Analysis Overview
SHA256
afcaaf746e58ff7c2976963accf7b032cb21a028a6857b5a7f542dbb335b2b2c
Threat Level: Known bad
The file 39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
UAC bypass
HawkEye
Loads dropped DLL
Executes dropped EXE
Deletes itself
Checks computer location settings
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies registry key
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-07-11 14:05
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-11 14:05
Reported
2024-07-11 14:07
Platform
win7-20240704-en
Max time kernel
149s
Max time network
121s
Command Line
Signatures
HawkEye
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\System\\mvscavAP.exe" | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\wins = "C:\\WINDOWS\\ctfmon.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\wins = "C:\\WINDOWS\\ctfmon.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2500 set thread context of 2724 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
| PID 2568 set thread context of 2544 | N/A | C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\WINDOWS\ctfmon.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| File opened for modification | C:\WINDOWS\ctfmon.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| File created | C:\WINDOWS\ctfmon.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Enumerates physical storage devices
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe
"C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe"
C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe
"C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\SysWOW64\reg.exe
reg add hklm\software\microsoft\windows\currentversion\run /v wins /t reg_sz /d C:\WINDOWS\ctfmon.exe /f
C:\Windows\SysWOW64\reg.exe
reg add hklm\software\microsoft\windows\currentversion\run /v wins /t reg_sz /d C:\WINDOWS\ctfmon.exe /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | jjij.in | udp |
| US | 8.8.8.8:53 | jjij.in | udp |
Files
memory/2092-0-0x0000000074581000-0x0000000074582000-memory.dmp
memory/2092-1-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/2092-2-0x0000000074580000-0x0000000074B2B000-memory.dmp
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
| MD5 | 39701f5c18d18cd690f7ded4f1ea958e |
| SHA1 | 982abd7a3c93c48536917a958fc97252f5e225e1 |
| SHA256 | afcaaf746e58ff7c2976963accf7b032cb21a028a6857b5a7f542dbb335b2b2c |
| SHA512 | cb804688ca6496a0f4a06f56a561134aaf1f9631b2e4e8de4ffa5a7ca183c7d8a221a8d3a3ea33efe7a6505bfab5dea115f9ac24b33333f4523bad68433314ff |
memory/2500-15-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/2092-14-0x0000000074580000-0x0000000074B2B000-memory.dmp
memory/2500-16-0x0000000074580000-0x0000000074B2B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | f12133d461ae93607418ef1c0d1ff5eb |
| SHA1 | ff555c4a7875ac2375a5ed2fa8b29982b1b2dc61 |
| SHA256 | ed2685597be7038bd55083c086f9da96b9aec167241405baad6929474a1de5d1 |
| SHA512 | 498f51923dddfe79c96e2b0fbdd8f6deafa47a4f169d669952a22634c4693e6e760ca5beb234a25c870948f9a5de3b60bb13f79f40715ddf971ad5ac26021fcb |
memory/2724-24-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2724-22-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2724-32-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2724-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2724-26-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2724-35-0x0000000000800000-0x0000000000851000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe
| MD5 | 1e065c8186d7d23b9fad718e030ad963 |
| SHA1 | ed1f41e4d34ed3321eb9dfbc6ac82b322de0c904 |
| SHA256 | 45c1f790d9b856ccc02aa6be9f1102734fd9df534f6cea3b905de0698caedfdb |
| SHA512 | feef86acf449371102d4bf7a3b6aa50ebafff01d4f23c9bf24f69e35faf92956f205d8c8ea082d615e62b680ed1038dfda6e4e099707be45c2b7bdf32bffbc23 |
memory/2544-60-0x0000000000240000-0x0000000000291000-memory.dmp
C:\WINDOWS\ctfmon.exe
| MD5 | 0f01571a3e4c71eb4313175aae86488e |
| SHA1 | 2ba648afe2cd52edf5f25e304f77d457abf7ac0e |
| SHA256 | 8cc51c4c2efc8c6a401aa83a0aeced0925d5d9d2a43192f35561893cdf704022 |
| SHA512 | 159dfbb7d385bf92f4fc48ca389b89d69f6c2616e90dfa056e725d7da78a3702694a28f9c5cab7b55adc4d4dbd7bfe5d272c8b1c9931e3ac95f6326d74576794 |
memory/2724-66-0x0000000000400000-0x000000000040C000-memory.dmp
memory/2500-67-0x0000000074580000-0x0000000074B2B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-11 14:05
Reported
2024-07-11 14:07
Platform
win10v2004-20240709-en
Max time kernel
150s
Max time network
94s
Command Line
Signatures
HawkEye
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| Key value queried | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wins = "C:\\WINDOWS\\ctfmon.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\wins = "C:\\WINDOWS\\ctfmon.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows® Operating System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\System\\mvscavAP.exe" | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 760 set thread context of 4464 | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
| PID 664 set thread context of 2436 | N/A | C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\WINDOWS\ctfmon.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| File opened for modification | C:\WINDOWS\ctfmon.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| File opened for modification | C:\WINDOWS\ctfmon.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Enumerates physical storage devices
Modifies registry key
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39701f5c18d18cd690f7ded4f1ea958e_JaffaCakes118.exe"
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe
"C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe"
C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe
"C:\Users\Admin\AppData\Local\Temp\System\SiaPort.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
C:\Windows\SysWOW64\reg.exe
reg add hklm\software\microsoft\windows\currentversion\run /v wins /t reg_sz /d C:\WINDOWS\ctfmon.exe /f
C:\Windows\SysWOW64\reg.exe
reg add hklm\software\microsoft\windows\currentversion\run /v wins /t reg_sz /d C:\WINDOWS\ctfmon.exe /f
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 71.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.140.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jjij.in | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 192.142.123.92.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.236.111.52.in-addr.arpa | udp |
Files
memory/116-0-0x00000000747E2000-0x00000000747E3000-memory.dmp
memory/116-1-0x00000000747E0000-0x0000000074D91000-memory.dmp
memory/116-2-0x00000000747E0000-0x0000000074D91000-memory.dmp
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\explorer.exe
| MD5 | 39701f5c18d18cd690f7ded4f1ea958e |
| SHA1 | 982abd7a3c93c48536917a958fc97252f5e225e1 |
| SHA256 | afcaaf746e58ff7c2976963accf7b032cb21a028a6857b5a7f542dbb335b2b2c |
| SHA512 | cb804688ca6496a0f4a06f56a561134aaf1f9631b2e4e8de4ffa5a7ca183c7d8a221a8d3a3ea33efe7a6505bfab5dea115f9ac24b33333f4523bad68433314ff |
memory/116-13-0x00000000747E0000-0x0000000074D91000-memory.dmp
memory/760-14-0x00000000747E0000-0x0000000074D91000-memory.dmp
memory/760-15-0x00000000747E0000-0x0000000074D91000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
| MD5 | f12133d461ae93607418ef1c0d1ff5eb |
| SHA1 | ff555c4a7875ac2375a5ed2fa8b29982b1b2dc61 |
| SHA256 | ed2685597be7038bd55083c086f9da96b9aec167241405baad6929474a1de5d1 |
| SHA512 | 498f51923dddfe79c96e2b0fbdd8f6deafa47a4f169d669952a22634c4693e6e760ca5beb234a25c870948f9a5de3b60bb13f79f40715ddf971ad5ac26021fcb |
memory/4464-21-0x0000000000400000-0x000000000040C000-memory.dmp
memory/4464-23-0x0000000000400000-0x000000000040C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\System\mvscavAP.exe
| MD5 | 1e065c8186d7d23b9fad718e030ad963 |
| SHA1 | ed1f41e4d34ed3321eb9dfbc6ac82b322de0c904 |
| SHA256 | 45c1f790d9b856ccc02aa6be9f1102734fd9df534f6cea3b905de0698caedfdb |
| SHA512 | feef86acf449371102d4bf7a3b6aa50ebafff01d4f23c9bf24f69e35faf92956f205d8c8ea082d615e62b680ed1038dfda6e4e099707be45c2b7bdf32bffbc23 |
memory/3520-36-0x00000000747E0000-0x0000000074D91000-memory.dmp
C:\WINDOWS\ctfmon.exe
| MD5 | d41d8cd98f00b204e9800998ecf8427e |
| SHA1 | da39a3ee5e6b4b0d3255bfef95601890afd80709 |
| SHA256 | e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855 |
| SHA512 | cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e |
memory/760-48-0x00000000747E0000-0x0000000074D91000-memory.dmp
memory/3520-49-0x00000000747E0000-0x0000000074D91000-memory.dmp