Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    17-04-2024 20:00

General

  • Target

    f68dd4bba65bf4f6584b1aa4fd74abe5_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    f68dd4bba65bf4f6584b1aa4fd74abe5

  • SHA1

    03fb29723cb3ca5fd7714c49ad77ccf0bb293b00

  • SHA256

    7f396801cd173497e6f6e6454570b56827a0ad3de1dd59dd126dcddde6960e3b

  • SHA512

    a1772565c2dd03e9aceeea848684be68bcd0e3e3da183291605439644c10d9f1b523a421df0771dfac23bf3a98efe8fe53b3d2715118cfbf5b8da0771d22e020

  • SSDEEP

    24576:kHCVlWCcYIGjJnIabGo0l1vQ0HKcg464OJGQcOAjE46:kCelGFxGou1nHDdlOJGx56

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/866300914012782599/XsqQroUsIGROEaXEklV70vXvaKgEn9lzpilIbakUXKsIJJX7p57IVSxxh1truJ8qV0la

Signatures

  • Mercurial Grabber Stealer

    Mercurial Grabber is an open source stealer targeting Chrome, Discord and some game clients as well as generic system information.

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f68dd4bba65bf4f6584b1aa4fd74abe5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f68dd4bba65bf4f6584b1aa4fd74abe5_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks SCSI registry key(s)
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 1896
      2⤵
      • Program crash
      PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    1d35106c7ced503d3041760f9751218e

    SHA1

    99bc70e309fd4d14cb7f837fee7c40c4384147ea

    SHA256

    20af01ca829dbc2616b3af6628ba4085f0cf7fd13e1b15c470749418960bbd9d

    SHA512

    d7aead79c5d2a164a6ebc2537f465f451ad10684d9f8642f34ac20ec6dd1d08ec5717ddab783709ab8124a769ec47e0ba86171c4f09fd7feb7599e09e33916dd

  • C:\Users\Admin\AppData\Local\Temp\Cab1A94.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar1C7F.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2284-0-0x00000000011A0000-0x0000000001516000-memory.dmp

    Filesize

    3.5MB

  • memory/2284-2-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-1-0x00000000011A0000-0x0000000001516000-memory.dmp

    Filesize

    3.5MB

  • memory/2284-3-0x0000000005420000-0x0000000005460000-memory.dmp

    Filesize

    256KB

  • memory/2284-72-0x0000000073EA0000-0x000000007458E000-memory.dmp

    Filesize

    6.9MB

  • memory/2284-73-0x0000000005420000-0x0000000005460000-memory.dmp

    Filesize

    256KB