Analysis
-
max time kernel
150s -
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
15-08-2024 07:11
Static task
static1
Behavioral task
behavioral1
Sample
995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
Resource
win7-20240704-en
General
-
Target
995847785e475c64d1e81917b89eb646_JaffaCakes118.exe
-
Size
1.3MB
-
MD5
995847785e475c64d1e81917b89eb646
-
SHA1
0c6677b8ca7d0260263930433e58788e4bc9b7e6
-
SHA256
9e08f4bedc659a9e1d7f476cdf1cf63928e09b12cd6b1b2393a16ea2ab7cfe03
-
SHA512
984b1bf500caa562ed4b31ebf322ae2aded853d12f713a9a3d837cf24e6e685654587f223e72ee7fde5539e88d35fba2b7fdec1454ce2c0764d86ef48d6edae5
-
SSDEEP
24576:py+SSn2vdDfO2rgaow4RiqEa7YSe1i9wO1fg0yQp8xnrL5:4+Vn2vdHgtw4ZFdX3g0PpYF
Malware Config
Extracted
nanocore
1.2.2.0
office1.servemp3.com:2017
d87de095-b054-44d3-a032-be422776e3c0
-
activate_away_mode
true
- backup_connection_host
-
backup_dns_server
8.8.4.4
-
buffer_size
65535
-
build_time
2020-07-04T08:30:05.657848036Z
-
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
2017
-
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
d87de095-b054-44d3-a032-be422776e3c0
-
mutex_timeout
5000
-
prevent_system_sleep
false
-
primary_connection_host
office1.servemp3.com
-
primary_dns_server
8.8.8.8
-
request_elevation
true
-
restart_delay
5000
-
run_delay
0
-
run_on_startup
false
-
set_critical_process
true
-
timeout_interval
5000
-
use_custom_dns_server
false
-
version
1.2.2.0
-
wan_timeout
8000
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe" 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription pid process target process PID 3608 set thread context of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription ioc process File created C:\Program Files (x86)\WPA Subsystem\wpass.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\WPA Subsystem\wpass.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
schtasks.exe995847785e475c64d1e81917b89eb646_JaffaCakes118.exeschtasks.exe995847785e475c64d1e81917b89eb646_JaffaCakes118.exeschtasks.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 995847785e475c64d1e81917b89eb646_JaffaCakes118.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 232 schtasks.exe 1304 schtasks.exe 2640 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exe995847785e475c64d1e81917b89eb646_JaffaCakes118.exepid process 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exepid process 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exe995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe Token: SeDebugPrivilege 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
995847785e475c64d1e81917b89eb646_JaffaCakes118.exe995847785e475c64d1e81917b89eb646_JaffaCakes118.exedescription pid process target process PID 3608 wrote to memory of 232 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 3608 wrote to memory of 232 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 3608 wrote to memory of 232 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 3608 wrote to memory of 1672 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 1672 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 1672 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 3608 wrote to memory of 4308 3608 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe PID 4308 wrote to memory of 1304 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 4308 wrote to memory of 1304 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 4308 wrote to memory of 1304 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 4308 wrote to memory of 2640 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 4308 wrote to memory of 2640 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe PID 4308 wrote to memory of 2640 4308 995847785e475c64d1e81917b89eb646_JaffaCakes118.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qvogBD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4716.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:232 -
C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"2⤵PID:1672
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C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\995847785e475c64d1e81917b89eb646_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- 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:4308 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4958.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1304 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4979.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2640
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD568802801ef325ffc9d289f5f242887c4
SHA1d0c3df4f8cc86d0a3821d1b088a2061a3fe15ef0
SHA256eae680aed2da7664a811e1903b25e6c054bb98b1b213cb639da68a357f1371e2
SHA512b9018ee60cb34f9d320eeac3bed106b90283c56d609444bd32027d0f5369192ec781aa5fb5f0090c641d51e83eaabdd76d682c984589d944aaa462fe8dc9f89c
-
Filesize
1KB
MD56b4fbb24bd193081ba5efd8afa7fd3e2
SHA15cce6826322713176dfd4807d8d1b4971a9a691a
SHA256b82391e4376a6681c2d9395b7c8ce0881ed519c77ffad8d10a0b148af5b1d351
SHA5125caae6637fdd4d2e53402413829791d5442b4dd84b61051d443ccf1dce8cead7958e2fa8b3dd20e79f5a2919c46b41df5235e7bb3608a039b4f511e9d72f42d6
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Filesize
1KB
MD54365cd1ae65923a319ef2683a45891fe
SHA185dde233112660e31c53884aedfbad52e4547e09
SHA25684b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58
SHA512d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035