General
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Target
Uni.bat
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Size
10.4MB
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Sample
241128-vy695szmal
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MD5
2cc589a27044382be0ec55f23f36fa41
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SHA1
4edc18c1b0e3558086e86d4e5c344fc9bed8d97c
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SHA256
d05dd87b7ce909f8f3f85607f9546bcbe1168a507955c4d504d8c83f02d9a909
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SHA512
baf948e4257cda2a0c30e9663448e884d40d844cc0f15cb64a9a2ccc40c12d1bdf1b5808d80b19c0f401478504468669d44edcdf0153f88d1b3ceb3303656045
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SSDEEP
49152:C/JouIj6nHI8l5lK7g/JLyDX7YVDazqMdubv+JrncVzgH+60gF4SLF+pHGwhESAG:K
Static task
static1
Behavioral task
behavioral1
Sample
Uni.bat
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Uni.bat
Resource
win10v2004-20241007-en
Malware Config
Extracted
quasar
1.4.0
v15.4.5 | SeroXen
map-casio.gl.at.ply.gg:57345
93520150-37f5-4b86-9682-b07d73e61808
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encryption_key
E9B24DC5A9D33874B0626389429DD789286126DC
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install_name
.exe
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log_directory
$sxr-Logs
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reconnect_delay
230
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startup_key
$sxr-seroxen
Targets
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Target
Uni.bat
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Size
10.4MB
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MD5
2cc589a27044382be0ec55f23f36fa41
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SHA1
4edc18c1b0e3558086e86d4e5c344fc9bed8d97c
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SHA256
d05dd87b7ce909f8f3f85607f9546bcbe1168a507955c4d504d8c83f02d9a909
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SHA512
baf948e4257cda2a0c30e9663448e884d40d844cc0f15cb64a9a2ccc40c12d1bdf1b5808d80b19c0f401478504468669d44edcdf0153f88d1b3ceb3303656045
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SSDEEP
49152:C/JouIj6nHI8l5lK7g/JLyDX7YVDazqMdubv+JrncVzgH+60gF4SLF+pHGwhESAG:K
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Quasar family
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Quasar payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Sets service image path in registry
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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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Loads dropped DLL
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Hide Artifacts: Hidden Window
Windows that would typically be displayed when an application carries out an operation can be hidden.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
1Hidden Window
1Modify Registry
1