General
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Target
Uni.exe
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Size
409KB
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Sample
240508-vz8vcshe52
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MD5
7417c8c73e614f293152575f46134216
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SHA1
cc68f7f5e7c769efb5b3e06bfb3a2f9329f37805
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SHA256
00c7cb06bebe0da961155dc00f7ea7f96a3b04c89ae82408e7ece6968c91c3c3
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SHA512
897a859e609028157f2721d76b97497d4b9f821d2b8be3359d1192ddc3a83d4b7449db25c63c3c260067b796c122194c48747dc611c98dc1e33aab82a20b98b0
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SSDEEP
6144:nMr2pJAJcC0B632U3GRbMfgvKFFhTEDPX1NbKoEn5MSU+h2f8/14m:LpyJcC+82U3GRGGp1M5Ys2f8/6m
Behavioral task
behavioral1
Sample
Uni.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Uni.exe
Resource
win7-20240508-en
Behavioral task
behavioral3
Sample
Uni.exe
Resource
win10v2004-20240508-en
Malware Config
Extracted
quasar
3.1.5
SLAVE
even-lemon.gl.at.ply.gg:33587
$Sxr-dOMA5C0pQTTpKjVsCp
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encryption_key
UBXs44u6E81wxBGZxQHk
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install_name
$sxr-powershell.exe
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log_directory
$SXR-KEYLOGS
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reconnect_delay
3000
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startup_key
$sxr-powershell
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subdirectory
$sxr-seroxen2
Targets
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Target
Uni.exe
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Size
409KB
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MD5
7417c8c73e614f293152575f46134216
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SHA1
cc68f7f5e7c769efb5b3e06bfb3a2f9329f37805
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SHA256
00c7cb06bebe0da961155dc00f7ea7f96a3b04c89ae82408e7ece6968c91c3c3
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SHA512
897a859e609028157f2721d76b97497d4b9f821d2b8be3359d1192ddc3a83d4b7449db25c63c3c260067b796c122194c48747dc611c98dc1e33aab82a20b98b0
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SSDEEP
6144:nMr2pJAJcC0B632U3GRbMfgvKFFhTEDPX1NbKoEn5MSU+h2f8/14m:LpyJcC+82U3GRGGp1M5Ys2f8/6m
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Loads dropped DLL
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Legitimate hosting services abused for malware hosting/C2
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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