Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
05-05-2024 11:09
Static task
static1
Behavioral task
behavioral1
Sample
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe
Resource
win7-20240221-en
General
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Target
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe
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Size
669KB
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MD5
1764b9bbfae2fb51e5d429b38ab2a608
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SHA1
63478b83fd8c548a13e1811dc545166cfe640225
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SHA256
22c1b6ff6835e90dbb3773779e25a637dbc147ac28ec5dd23b76a2e3eb9e5d3c
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SHA512
0c8a3772610e04d0d6769743260240512f67bd76b0ac258db78514a5e0f96ec83ce3bcf27ff9a20dec74bd3f637b85ecb4ce22f69e682c0852b7615dc2a11291
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SSDEEP
12288:QnVpn8YXr7siDvUvly/ue2+dMDemgLJt/smIAD51LnjS:QpXUiAvl6g4mqfUmb1LnjS
Malware Config
Extracted
nanocore
1.2.2.0
aje.ddns.net:9991
95795f41-f87a-457f-bd26-b82b159f6c71
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activate_away_mode
true
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backup_connection_host
aje.ddns.net
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2015-01-30T15:41:22.615452836Z
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bypass_user_account_control
true
- bypass_user_account_control_data
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clear_access_control
true
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clear_zone_identifier
true
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connect_delay
4000
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connection_port
9991
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default_group
Default
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enable_debug_mode
true
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gc_threshold
1.048576e+07
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keep_alive_timeout
30000
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keyboard_logging
false
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lan_timeout
2500
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max_packet_size
1.048576e+07
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mutex
95795f41-f87a-457f-bd26-b82b159f6c71
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mutex_timeout
5000
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prevent_system_sleep
true
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primary_connection_host
aje.ddns.net
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primary_dns_server
8.8.8.8
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request_elevation
true
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restart_delay
5000
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run_delay
0
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run_on_startup
false
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set_critical_process
true
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timeout_interval
5000
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use_custom_dns_server
false
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version
1.2.2.0
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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:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Service = "C:\\Program Files (x86)\\WPA Service\\wpasvc.exe" 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription pid process target process PID 4900 set thread context of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription ioc process File created C:\Program Files (x86)\WPA Service\wpasvc.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\WPA Service\wpasvc.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exepid process 1856 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1856 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1856 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exepid process 1856 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription pid process Token: SeDebugPrivilege 1856 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exedescription pid process target process PID 4900 wrote to memory of 1100 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe schtasks.exe PID 4900 wrote to memory of 1100 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe schtasks.exe PID 4900 wrote to memory of 1100 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe schtasks.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe PID 4900 wrote to memory of 1856 4900 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe 1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Update\Windows" /XML "C:\Users\Admin\AppData\Local\Temp\1659327424.xml"2⤵
- Creates scheduled task(s)
PID:1100 -
C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe"2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1856
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\1764b9bbfae2fb51e5d429b38ab2a608_JaffaCakes118.exe.log
Filesize312B
MD51754173b0ed4624c61fcf04f894e5bb6
SHA12fbf7999a2e14f19c9aeb1ac0e58b8a3859368b1
SHA25619e1f5731300f62cc4bb6eac90e96b7ff5de1bf8c13a434f1a7e38ee6927d757
SHA51263ae7b7da19c5b65ce73565042cf7386c8d53ab6645b901a9f684d5039e28addd91938d8d61cec153b675e80c25d92fae62bff53edf19914643c94f3a56db710
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Filesize
1KB
MD53daa16777c96e35ffd5e54faf9d947ad
SHA1e2405260313c9d04aa975f70b407c3abd726b265
SHA256aec32495009762a5576ab2054f0434d9512177d7b9a09b4de68b7ebbe8cfe0f0
SHA51217aedfd6349427c3925eb90417e1de14144a49b876709a6169fbe534071867bca40180e5f913b02c56537f53af9d768f6f50b6ffdd5cd8f5bf8150ef1c338667