General
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Target
87756bf702699c3df85d5e2f773308ea_JaffaCakes118
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Size
1.4MB
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Sample
240531-sqjsrscd5w
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MD5
87756bf702699c3df85d5e2f773308ea
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SHA1
b8797a64796649605e138b45bc5112a07329f1df
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SHA256
beb2a7c0eaa4c35c9f9a699417c395d78e9e76ffc790c40e7a0987b8044577e0
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SHA512
f16c78308f8686e2cc28408b5265e710ffbe389161ef5c9df9f454c62f5a88c8ae207e859bd6ffa6b990944911b534c7085f70e9bd30e89ad407262d8a91c293
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SSDEEP
24576:JAHnh+eWsN3skA4RV1Hom2KXMmHawWv769AZEeFxD3140je8211Wxv14Rf995:Qh+ZkldoPK8Yaw4D1FxRZJgp
Static task
static1
Behavioral task
behavioral1
Sample
87756bf702699c3df85d5e2f773308ea_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
87756bf702699c3df85d5e2f773308ea_JaffaCakes118.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
quasar
1.4.0.0
Office04
brave.webredirect.org:5467
Xa8hxCQyVS1H1Wdqe8
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encryption_key
BLgRDyrND0s3i7A4nwYc
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install_name
Micsoft.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Micsoft
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subdirectory
Micsoft Updata
Extracted
revengerat
Targets
-
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Target
87756bf702699c3df85d5e2f773308ea_JaffaCakes118
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Size
1.4MB
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MD5
87756bf702699c3df85d5e2f773308ea
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SHA1
b8797a64796649605e138b45bc5112a07329f1df
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SHA256
beb2a7c0eaa4c35c9f9a699417c395d78e9e76ffc790c40e7a0987b8044577e0
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SHA512
f16c78308f8686e2cc28408b5265e710ffbe389161ef5c9df9f454c62f5a88c8ae207e859bd6ffa6b990944911b534c7085f70e9bd30e89ad407262d8a91c293
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SSDEEP
24576:JAHnh+eWsN3skA4RV1Hom2KXMmHawWv769AZEeFxD3140je8211Wxv14Rf995:Qh+ZkldoPK8Yaw4D1FxRZJgp
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Quasar payload
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RevengeRat Executable
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2JavaScript
1PowerShell
1Scheduled Task/Job
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1