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Overview

overview

10

Static

static

3

a9c23eddb8...18.exe

windows7-x64

10

a9c23eddb8...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 05:25

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General

  • Target

    a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe

  • Size

    680KB

  • MD5

    a9c23eddb8ccb3008ef6dcf7500dc833

  • SHA1

    14440dd1c9dcb5ee0aafacd4fa6e4457ac8bf1da

  • SHA256

    70fa8d9e6b819e18967b7e4d8a7fc50030800c9427d66b657dda837a0a434052

  • SHA512

    415d65be32ee25d5b1e1676e005bbb315aced8597e11038c5bcaae0541b15715767bc72f7a22e17eacc0eb1436a04204c6df51344df34a1ad1a2b3b51d65403e

  • SSDEEP

    12288:qClephVMo7IYJAB++2RrxRAjbeNC2v+clES+vYOqH:fOhKpYyB/MrxRAZMES+b+

Score
10/10
discoveryevasionpersistenceupx

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 4 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Drops desktop.ini file(s) 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
    discovery
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 13 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 2 IoCs
    adwarespyware
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3492
    • C:\Users\Admin\AppData\Local\Temp\a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3416
      • C:\Users\Admin\GFW6ssUz.exe
        C:\Users\Admin\GFW6ssUz.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1256
        • C:\Users\Admin\xiliv.exe
          "C:\Users\Admin\xiliv.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:3744
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del GFW6ssUz.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1044
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:3824
      • C:\Users\Admin\2kaq.exe
        C:\Users\Admin\2kaq.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3376
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:4108
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:1764
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:3096
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:1728
        • C:\Users\Admin\2kaq.exe
          "C:\Users\Admin\2kaq.exe"
          4⤵
          • Executes dropped EXE
          PID:1900
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1900 -s 80
            5⤵
            • Program crash
            PID:3212
      • C:\Users\Admin\3kaq.exe
        C:\Users\Admin\3kaq.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1280
        • C:\Users\Admin\AppData\Local\fab7201a\X
          *0*bc*c2115642*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:316
      • C:\Users\Admin\4kaq.exe
        C:\Users\Admin\4kaq.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4840
        • C:\Users\Admin\AppData\Roaming\x3wvvuugpgaveju1d1adbxjiyhx22kgy2\svcnost.exe
          "C:\Users\Admin\AppData\Roaming\x3wvvuugpgaveju1d1adbxjiyhx22kgy2\svcnost.exe"
          4⤵
          • Modifies firewall policy service
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops desktop.ini file(s)
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer settings
          PID:1240
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del a9c23eddb8ccb3008ef6dcf7500dc833_JaffaCakes118.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1000
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4612
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1900 -ip 1900
    1⤵
      PID:2244

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Create or Modify System Process

    1
    T1543

    Windows Service

    1
    T1543.003

    Defense Evasion

    Hide Artifacts

    1
    T1564

    Hidden Files and Directories

    1
    T1564.001

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Modify Registry

    4
    T1112

    Credential Access

    Discovery

    Peripheral Device Discovery

    1
    T1120

    Process Discovery

    1
    T1057

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    System Location Discovery

    1
    T1614

    System Language Discovery

    1
    T1614.001

    Lateral Movement

    Collection

    Command and Control

    Exfiltration

    Impact

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2kaq.exe
      Filesize

      132KB

      MD5

      d7dbb57f65cb963477a8fa11714ec0be

      SHA1

      756d29032644973b9f48980a1e30448206811119

      SHA256

      94242fda567e2b4dc0be9d4ca5370ff0ddee2d25751dd191c3fed995837c10ec

      SHA512

      1db3577abd73c8c8667da426faedf63ad9c7a75462cbeac0be19a525690baaa9f1d8446d3b804abbf24550d73cbefecf6c77c224539e8dd5db37f34f7e975fdc

      Download Submit

    • C:\Users\Admin\3kaq.exe
      Filesize

      277KB

      MD5

      00b72668c42555c6d9e3cee383730fc0

      SHA1

      509a7c39baf2b9a46813c641cca687b37e244d5a

      SHA256

      baaacce5c3f18154d4925ec6568ccf66f4ab9ee5477bd0faf44f08d9397641dd

      SHA512

      1bfa5cd6081a5e8556b452cf4741831da829fcc9e2b51c77c92a4fdacfa1b934d14bc049f8185be09b1447664f55956f69e7fd16a868c9655eb32f9b9ef02e78

      Download Submit

    • C:\Users\Admin\4kaq.exe
      Filesize

      120KB

      MD5

      ee3508d5206de400e5792c826ae71aae

      SHA1

      b448132f604b7e886343b911cc56371a7f251c04

      SHA256

      f6226f935ea3d5ecc4be3ccf6a59caff31ed3e6bd35c5d26fbe3906b4379b35d

      SHA512

      233f72bf8cf5d72b7f7c09bf546220fa0c34511330349fa28ef4c746b19f59696b5e515a7d345862430979800be354ab954aa55f79747a83d601abdf32bd24fb

      Download Submit

    • C:\Users\Admin\AppData\Local\fab7201a\X
      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

      Download Submit

    • C:\Users\Admin\AppData\Roaming\desktop.ini
      Filesize

      9KB

      MD5

      4a27242b307c6a836993353035fafc16

      SHA1

      5fea7a41b8f9071848108015d8a952e6f944eea0

      SHA256

      02fd93f64bda51e1e2991184cac13f077d509712e462c9e44be9cf8e22c06de1

      SHA512

      35e9c87642b82df2bf0a9312bb0e9abfb98282db1e34032a4d0150d82c5e2f2e13150ddc896f1e954f02288a1e696a4306ee595b94b1e404c6ec17bac64c44be

      Download Submit

    • C:\Users\Admin\AppData\Roaming\ntuser.dat
      Filesize

      54KB

      MD5

      7e8e966927e04a35aec644602b8a9e05

      SHA1

      d201b0b41e8701818d60ddbf9f334332a512c4da

      SHA256

      46f18d9fbf63f378d86962cbf24f5ce57ce257555acd4effdcc41c1e2f1adf5c

      SHA512

      246777c79129a5076b71ca5d3f7e59b06d344f6b5e771892ae8ee68c0b5af9207cd1868b1336b49e6a84665309ad379a33ec6c8e72d7ce41de72153637921a51

      Download Submit

    • C:\Users\Admin\GFW6ssUz.exe
      Filesize

      312KB

      MD5

      d0250c92bd9e6c62c0c8227ea7bc0df4

      SHA1

      9a9fd691422b105c5e008764b980d1568c2df957

      SHA256

      ee113e2ee5cd0d396af0e79c2390d059355d24e426886bbacda44d7f39a28007

      SHA512

      99ab659dd56fabf0bd488f754cc7d1b166e1727b5a742d4262062946b5aa79577499fff55e434b6dbe05efa11e9ce2ce58cf68f30e29d9b5580e20de4e974200

      Download Submit

    • C:\Users\Admin\xiliv.exe
      Filesize

      312KB

      MD5

      d40409eb3053209f0faf3a26265574ae

      SHA1

      a3f19235a2859e5d0810c68af897a861acf3f2d0

      SHA256

      a43878b7b764008a9990ac215da3ff368797ff0c4296c8c179d66d01f3006023

      SHA512

      ec2a49c448c31843d12e4c69aed976bbbf76aeee130c55c5d9170f39f0c521d824c78973e033df2eeb5b9ad6ae8613bcc63ff0cdac175697b416ee2c0e3f62c3

      Download Submit

    • memory/1240-101-0x0000000000DB0000-0x0000000000DCD000-memory.dmp

      Filesize

      116KB

      Download

    • memory/1240-97-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

      Download

    • memory/1240-102-0x0000000000DB0000-0x0000000000DCD000-memory.dmp

      Filesize

      116KB

      Download

    • memory/1240-120-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

      Download

    • memory/1280-86-0x0000000030670000-0x00000000306C3000-memory.dmp

      Filesize

      332KB

      Download

    • memory/1728-96-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1728-68-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1728-66-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1728-64-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/1764-59-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1764-58-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1764-53-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/1764-61-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

      Download

    • memory/3096-71-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/3096-70-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/3096-62-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/3096-95-0x0000000000400000-0x0000000000427000-memory.dmp

      Filesize

      156KB

      Download

    • memory/4108-47-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4108-84-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4108-50-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4108-52-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/4840-100-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

      Download

    • memory/4840-91-0x0000000000400000-0x0000000000B19000-memory.dmp

      Filesize

      7.1MB

      Download