Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2025, 14:02

General

  • Target

    JaffaCakes118_671abad82fb56ab716e9e0ffbca116ce.exe

  • Size

    1.8MB

  • MD5

    671abad82fb56ab716e9e0ffbca116ce

  • SHA1

    3707df01e839d5b67604debfbc762011593eb822

  • SHA256

    00d778b5fc11785ec2e51beb292a872a790a54a48889558ca64f03d8e9a1a6fd

  • SHA512

    c0d560081734ade5adcc32d401a014b53410270e1a8e97065bf2c04decdeece555762b6834dd20366aa4b75586a6dcdb6616f7b004d8ff429f3681d862bc2bdf

  • SSDEEP

    49152:CG6rYHQQFDut9t96xHVur1h63EuHenNMZ+Kzi:q8HQSosHM63EEWNMvzi

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • RevcodeRat, WebMonitorRat

    WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

  • WebMonitor payload 4 IoCs
  • Webmonitor family
  • Detected Nirsoft tools 1 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Unexpected DNS network traffic destination 7 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Indicator Removal: File Deletion 1 TTPs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 6 IoCs

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

  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Access Token Manipulation: Create Process with Token 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies data under HKEY_USERS 41 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671abad82fb56ab716e9e0ffbca116ce.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671abad82fb56ab716e9e0ffbca116ce.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3204
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Access Token Manipulation: Create Process with Token
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2572
      • C:\Windows\System32\sc.exe
        "C:\Windows\System32\sc.exe" stop WinDefend
        3⤵
        • Launches sc.exe
        PID:5072
    • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Executes dropped EXE
      • Access Token Manipulation: Create Process with Token
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse
        3⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4732
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Hnvcckcidfhn.vbs"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\client.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3580
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 5; Remove-Item -Path "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671abad82fb56ab716e9e0ffbca116ce.exe" -Force
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:760
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671abad82fb56ab716e9e0ffbca116ce.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_671abad82fb56ab716e9e0ffbca116ce.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    0dfb8df09ee78020de3393c69f2b77c3

    SHA1

    a6dab11239e12d19076328b2164b5d5eb36fd2ae

    SHA256

    75610ff0489ca5d08257264f689ff40a9536efd2f2e4ea8d4f671e0e576ed175

    SHA512

    82fc597deae462581ec792eb08137d9f1ca8cc5045e8ec754b2641659bb2cf75d2be547fccc61a9bad776b5b09be918e80929d551f9531c1ef9650bb9d06a643

  • C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe

    Filesize

    88KB

    MD5

    17fc12902f4769af3a9271eb4e2dacce

    SHA1

    9a4a1581cc3971579574f837e110f3bd6d529dab

    SHA256

    29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

    SHA512

    036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

  • C:\Users\Admin\AppData\Local\Temp\_Hnvcckcidfhn.vbs

    Filesize

    174B

    MD5

    feda97cc79935ff267c380710e5526e9

    SHA1

    6a530ce454743f709d4dad5d906094e8186b55f5

    SHA256

    e1747ba74fc44e55409922fe4cb9a610655ae1f62e322dd3e610b08044fdd6a1

    SHA512

    bbdbc421d6f3df0146bfacb503337aa19706e8f81245bc187a2076dea703245f52aaf49e3031a277d040f3405f54122952264be7ad4e0eb3682ffb6e7257ce1f

  • C:\Windows\Temp\__PSScriptPolicyTest_isze1jmi.jgt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/760-39-0x0000000004D00000-0x0000000004D22000-memory.dmp

    Filesize

    136KB

  • memory/760-53-0x0000000005700000-0x0000000005A54000-memory.dmp

    Filesize

    3.3MB

  • memory/760-65-0x0000000005CE0000-0x0000000005D2C000-memory.dmp

    Filesize

    304KB

  • memory/760-64-0x0000000005CB0000-0x0000000005CCE000-memory.dmp

    Filesize

    120KB

  • memory/760-69-0x00000000061B0000-0x00000000061CA000-memory.dmp

    Filesize

    104KB

  • memory/760-40-0x0000000005620000-0x0000000005686000-memory.dmp

    Filesize

    408KB

  • memory/760-92-0x0000000006280000-0x00000000062A2000-memory.dmp

    Filesize

    136KB

  • memory/760-41-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/760-68-0x0000000007520000-0x0000000007B9A000-memory.dmp

    Filesize

    6.5MB

  • memory/760-38-0x0000000004F80000-0x00000000055A8000-memory.dmp

    Filesize

    6.2MB

  • memory/760-37-0x0000000002370000-0x00000000023A6000-memory.dmp

    Filesize

    216KB

  • memory/3204-3-0x0000000005380000-0x000000000553E000-memory.dmp

    Filesize

    1.7MB

  • memory/3204-35-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-2-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

    Filesize

    4KB

  • memory/3204-5-0x0000000005840000-0x00000000058FE000-memory.dmp

    Filesize

    760KB

  • memory/3204-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

    Filesize

    4KB

  • memory/3204-1-0x0000000000670000-0x000000000083E000-memory.dmp

    Filesize

    1.8MB

  • memory/3204-7-0x0000000074FF0000-0x00000000757A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3204-4-0x0000000005CF0000-0x0000000006294000-memory.dmp

    Filesize

    5.6MB

  • memory/3292-36-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/3292-32-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/3292-66-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/3292-31-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/3292-33-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/3292-67-0x0000000000400000-0x00000000005F7000-memory.dmp

    Filesize

    2.0MB

  • memory/3580-71-0x0000000070C60000-0x0000000070CAC000-memory.dmp

    Filesize

    304KB

  • memory/3580-84-0x0000000007170000-0x0000000007206000-memory.dmp

    Filesize

    600KB

  • memory/3580-70-0x0000000006D40000-0x0000000006D72000-memory.dmp

    Filesize

    200KB

  • memory/3580-89-0x0000000007210000-0x0000000007218000-memory.dmp

    Filesize

    32KB

  • memory/3580-81-0x0000000006DA0000-0x0000000006DBE000-memory.dmp

    Filesize

    120KB

  • memory/3580-82-0x0000000006DC0000-0x0000000006E63000-memory.dmp

    Filesize

    652KB

  • memory/3580-83-0x0000000006F60000-0x0000000006F6A000-memory.dmp

    Filesize

    40KB

  • memory/3580-88-0x0000000007230000-0x000000000724A000-memory.dmp

    Filesize

    104KB

  • memory/3580-85-0x00000000070F0000-0x0000000007101000-memory.dmp

    Filesize

    68KB

  • memory/3580-86-0x0000000007120000-0x000000000712E000-memory.dmp

    Filesize

    56KB

  • memory/3580-87-0x0000000007130000-0x0000000007144000-memory.dmp

    Filesize

    80KB

  • memory/4732-54-0x00007FFAA16B0000-0x00007FFAA2171000-memory.dmp

    Filesize

    10.8MB

  • memory/4732-26-0x00007FFAA16B0000-0x00007FFAA2171000-memory.dmp

    Filesize

    10.8MB

  • memory/4732-23-0x00007FFAA16B0000-0x00007FFAA2171000-memory.dmp

    Filesize

    10.8MB

  • memory/4732-13-0x0000020D7BB70000-0x0000020D7BB92000-memory.dmp

    Filesize

    136KB

  • memory/4732-12-0x00007FFAA16B3000-0x00007FFAA16B5000-memory.dmp

    Filesize

    8KB