Analysis
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max time kernel
150s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21-04-2024 08:56
Static task
static1
Behavioral task
behavioral1
Sample
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
Resource
win10v2004-20240412-en
General
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Target
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
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Size
291KB
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MD5
fee9cf8ec3de16009f0ffecdb2a8a831
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SHA1
93af1af6f4d7ba623f03892032a805a099e2ab3c
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SHA256
155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48
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SHA512
70e7e5b0810df304774d547d14546b13dfea0e4a69775589ec1d9727868e0dba9db76948749274ebfd11551465ec6a432edc77ead4111f713abc10fb713f6e66
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SSDEEP
6144:/FVFmmoBy8TCukZw8db2cETk0MmsN6798y89xih5Mp:9mhy8TCukZJ2cETkAs2jU
Malware Config
Extracted
nanocore
1.2.2.0
netserv.serveftp.com:55128
176.31.174.37:55128
4b736bf9-5142-40fe-ab51-5c64053db0ff
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activate_away_mode
true
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backup_connection_host
176.31.174.37
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backup_dns_server
8.8.4.4
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buffer_size
65535
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build_time
2015-04-03T18:30:02.293302936Z
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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
55128
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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
4b736bf9-5142-40fe-ab51-5c64053db0ff
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mutex_timeout
5000
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prevent_system_sleep
false
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primary_connection_host
netserv.serveftp.com
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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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Executes dropped EXE 1 IoCs
Processes:
sql_support.exepid process 3032 sql_support.exe -
Loads dropped DLL 2 IoCs
Processes:
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exepid process 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 3 IoCs
Processes:
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exeRegAsm.exesql_support.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Net Display = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bit57\\ndmgr.exe" fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NAS Host = "C:\\Program Files (x86)\\NAS Host\\nashost.exe" RegAsm.exe Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Net Display = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bit57\\ndmgr.exe" sql_support.exe -
Processes:
RegAsm.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exedescription pid process target process PID 2212 set thread context of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe -
Drops file in Program Files directory 2 IoCs
Processes:
RegAsm.exedescription ioc process File created C:\Program Files (x86)\NAS Host\nashost.exe RegAsm.exe File opened for modification C:\Program Files (x86)\NAS Host\nashost.exe RegAsm.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exeRegAsm.exesql_support.exepid process 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2580 RegAsm.exe 2580 RegAsm.exe 2580 RegAsm.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe 3032 sql_support.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
RegAsm.exepid process 2580 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exeRegAsm.exesql_support.exedescription pid process Token: SeDebugPrivilege 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe Token: SeDebugPrivilege 2580 RegAsm.exe Token: SeDebugPrivilege 3032 sql_support.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exedescription pid process target process PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 2580 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe RegAsm.exe PID 2212 wrote to memory of 3032 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe sql_support.exe PID 2212 wrote to memory of 3032 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe sql_support.exe PID 2212 wrote to memory of 3032 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe sql_support.exe PID 2212 wrote to memory of 3032 2212 fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe sql_support.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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:2580 -
C:\Users\Admin\AppData\Local\Temp\sql_support.exe"C:\Users\Admin\AppData\Local\Temp\sql_support.exe" -woohoo 2580 C:\Users\Admin\AppData\Local\Temp\ndmgr.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3032
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5475f0cc45e2c54ac6583403530c06810
SHA18f1167fd739015fa9e40a2bdb3db9e18ebedf7b3
SHA25619daf5bd0627a03a17f45ca7dbe0cf0d8e3ccbc33f58eaf1fff3b2a554f39772
SHA512f190e23c72688e8d31ffff5a1c482e47cfa7fe78fb9815dd37bb23e29faa197427e3b22be76597637cf296ded35e498ed7adc1d902cd9245c3e3065a69325932
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
291KB
MD5fee9cf8ec3de16009f0ffecdb2a8a831
SHA193af1af6f4d7ba623f03892032a805a099e2ab3c
SHA256155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48
SHA51270e7e5b0810df304774d547d14546b13dfea0e4a69775589ec1d9727868e0dba9db76948749274ebfd11551465ec6a432edc77ead4111f713abc10fb713f6e66