General
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Target
febb47ebfc843b8152c26ab3382ea059_JaffaCakes118
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Size
1.1MB
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Sample
241219-gr6s5ssmgn
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MD5
febb47ebfc843b8152c26ab3382ea059
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SHA1
ae01779d928f053c997e536b073f2ee4ec034b0d
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SHA256
d7511047d6d0127108e1cf026c3a8c7d5dbb860d62722371d4c3f65c3c1dc920
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SHA512
011d8a03b98a329f856c5b759eaa8e91cbfc930b25ba66439e2444852912e9c445d9dc4d5487965cf96a3e27fac4054bd766d197400dc82fec3e0ed1d451e5db
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SSDEEP
24576:dKpPp9AR95ykxiTXesSdJwjG1XaD1dv2delN/KHoaHEnj/a0hR9:6PpKRykw8dCjEAdv2Y+e/tH
Behavioral task
behavioral1
Sample
febb47ebfc843b8152c26ab3382ea059_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
febb47ebfc843b8152c26ab3382ea059_JaffaCakes118.exe
Resource
win10v2004-20241007-en
Malware Config
Extracted
remcos
3.2.0 Pro
RemoteHost
45.137.22.101:5888
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audio_folder
MicRecords
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audio_path
%AppData%
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audio_record_time
5
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connect_delay
0
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connect_interval
1
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copy_file
remcos.exe
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copy_folder
Remcos
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delete_file
false
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hide_file
false
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hide_keylog_file
false
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install_flag
false
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install_path
%AppData%
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keylog_crypt
false
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keylog_file
logs.dat
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keylog_flag
false
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keylog_folder
remcos
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keylog_path
%AppData%
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mouse_option
false
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mutex
Remcos-3RVIAE
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screenshot_crypt
false
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screenshot_flag
false
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screenshot_folder
Screenshots
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screenshot_path
%AppData%
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screenshot_time
10
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startup_value
Remcos
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take_screenshot_option
false
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take_screenshot_time
5
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take_screenshot_title
notepad;solitaire;
Targets
-
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Target
febb47ebfc843b8152c26ab3382ea059_JaffaCakes118
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Size
1.1MB
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MD5
febb47ebfc843b8152c26ab3382ea059
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SHA1
ae01779d928f053c997e536b073f2ee4ec034b0d
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SHA256
d7511047d6d0127108e1cf026c3a8c7d5dbb860d62722371d4c3f65c3c1dc920
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SHA512
011d8a03b98a329f856c5b759eaa8e91cbfc930b25ba66439e2444852912e9c445d9dc4d5487965cf96a3e27fac4054bd766d197400dc82fec3e0ed1d451e5db
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SSDEEP
24576:dKpPp9AR95ykxiTXesSdJwjG1XaD1dv2delN/KHoaHEnj/a0hR9:6PpKRykw8dCjEAdv2Y+e/tH
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Detect Neshta payload
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Neshta family
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Remcos family
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Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Uses the VBS compiler for execution
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1Scheduled Task/Job
1Scheduled Task
1Persistence
Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1