Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 12:04

General

  • Target

    051d4b4ab237b5e83ddc305f3257553d_JaffaCakes118.exe

  • Size

    556KB

  • MD5

    051d4b4ab237b5e83ddc305f3257553d

  • SHA1

    d6bcc231a1ed2d5a69048691a1ef7a9b85c5e6e5

  • SHA256

    f9ed037580f9db1b3331de0335dc1af3456177c84aa24dac9b64c599a27542c3

  • SHA512

    419b886cdfe6e558e07b612137dd8f115dd28d0e8295452ba459bae82c138a04f23575d8b50ccd9b6def87190fb6962cc8bfe72b342edab0032a3311b3b67b03

  • SSDEEP

    12288:it6ipoH7r1L6RSlT7w8hk9MEwfVs6UnaOuxaSH+tgRI35Q2T9vUcnun8:it6ipA7BLtlo2MjwE+aSH+8

Malware Config

Extracted

Family

mercurialgrabber

C2

https://discord.com/api/webhooks/897216012603256842/Zf1W7RTuEyIvXw2r12OgP8sa8I5_odqhiTlFF6XnWhig090X7dOOZ6hDa2OY4AoeRrjc

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 5 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.

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

    SCSI 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\051d4b4ab237b5e83ddc305f3257553d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\051d4b4ab237b5e83ddc305f3257553d_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\051d4b4ab237b5e83ddc305f3257553d_JaffaCakes118.exe
      "051d4b4ab237b5e83ddc305f3257553d_JaffaCakes118.exe"
      2⤵
      • Looks for VirtualBox Guest Additions in registry
      • Looks for VMWare Tools registry key
      • Checks BIOS information in registry
      • Maps connected drives based on registry
      • Checks SCSI registry key(s)
      • Enumerates system info in registry
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 1776
        3⤵
        • Program crash
        PID:756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    d757d7b99f43311e8b89b1968619cedb

    SHA1

    ec97090707df6248e30718c2f115416c843da1f5

    SHA256

    f64082fd21b714b14fd0c9b17681b92ef9e5fe89f05f94e8b95177452cb3ee1d

    SHA512

    e6fba100d834536d7b1522dbf22aa1ef0ff956fe1729b5a0a647c9031bd631cd540b1ff11264b4510eacd08b91fc7973bacba7ef69dee574156bae9d839f3d53

  • C:\Users\Admin\AppData\Local\Temp\Cab6C3D.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar6D8B.tmp

    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/1732-20-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-5-0x0000000000420000-0x0000000000426000-memory.dmp

    Filesize

    24KB

  • memory/1732-6-0x0000000000710000-0x000000000073A000-memory.dmp

    Filesize

    168KB

  • memory/1732-1-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1732-2-0x00000000003B0000-0x00000000003B6000-memory.dmp

    Filesize

    24KB

  • memory/1732-3-0x0000000004920000-0x0000000004960000-memory.dmp

    Filesize

    256KB

  • memory/1732-4-0x0000000000530000-0x00000000005CA000-memory.dmp

    Filesize

    616KB

  • memory/1732-0-0x0000000000810000-0x00000000008A4000-memory.dmp

    Filesize

    592KB

  • memory/1976-18-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-17-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-19-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1976-21-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-22-0x0000000002300000-0x0000000002340000-memory.dmp

    Filesize

    256KB

  • memory/1976-13-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-11-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-9-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-7-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1976-103-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB