Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
13-10-2024 10:59
Static task
static1
Behavioral task
behavioral1
Sample
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe
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Size
542KB
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MD5
3f7796b18d43116c3d6d7f4de0308a78
-
SHA1
f4ac30bca8efb3824aa1a3cd32c9d81ac63d0832
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SHA256
244bdfbb8ab05f2b10783b17617c16e0d37aa39f66a1d248f4d4a127a3f9db9f
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SHA512
bfd6b7b4d55547a6fbf73e0d93511ded9bf3a0f42e4c5a5eb1d324f91f3e771a80f6e77b6b3813e75898d4ed1b3f2503ba83d84248abb141abb7dc67430cc1f2
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SSDEEP
12288:sbsaEuPjbITYEqJ5X1yyLZUzHxedJaOoMPP1StOA/:s5PjZvXKMsPftOA/
Malware Config
Extracted
nanocore
1.2.2.0
cloudhost.myfirewall.org:5654
9845a945-f2ff-4e93-b909-aece664ddb48
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activate_away_mode
true
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backup_connection_host
cloudhost.myfirewall.org
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backup_dns_server
cloudhost.myfirewall.org
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buffer_size
65535
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build_time
2021-06-20T04:14:27.248073436Z
-
bypass_user_account_control
false
-
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
5654
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default_group
J
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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
9845a945-f2ff-4e93-b909-aece664ddb48
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
cloudhost.myfirewall.org
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primary_dns_server
cloudhost.myfirewall.org
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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:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription pid Process procid_target PID 4156 set thread context of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 -
Drops file in Program Files directory 2 IoCs
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription ioc Process File created C:\Program Files (x86)\SMTP Subsystem\smtpss.exe 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\SMTP Subsystem\smtpss.exe 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 7 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
schtasks.exe3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exepowershell.exepowershell.exepowershell.exe3f7796b18d43116c3d6d7f4de0308a78_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 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2144 schtasks.exe 2112 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
powershell.exepowershell.exepowershell.exe3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exepid Process 4324 powershell.exe 4324 powershell.exe 2828 powershell.exe 2828 powershell.exe 2476 powershell.exe 2476 powershell.exe 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exepid Process 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exepowershell.exepowershell.exepowershell.exe3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription pid Process Token: SeDebugPrivilege 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe Token: SeDebugPrivilege 4324 powershell.exe Token: SeDebugPrivilege 2828 powershell.exe Token: SeDebugPrivilege 2476 powershell.exe Token: SeDebugPrivilege 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exedescription pid Process procid_target PID 4156 wrote to memory of 4324 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 87 PID 4156 wrote to memory of 4324 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 87 PID 4156 wrote to memory of 4324 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 87 PID 4156 wrote to memory of 2828 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 89 PID 4156 wrote to memory of 2828 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 89 PID 4156 wrote to memory of 2828 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 89 PID 4156 wrote to memory of 2476 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 91 PID 4156 wrote to memory of 2476 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 91 PID 4156 wrote to memory of 2476 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 91 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 4156 wrote to memory of 936 4156 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 98 PID 936 wrote to memory of 2144 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 99 PID 936 wrote to memory of 2144 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 99 PID 936 wrote to memory of 2144 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 99 PID 936 wrote to memory of 2112 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 101 PID 936 wrote to memory of 2112 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 101 PID 936 wrote to memory of 2112 936 3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3f7796b18d43116c3d6d7f4de0308a78_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:4156 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 52⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4324
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 52⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2828
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -s 52⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2476
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C:\Users\Admin\AppData\Local\Temp\3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe2⤵
- 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:936 -
C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8567.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2144
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp85A7.tmp"3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2112
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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
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3f7796b18d43116c3d6d7f4de0308a78_JaffaCakes118.exe.log
Filesize425B
MD54eaca4566b22b01cd3bc115b9b0b2196
SHA1e743e0792c19f71740416e7b3c061d9f1336bf94
SHA25634ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb
SHA512bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1
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Filesize
1KB
MD54280e36a29fa31c01e4d8b2ba726a0d8
SHA1c485c2c9ce0a99747b18d899b71dfa9a64dabe32
SHA256e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359
SHA512494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4
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Filesize
16KB
MD5251245deec5a8f87f9b6d848b62d12d3
SHA15ea113109ad8c04355a9d80160e17c166df2bdfe
SHA256cac3a55b2935208e6da2004db68829e5def28c83651981538d6d9a33c5f1c179
SHA512b21588b98967903855d44551c06052324a189d03a986aa3c449ce8a16d7b6d26353a22216cfe067f2cd243b0e469290792095a926fabd589d9e5af078c173d5f
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Filesize
16KB
MD5ff63c6c7e23350b6b5c659b46ebe0d6b
SHA105a510023b5421f8b942015136cff9b7fa419e32
SHA256f1a98de33085c54c542e8b8a5d5e2a1533dd8a6faff22293f2f765968ec231f0
SHA5121f7fbdd51a6377adc332641acf04778e337c4b21f5ba633b42170a7919a70c2d746a8e600db1e6630d1ea01e2c1f2c561e33c8ad057c3b1f835b4631f238037a
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD566d0f7b9d6221e039b49f097a77cbd03
SHA1106793afa1c3d65aafc018982127be3561a91573
SHA25649e1af7004b3e37295c54e7a6cf0fae9f137ca2109a1b555ca1f53445c312f3c
SHA512644dc4b16cda90dd8d3334b8775149044795757f8c5e90999dadc92771a7787d5be806f7ea3ddf6fc9bc652fdfda76ae1720772313c0fe69fd9308585ee2e842
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Filesize
1KB
MD50339b45ef206f4becc88be0d65e24b9e
SHA16503a1851f4ccd8c80a31f96bd7ae40d962c9fad
SHA2563d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83
SHA512c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551