHA256

    9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465

    SHA512

    53a6ce21137e54d9a93d8e9577ae695eba337a7c0d4d8b5acf3561273041895ed325232b3f77c0433166495311792cd4e85f149c88bb064f181a551fa10d5934

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    372KB

    MD5

    1a602393b841f50047c5a8a8608c4100

    SHA1

    778a9bebf7dca5a40043dc7fc5dfd104ddfbbfe5

    SHA256

    9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465

    SHA512

    53a6ce21137e54d9a93d8e9577ae695eba337a7c0d4d8b5acf3561273041895ed325232b3f77c0433166495311792cd4e85f149c88bb064f181a551fa10d5934

  • C:\Users\Admin\AppData\Roaming\svchost.exe

    Filesize

    372KB

    MD5

    1a602393b841f50047c5a8a8608c4100

    SHA1

    778a9bebf7dca5a40043dc7fc5dfd104ddfbbfe5

    SHA256

    9ab1d6220c68a3b965b80ebb3c81c9c0886d7f0180c6ed7dbf888502ce30d465

    SHA512

    53a6ce21137e54d9a93d8e9577ae695eba337a7c0d4d8b5acf3561273041895ed325232b3f77c0433166495311792cd4e85f149c88bb064f181a551fa10d5934

  • memory/548-144-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/548-145-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/548-139-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/636-169-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/636-138-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/636-140-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/636-135-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/636-166-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/1340-165-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1340-160-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1340-157-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1340-159-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1484-162-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1484-167-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1484-168-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/1588-183-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/1588-206-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/2904-197-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/2904-202-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/3616-184-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/4052-203-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB

  • memory/4052-205-0x0000000000400000-0x0000000000454000-memory.dmp

    Filesize

    336KB