General
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Target
Uni.bat
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Size
12.6MB
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Sample
240525-ttpzmaac9v
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MD5
898f49c739026123b6a3811fa31abe70
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SHA1
31ff6036b40d70d21cb1c4c0163cba0d4c720551
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SHA256
78b0a14a882dec287c0dc5a294ad02a4a5aaa0d130839d49f282c7d61069471f
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SHA512
a9aa2bf15db84361f315156ee6386cac49c14c2449a72e2f50b2e0b8d100781019c246c03a38a37d5dfc71a7c1c5451457faba074d1a875cab615ecb8d3e453d
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SSDEEP
49152:sW7ldCjqzV0qZpSjVbHDGYxqXTQPJee/X5nerh1gnfFijx6ygGSPlPNEIKlfuK1u:i
Static task
static1
Behavioral task
behavioral1
Sample
Uni.bat
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Uni.bat
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
Uni.bat
Resource
win11-20240508-en
Malware Config
Extracted
quasar
1.0.0.0
v2.2.5 | SeroXen
kimsoylak.ddns.net:4782
2cc9d61f-950d-4f23-b7d5-45d9dda2f256
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encryption_key
F467D794B2E1081B6AD1EAD5813AFA74F053248D
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install_name
.exe
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log_directory
$sxr-Logs
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reconnect_delay
1
Targets
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Target
Uni.bat
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Size
12.6MB
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MD5
898f49c739026123b6a3811fa31abe70
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SHA1
31ff6036b40d70d21cb1c4c0163cba0d4c720551
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SHA256
78b0a14a882dec287c0dc5a294ad02a4a5aaa0d130839d49f282c7d61069471f
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SHA512
a9aa2bf15db84361f315156ee6386cac49c14c2449a72e2f50b2e0b8d100781019c246c03a38a37d5dfc71a7c1c5451457faba074d1a875cab615ecb8d3e453d
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SSDEEP
49152:sW7ldCjqzV0qZpSjVbHDGYxqXTQPJee/X5nerh1gnfFijx6ygGSPlPNEIKlfuK1u:i
Score10/10-
Quasar payload
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Suspicious use of NtCreateProcessExOtherParentProcess
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Suspicious use of NtCreateUserProcessOtherParentProcess
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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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Deletes itself
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Executes dropped EXE
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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