Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
14-08-2024 10:12
Static task
static1
Behavioral task
behavioral1
Sample
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe
-
Size
458KB
-
MD5
95a92cb1e2eb45772520a4ead4f0c238
-
SHA1
af46b72a1bc9ced93ce5187b6e1817883f39d665
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SHA256
a3bd02befe701e339c84c365fbcde4f046b96a88942b86d38c479fcdd418af39
-
SHA512
3e8fe27fa892ea3f54b18296824d6c31e32353718c048da032a4aa981b536cad08b699f2745904678f33be7168a9e33a6e3d4a14f158e3466622f0cf93b41531
-
SSDEEP
12288:VnX0SCkPsVleAqBf8CBt+N/An1SivnUvZLWjqQ:VXUkkVMZBf8Cmon1SGUhLs
Malware Config
Extracted
nanocore
1.2.2.0
79.134.225.72:99
2e737272-72f6-4a08-b1b1-9604212c255c
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activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-07-06T02:26:21.105296836Z
-
bypass_user_account_control
false
-
bypass_user_account_control_data
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clear_access_control
true
-
clear_zone_identifier
false
-
connect_delay
4000
-
connection_port
99
-
default_group
Default
-
enable_debug_mode
true
-
gc_threshold
1.048576e+07
-
keep_alive_timeout
30000
-
keyboard_logging
false
-
lan_timeout
2500
-
max_packet_size
1.048576e+07
-
mutex
2e737272-72f6-4a08-b1b1-9604212c255c
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
79.134.225.72
-
primary_dns_server
8.8.8.8
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request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Processes:
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe -
Processes:
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe" RegSvcs.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exedescription pid process target process PID 4976 set thread context of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegSvcs.exedescription ioc process File created C:\Program Files (x86)\WAN Subsystem\wanss.exe RegSvcs.exe File opened for modification C:\Program Files (x86)\WAN Subsystem\wanss.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exepowershell.exeschtasks.exeRegSvcs.exeschtasks.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exeschtasks.exepid process 3624 schtasks.exe 4204 schtasks.exe 3548 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
powershell.exe95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exeRegSvcs.exepid process 2404 powershell.exe 2404 powershell.exe 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe 3840 RegSvcs.exe 3840 RegSvcs.exe 3840 RegSvcs.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegSvcs.exepid process 3840 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exeRegSvcs.exedescription pid process Token: SeDebugPrivilege 2404 powershell.exe Token: SeDebugPrivilege 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe Token: SeDebugPrivilege 3840 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exeRegSvcs.exedescription pid process target process PID 4976 wrote to memory of 2404 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe powershell.exe PID 4976 wrote to memory of 2404 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe powershell.exe PID 4976 wrote to memory of 2404 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe powershell.exe PID 4976 wrote to memory of 3624 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe schtasks.exe PID 4976 wrote to memory of 3624 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe schtasks.exe PID 4976 wrote to memory of 3624 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe schtasks.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 4976 wrote to memory of 3840 4976 95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe RegSvcs.exe PID 3840 wrote to memory of 4204 3840 RegSvcs.exe schtasks.exe PID 3840 wrote to memory of 4204 3840 RegSvcs.exe schtasks.exe PID 3840 wrote to memory of 4204 3840 RegSvcs.exe schtasks.exe PID 3840 wrote to memory of 3548 3840 RegSvcs.exe schtasks.exe PID 3840 wrote to memory of 3548 3840 RegSvcs.exe schtasks.exe PID 3840 wrote to memory of 3548 3840 RegSvcs.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\95a92cb1e2eb45772520a4ead4f0c238_JaffaCakes118.exe"1⤵
- Modifies Windows Defender Real-time Protection settings
- Checks computer location settings
- Windows security modification
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2404 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AlAVZExVU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90F0.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3624 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"2⤵
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp94B9.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4204 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9537.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3548
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD52e9d3cea3506a2fa4eedac8830ee1303
SHA1b5c66c7664cd243640f7a9be65f68e6094cc5f21
SHA25606badd2cf7f414af46c5c7b8ea4358fc32dd5cc08adb66c8176d4336dbc6573c
SHA5126701aedcb8a6aa3dbedcabc372af4383e3078bfeb9be3a03a986101690fd634f52ebcf819278dacc9e15539343303b8a1b725ac8a2f3ef00c386e983847c31c6
-
Filesize
1KB
MD540b11ef601fb28f9b2e69d36857bf2ec
SHA1b6454020ad2ceed193f4792b77001d0bd741b370
SHA256c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1
SHA512e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5
-
Filesize
1KB
MD502783aa0d9a1a2104300bdd910c9b6dc
SHA10c8409582f9e606183eca539cc493d82983a0fb0
SHA25659a13383f0495d96e868a7f41557d17f5afe15ce5548d7cc6c7501f6095f68fb
SHA51211ef8bceddd6c0dc0ecec3e5bfbabba4595368b8b9be01a38ccbeaa509b7f99960fea6bbd83a37ea9807f79a5db08cdba1ec8ac85443ffdc3c0f204760153854