Analysis

  • max time kernel
    27s
  • max time network
    53s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 13:34

General

  • Target

    9ac48d51837d6381c5e843d0eac2e4272213d56ac83cb69d35f557f4500f3b4b.exe

  • Size

    393KB

  • MD5

    5a59e990490fcb2682313ed67eabbd76

  • SHA1

    fe659afdfbc359195fa4fd2905d863aa48a05719

  • SHA256

    9ac48d51837d6381c5e843d0eac2e4272213d56ac83cb69d35f557f4500f3b4b

  • SHA512

    3e436974b453898b98a14752495bea53a62962054243ecd38a199381dfedc088abba659c43ca40db7a130d6880546314a2fac867e7e830b6703244dd84e19d95

  • SSDEEP

    12288:SK7a4rM4aDbulrp+U1hmekZ997yysjlKTU25fjtm:SK7aEHaPErh3mPaj8TU25Lg

Score
9/10

Malware Config

Signatures

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ac48d51837d6381c5e843d0eac2e4272213d56ac83cb69d35f557f4500f3b4b.exe
    "C:\Users\Admin\AppData\Local\Temp\9ac48d51837d6381c5e843d0eac2e4272213d56ac83cb69d35f557f4500f3b4b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp\9ac48d51837d6381c5e843d0eac2e4272213d56ac83cb69d35f557f4500f3b4b.exe
      C:\Users\Admin\AppData\Local\Temp\9ac48d51837d6381c5e843d0eac2e4272213d56ac83cb69d35f557f4500f3b4b.exe
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1560
      • C:\Users\Admin\AppData\Local\Temp\CODEJO~3.exe
        C:\Users\Admin\AppData\Local\Temp\CODEJO~3.exe /stext C:\Users\Admin\AppData\Local\Temp\temp.txt
        3⤵
        • Executes dropped EXE
        PID:1228

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CODEJO~3.exe
    Filesize

    344KB

    MD5

    8d7c27f3281b6480d5e89fbca633f0a7

    SHA1

    69b85b63db4808213501ee91d06ad9d79ba90fb4

    SHA256

    5b36d92a327557c26768d6d871f227b195da512dedbdcdfea96f267f97f967ee

    SHA512

    c60ab992d7e05fa7e9b61f4bbfb2d538427f8f5a493532ec9bbb4667f880573eb72a9ddc0c954fb14d1964b4eb1fdc247cde423530f21f82f4e31d9c026fc60e

  • C:\Users\Admin\AppData\Local\Temp\temp.txt
    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

  • \Users\Admin\AppData\Local\Temp\CODEJO~3.exe
    Filesize

    344KB

    MD5

    8d7c27f3281b6480d5e89fbca633f0a7

    SHA1

    69b85b63db4808213501ee91d06ad9d79ba90fb4

    SHA256

    5b36d92a327557c26768d6d871f227b195da512dedbdcdfea96f267f97f967ee

    SHA512

    c60ab992d7e05fa7e9b61f4bbfb2d538427f8f5a493532ec9bbb4667f880573eb72a9ddc0c954fb14d1964b4eb1fdc247cde423530f21f82f4e31d9c026fc60e

  • \Users\Admin\AppData\Local\Temp\CODEJO~3.exe
    Filesize

    344KB

    MD5

    8d7c27f3281b6480d5e89fbca633f0a7

    SHA1

    69b85b63db4808213501ee91d06ad9d79ba90fb4

    SHA256

    5b36d92a327557c26768d6d871f227b195da512dedbdcdfea96f267f97f967ee

    SHA512

    c60ab992d7e05fa7e9b61f4bbfb2d538427f8f5a493532ec9bbb4667f880573eb72a9ddc0c954fb14d1964b4eb1fdc247cde423530f21f82f4e31d9c026fc60e

  • memory/1120-76-0x00000000740B0000-0x000000007465B000-memory.dmp
    Filesize

    5.7MB

  • memory/1120-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/1120-65-0x00000000740B0000-0x000000007465B000-memory.dmp
    Filesize

    5.7MB

  • memory/1228-69-0x0000000000000000-mapping.dmp
  • memory/1560-61-0x0000000000401100-mapping.dmp
  • memory/1560-60-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1560-58-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1560-72-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1560-56-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1560-75-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB

  • memory/1560-55-0x0000000000400000-0x000000000045C000-memory.dmp
    Filesize

    368KB