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Overview

overview

10

Static

static

7

eec4560154...18.exe

windows7-x64

10

eec4560154...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    132s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 00:55

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General

  • Target

    eec456015479026f2a24f3dd8806eca0_JaffaCakes118.exe

  • Size

    94KB

  • MD5

    eec456015479026f2a24f3dd8806eca0

  • SHA1

    336a227d820fb2c6c8e8644e01b170e48f07d82f

  • SHA256

    d90dd97fbeca4377a9783c3ecc84889982fdbdd920ed4c1d04d879c68ac834c7

  • SHA512

    bc0e67e67c1695dc92ed9540560f92becd565caefe45880e0e8635e8df4cca99244256b30c1982df98b5c4911991c868303ff5e3838881a51615f8564e642097

  • SSDEEP

    1536:LOM0m2EQFVRfF1nfbghAN4v/8om9lPMSk/+FOyj0XJJ2aErQNHjFZ:LO/Eo7t1nfboAGDslPMSkuO9AxrQNHjr

Score
10/10
adwaredefense_evasiondiscoverypersistencestealer

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Internet Explorer settings 1 TTPs 41 IoCs
    adwarespyware
  • Modifies registry class 50 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eec456015479026f2a24f3dd8806eca0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eec456015479026f2a24f3dd8806eca0_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://www.dao78.cn/tongji/count/count.asp?id=00-00-00-00-00-00&ver=1.0
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4312
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4312 CREDAT:17410 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2008
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c regsvr32 /s c:\windows\system32\ieupdate.dll
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5048
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32 /s c:\windows\system32\ieupdate.dll
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:3328
    • C:\Windows\SysWOW64\autoups.exe
      autoups.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c color 0a
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2844
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Windows\SysWOW64\autoups.exe > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2824
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\a.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4184

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    471B

    MD5

    ed05e58945ed7a2c9b1cdfc86642b6ed

    SHA1

    57c72c87f05d91b39f235af6688c13c8d9749c67

    SHA256

    c4e101f22a067b19a4629a48e893f9cd842b9a709a979208c9c5bb06724124ab

    SHA512

    853107d0ed6191d3a79e2e31d2b41873ccc67ac8bddaeb4ba902cc27342a5bbb127ed98828fa499e1f898d6304da2a05b93457490873f44b5987df780801ef8a

    Download Submit

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
    Filesize

    404B

    MD5

    35892d276b788bc25918cf75bff59251

    SHA1

    2406c053bca3f0f7834b16cab69d558e1a7f57d8

    SHA256

    0d425a8b79fc917b38cc47eb44d91fb12971fd765d7864bae7cd3aebee0f2da0

    SHA512

    99805dd10752fdfb4eaaa6b9dfb8c13369e520ff5d89e3812934a8bd1d190c01b0ff330e0402219be5e2b5c688410a4d8b01dd1bd7435d3577428d802b1609c2

    Download Submit

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YHMF37VK\suggestions[1].en-US
    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\a.bat
    Filesize

    218B

    MD5

    ac2e7ca5909d0c139a8fa84641fbd5bd

    SHA1

    3e1827ff992a976f2e979ff0aa0fbc1475183d11

    SHA256

    e8c58fffc48ce9364567d21c10e49b4a3bd4ffde4972d5e4e36d519eb9f98237

    SHA512

    f19448e4ddbaa2da811409cc5829a0fe92f67e3e831d689c6ee267f1a748f98a1f6d957f37db25922e381fbcad59d17dee294f465b03a8bc3de8b3416fe653d5

    Download Submit

  • C:\Windows\SysWOW64\autoups.exe
    Filesize

    180KB

    MD5

    22cb3a551f770013b87d080e18c8f705

    SHA1

    71f207cd184ef3e62f58472ffeaa47dbb1b06df4

    SHA256

    6362e53304c62b7183a43f1462719de95a16462d4a3607a993f5504f039e1192

    SHA512

    b80e5480108a40ba672089409e633eeadbf3f7dccfe10114fd25c7412540a1c1aa0b9e776c12b07dcfee555057ec8356043aa2a8e5fde316a0694ac86cc345e4

    Download Submit

  • \??\c:\windows\SysWOW64\ieupdate.dll
    Filesize

    36KB

    MD5

    f129037d2b48bc4cf68c2057c087bf0f

    SHA1

    ec5b9aec356374b5c734698ae587f2faa344e9f9

    SHA256

    3b02cf5ba7165cf551f2cdebfb53200914cec6f175c38656ef7817a8153eb4d7

    SHA512

    a6cc088716cbc0e5615f8c487ac85b423b7e8b593e5aa60ed217adaf0e3689cfb189e43a730ab38f71a250570e0fcaa240cade6a61ed10bcce99f4b39ce34216

    Download Submit

  • memory/4756-0-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

    Download

  • memory/4756-14-0x0000000000400000-0x0000000000453000-memory.dmp

    Filesize

    332KB

    Download