General
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Target
b09a68a8eaba5733bc3360d2af861b11_JaffaCakes118
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Size
410KB
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Sample
241129-mdwnxavnfk
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MD5
b09a68a8eaba5733bc3360d2af861b11
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SHA1
e0798d19c3def61bffb06825386bdfe4843f0eb5
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SHA256
723a593dc06b41d05ff387de35103e61c0a7d3c08cb935b8698a4f926e17b435
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SHA512
c24d1edeb4e8e0ff89cab31c4f014688682afc3e858d5a59f8bb3e642270160a78816283c5d5fd2aa885c158b4efb3a0d3d6c01e5ff450085238522baa81d1cc
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SSDEEP
6144:Bhnz0kWRGSiPJJXzQ8+9uzvVBiZglHS7peiE+RN3XIZPHlANZ4Go8NVZW5nrdZf2:IkWRL9sRlHqp9SlpGtZW5rdtQk8
Static task
static1
Behavioral task
behavioral1
Sample
b09a68a8eaba5733bc3360d2af861b11_JaffaCakes118.exe
Resource
win7-20240903-en
Malware Config
Extracted
quasar
1.3.0.0
Net
185.140.53.12:5050
QSR_MUTEX_qThpUDzbQTJQxc6rvb
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encryption_key
Wbh6fP8OjxeH40BtVug7
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Quasar Client Startup
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subdirectory
SubDir
Targets
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Target
b09a68a8eaba5733bc3360d2af861b11_JaffaCakes118
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Size
410KB
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MD5
b09a68a8eaba5733bc3360d2af861b11
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SHA1
e0798d19c3def61bffb06825386bdfe4843f0eb5
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SHA256
723a593dc06b41d05ff387de35103e61c0a7d3c08cb935b8698a4f926e17b435
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SHA512
c24d1edeb4e8e0ff89cab31c4f014688682afc3e858d5a59f8bb3e642270160a78816283c5d5fd2aa885c158b4efb3a0d3d6c01e5ff450085238522baa81d1cc
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SSDEEP
6144:Bhnz0kWRGSiPJJXzQ8+9uzvVBiZglHS7peiE+RN3XIZPHlANZ4Go8NVZW5nrdZf2:IkWRL9sRlHqp9SlpGtZW5rdtQk8
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Quasar family
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Quasar payload
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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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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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