Analysis

  • max time kernel
    170s
  • max time network
    180s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 02:39

General

  • Target

    2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe

  • Size

    235KB

  • MD5

    988e1645954b11aa0f2f1525debfb8f5

  • SHA1

    7178cbe334ed2b609ca42c5b539258f7c41a9234

  • SHA256

    2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c

  • SHA512

    098b7c07ca8276b552a4263e209347b916f55bc03662c7e2a370ad433dbcd0541589c2ea6cccc191874b4e49fc9ffc46a44f02deb95a4badfccbc887ce555134

  • SSDEEP

    3072:zr8WDrCy6Qhd2e4vNRyOZIu440livAzoUZmebfG5R:Pu7QhdJOZIur9ocUZA5R

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • 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.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 59 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe
    "C:\Users\Admin\AppData\Local\Temp\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\3582-490\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://red-hack.ru/
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1548 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1352
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://red-hack.ru/
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1672 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:868

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{BC6E95A1-6EA0-11ED-8DB1-7A3897842414}.dat
    Filesize

    3KB

    MD5

    08404a019397b1877995f696555e6ce1

    SHA1

    4023dec95f9fa14bd58f2bed0ba72a2d0a181013

    SHA256

    388047ef889aded1979749e2c349b090f777fca0f3dd25e0f548a4948e36e27f

    SHA512

    8281578f27d0e94d9847ffcf3affde399ed9cf939d052c81a9f028c004f7eab09df712ee7a179a7c67a51735576ff51f930ab82918cc5fef420ef22eee3cd4e5

  • C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{BC6EBCB1-6EA0-11ED-8DB1-7A3897842414}.dat
    Filesize

    5KB

    MD5

    0e40cf11af50028f3f18609df99e6ca5

    SHA1

    1a00af1f05447dd94fa047f45a0fa94200b379e2

    SHA256

    d18499986d8883b03867d4c203ee6271b322dc88d37db13bc656a1bd192e6163

    SHA512

    7cd3f2f8a17068b919462af0c56a7ca3dbee22b74c03e637810a97e6cbf126bcd30ea227b9e5a697722f5ca8a143786c2bce722cdfa41a31fae6885dbfbb9434

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe
    Filesize

    194KB

    MD5

    4a7ff7873efffda0c1f5fdd64a63c9f6

    SHA1

    51f8640068b2294de42499d458083f7ce4640658

    SHA256

    39f574d6c714ed5550e8a50c44176d0e4eed23eb8a853169273cbaf4fd9f7879

    SHA512

    a62ada2ba7504c8dee6f6325c9320e896d05ab4f7e34aa9698c6612dfbbf56d7b6176bebf2936f34d83f9bd5922f79c81c3f60a8c0ad410b70285aa802a750f1

  • C:\Users\Admin\AppData\Local\Temp\3582-490\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe
    Filesize

    194KB

    MD5

    4a7ff7873efffda0c1f5fdd64a63c9f6

    SHA1

    51f8640068b2294de42499d458083f7ce4640658

    SHA256

    39f574d6c714ed5550e8a50c44176d0e4eed23eb8a853169273cbaf4fd9f7879

    SHA512

    a62ada2ba7504c8dee6f6325c9320e896d05ab4f7e34aa9698c6612dfbbf56d7b6176bebf2936f34d83f9bd5922f79c81c3f60a8c0ad410b70285aa802a750f1

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\SJXBPSDC.txt
    Filesize

    608B

    MD5

    c0816fbbea5d510755a5e8be0fa7c35b

    SHA1

    724c48aa441e49bc3cc20579af93da78490ce196

    SHA256

    bc2591721f4774704bdd25c81e8ab2eb7ccaf8c7239ec1bd8b09bacc30404dee

    SHA512

    566987247978a4b8c0bc3fb6727d167eceba30cc51a7caa79836e9d4512b758af24ad9ca4e003178c1be9cda6993fde8a17cf074f8a953a431797b9e6836b798

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\2b8ae2c48f10a3d75543f612c40da8d89fd48633877e54d242636e41ad788f3c.exe
    Filesize

    194KB

    MD5

    4a7ff7873efffda0c1f5fdd64a63c9f6

    SHA1

    51f8640068b2294de42499d458083f7ce4640658

    SHA256

    39f574d6c714ed5550e8a50c44176d0e4eed23eb8a853169273cbaf4fd9f7879

    SHA512

    a62ada2ba7504c8dee6f6325c9320e896d05ab4f7e34aa9698c6612dfbbf56d7b6176bebf2936f34d83f9bd5922f79c81c3f60a8c0ad410b70285aa802a750f1

  • memory/1360-54-0x00000000751A1000-0x00000000751A3000-memory.dmp
    Filesize

    8KB

  • memory/1780-56-0x0000000000000000-mapping.dmp
  • memory/1780-60-0x00000000742C0000-0x000000007486B000-memory.dmp
    Filesize

    5.7MB

  • memory/1780-64-0x00000000742C0000-0x000000007486B000-memory.dmp
    Filesize

    5.7MB