Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 14:00

General

  • Target

    21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae.exe

  • Size

    836KB

  • MD5

    eef1bd69bf2e38cc18597498de997e87

  • SHA1

    a9c4e103509d51f13ab3e7145908eebfe7ba3eed

  • SHA256

    21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae

  • SHA512

    8d0ce2b62508cc084f32004f907ee381d0b128ce2feeac6d7be26050a6f24b559b885808e94d28d3069eb6d70f2333cc4dbc4e37aa662c5bc668bf334597499e

  • SSDEEP

    24576:me6ZoI/9H+HYFCcmpbvC2NcKW4jstM6Db:mVw4I5ZvbbWKstM6Db

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ldiwlcyobbyrmlhr

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 7 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Executes dropped EXE 4 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.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae.exe
    "C:\Users\Admin\AppData\Local\Temp\21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Users\Admin\AppData\Local\Temp\21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae.exe
      "C:\Users\Admin\AppData\Local\Temp\21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1012
    • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe"
          4⤵
          • Executes dropped EXE
          PID:1964
    • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      PID:972

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

    Filesize

    13KB

    MD5

    cf7e259dd0225ae86a29f5952bcb5b4d

    SHA1

    4c6b2363a754bcaa07edeee5b4837b464cfb5d5c

    SHA256

    bcf654651c834ff5f885a6ab272d000aa48acea1ebe68ce146c68c863c4736a8

    SHA512

    91c469f7b4d3c95177ccb013e3c16fe61fffa1fd631857f44bb335382b6c0c80d8bb178e72140178716312f49efbee45ccbe3467a01099561ab3ddf33b412b3a

  • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

    Filesize

    13KB

    MD5

    cf7e259dd0225ae86a29f5952bcb5b4d

    SHA1

    4c6b2363a754bcaa07edeee5b4837b464cfb5d5c

    SHA256

    bcf654651c834ff5f885a6ab272d000aa48acea1ebe68ce146c68c863c4736a8

    SHA512

    91c469f7b4d3c95177ccb013e3c16fe61fffa1fd631857f44bb335382b6c0c80d8bb178e72140178716312f49efbee45ccbe3467a01099561ab3ddf33b412b3a

  • C:\Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

    Filesize

    13KB

    MD5

    cf7e259dd0225ae86a29f5952bcb5b4d

    SHA1

    4c6b2363a754bcaa07edeee5b4837b464cfb5d5c

    SHA256

    bcf654651c834ff5f885a6ab272d000aa48acea1ebe68ce146c68c863c4736a8

    SHA512

    91c469f7b4d3c95177ccb013e3c16fe61fffa1fd631857f44bb335382b6c0c80d8bb178e72140178716312f49efbee45ccbe3467a01099561ab3ddf33b412b3a

  • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

    Filesize

    836KB

    MD5

    eef1bd69bf2e38cc18597498de997e87

    SHA1

    a9c4e103509d51f13ab3e7145908eebfe7ba3eed

    SHA256

    21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae

    SHA512

    8d0ce2b62508cc084f32004f907ee381d0b128ce2feeac6d7be26050a6f24b559b885808e94d28d3069eb6d70f2333cc4dbc4e37aa662c5bc668bf334597499e

  • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

    Filesize

    836KB

    MD5

    eef1bd69bf2e38cc18597498de997e87

    SHA1

    a9c4e103509d51f13ab3e7145908eebfe7ba3eed

    SHA256

    21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae

    SHA512

    8d0ce2b62508cc084f32004f907ee381d0b128ce2feeac6d7be26050a6f24b559b885808e94d28d3069eb6d70f2333cc4dbc4e37aa662c5bc668bf334597499e

  • C:\Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

    Filesize

    836KB

    MD5

    eef1bd69bf2e38cc18597498de997e87

    SHA1

    a9c4e103509d51f13ab3e7145908eebfe7ba3eed

    SHA256

    21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae

    SHA512

    8d0ce2b62508cc084f32004f907ee381d0b128ce2feeac6d7be26050a6f24b559b885808e94d28d3069eb6d70f2333cc4dbc4e37aa662c5bc668bf334597499e

  • C:\Users\Admin\AppData\Roaming\pid.txt

    Filesize

    4B

    MD5

    f33ba15effa5c10e873bf3842afb46a6

    SHA1

    899a19b6bec5cddc50179f183ba138b628cf94b3

    SHA256

    165940940a02a187e4463ff467090930038c5af8fc26107bf301e714f599a1da

    SHA512

    d4d6c2a9453061295c531e0476d947d498435d97260f1b544b0932be9b9442b8de56f956c61542e80e727c3a2a9f5165a11a8622c121a9f3e7b220c3a89df708

  • C:\Users\Admin\AppData\Roaming\pidloc.txt

    Filesize

    102B

    MD5

    e607e648f1c19164914ac22b1f37806b

    SHA1

    78d9f82896f7eb84a9d87c8867413b7dc696becd

    SHA256

    d4e8dded8fbbb165c5c6bef02fad4b73f2aea61a6c9b627c2cb46afe1517ddc0

    SHA512

    0b87a8ef180cec9a6f01ea2b7f651f8f839dfca81e6993ebfcc210d7e195fc636e545a2ee48db190145458cde76b445d4d7e2bd47cbaf7e4f228d7fea83f9c28

  • \Users\Admin\AppData\Roaming\Microsoft\LookupSvi.exe

    Filesize

    13KB

    MD5

    cf7e259dd0225ae86a29f5952bcb5b4d

    SHA1

    4c6b2363a754bcaa07edeee5b4837b464cfb5d5c

    SHA256

    bcf654651c834ff5f885a6ab272d000aa48acea1ebe68ce146c68c863c4736a8

    SHA512

    91c469f7b4d3c95177ccb013e3c16fe61fffa1fd631857f44bb335382b6c0c80d8bb178e72140178716312f49efbee45ccbe3467a01099561ab3ddf33b412b3a

  • \Users\Admin\AppData\Roaming\Microsoft\secdrv.exe

    Filesize

    836KB

    MD5

    eef1bd69bf2e38cc18597498de997e87

    SHA1

    a9c4e103509d51f13ab3e7145908eebfe7ba3eed

    SHA256

    21aa690041a67e88fbb34020acfe37803acbc4812f7f0c9ea4e672a1ca7ae4ae

    SHA512

    8d0ce2b62508cc084f32004f907ee381d0b128ce2feeac6d7be26050a6f24b559b885808e94d28d3069eb6d70f2333cc4dbc4e37aa662c5bc668bf334597499e

  • memory/972-109-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/972-90-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/972-87-0x0000000000000000-mapping.dmp

  • memory/992-54-0x0000000076561000-0x0000000076563000-memory.dmp

    Filesize

    8KB

  • memory/992-55-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/992-56-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1012-83-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1012-58-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-66-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-63-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-60-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-57-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-68-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-64-0x00000000004859EE-mapping.dmp

  • memory/1012-62-0x0000000000400000-0x000000000048C000-memory.dmp

    Filesize

    560KB

  • memory/1012-75-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1212-86-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1212-84-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1212-71-0x0000000000000000-mapping.dmp

  • memory/1212-76-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-98-0x00000000004859EE-mapping.dmp

  • memory/1964-107-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-108-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1964-110-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1996-85-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1996-82-0x0000000074AA0000-0x000000007504B000-memory.dmp

    Filesize

    5.7MB

  • memory/1996-79-0x0000000000000000-mapping.dmp