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Analysis
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max time kernel
138s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25/09/2024, 16:59
Static task
static1
Behavioral task
behavioral1
Sample
f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe
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Size
611KB
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MD5
f674a21da9dd26cc1f1cface03062cdd
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SHA1
eb6093be0b0df9e63db9c33fbd197c9ee39a491e
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SHA256
b3e46aec1efa78debec55d76effbdbe80b1bb37dcdd0909c5429830c155bae24
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SHA512
68f45bddd2ed1515d07762dfb012329a4d9a4ab0e19fb9850351930e9818207d9edf0b9d1de38199f33062aca13f34385d1c04d8bd72f50dc7f4caa238e4541d
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SSDEEP
12288:+MEolJm/i35dNaAVlrPDA7JtCtyynJHJT6YashlM0JT6YashlM:q6Jm/odzVtbA7akIx9ashlV9ashl
Malware Config
Extracted
nanocore
1.2.2.0
kamuchehddhgfgf.ddns.net:1187
37.0.10.22:1187
baa1bd16-ba50-4743-8b51-41c36ee5d9d4
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activate_away_mode
true
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backup_connection_host
37.0.10.22
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2021-07-10T08:16:56.984441236Z
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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
false
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connect_delay
4000
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connection_port
1187
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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
baa1bd16-ba50-4743-8b51-41c36ee5d9d4
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
kamuchehddhgfgf.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Monitor = "C:\\Program Files (x86)\\NAS Monitor\\nasmon.exe" f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1952 set thread context of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\NAS Monitor\nasmon.exe f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe File created C:\Program Files (x86)\NAS Monitor\nasmon.exe f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 2424 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 2424 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 2424 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2424 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe Token: SeDebugPrivilege 2424 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1952 wrote to memory of 1292 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 89 PID 1952 wrote to memory of 1292 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 89 PID 1952 wrote to memory of 1292 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 89 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90 PID 1952 wrote to memory of 2424 1952 f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"2⤵PID:1292
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C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f674a21da9dd26cc1f1cface03062cdd_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
PID:2424
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f674a21da9dd26cc1f1cface03062cdd_JaffaCakes118.exe.log
Filesize1KB
MD5dc4f25880372b34bd321c7de4abb6616
SHA16e2f4c4f4ecaf53e0efcbe125572d3a78540e6fa
SHA256e7ab3c07cfef749272019922d17900c020ce4281750ce9698cddacf85645d1fd
SHA512f990c9ddf0749b55d861729a7adeb27338d783eaf9f8cf47e68f168bdf022b9ee52ee389219e6d58f7404cdf597cd76a1e5bbc4471ffbab67f6604f95854c9a5