General
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Target
ysetup2.exe
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Size
2.3MB
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Sample
240522-lh7fjaaf86
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MD5
86aaea5576e97121dc4c45f2c6ccaa2b
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SHA1
bc7b3c16b32ff92caae2a43b362a32cde8d9f9b9
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SHA256
aea0a61644dba55ed505373afebb4e2e5c077c66ec744e7827b4887babcbfc6d
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SHA512
7d00e93e5df0ac06718567dcd7e39bf59ae3937f828a0348eb24626b14e66f11b26a6da5ea8afbb644d2b1585076a0608295c9995f22107fc622f7519a26eb5c
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SSDEEP
24576:2qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJherLg31+mYGnKBF6JETXHOaDU:2P6hSrcCPT0JrLg31+mYGnKDVTXG
Static task
static1
Behavioral task
behavioral1
Sample
ysetup2.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ysetup2.exe
Resource
win10v2004-20240508-en
Malware Config
Targets
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Target
ysetup2.exe
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Size
2.3MB
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MD5
86aaea5576e97121dc4c45f2c6ccaa2b
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SHA1
bc7b3c16b32ff92caae2a43b362a32cde8d9f9b9
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SHA256
aea0a61644dba55ed505373afebb4e2e5c077c66ec744e7827b4887babcbfc6d
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SHA512
7d00e93e5df0ac06718567dcd7e39bf59ae3937f828a0348eb24626b14e66f11b26a6da5ea8afbb644d2b1585076a0608295c9995f22107fc622f7519a26eb5c
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SSDEEP
24576:2qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJherLg31+mYGnKBF6JETXHOaDU:2P6hSrcCPT0JrLg31+mYGnKDVTXG
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Modifies boot configuration data using bcdedit
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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Adds Run key to start application
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Checks for any installed AV software in registry
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Browser Extensions
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Event Triggered Execution
1Change Default File Association
1Defense Evasion
Modify Registry
6Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1