General
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Target
a71f91351dc1bb57f0426080f2c03854.exe
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Size
8.4MB
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Sample
210717-98tnta93m2
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MD5
a71f91351dc1bb57f0426080f2c03854
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SHA1
a336bd9298b0772f4d5764f695335fc7ef99755b
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SHA256
f95e19a66cb1e3a612f2c07380376196e856dfefbe1038c4e6fd7d6a03388b5d
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SHA512
dff5db2f6b3af11d10cb25c6e9df6df5bd4668ff54ba4ff1b6456ee7ab338e59297bad4d8722e7da15d175eabcd5833a632e5d62970d04993c733c379b7f4d19
Static task
static1
Behavioral task
behavioral1
Sample
a71f91351dc1bb57f0426080f2c03854.exe
Resource
win7v20210410
Malware Config
Extracted
orcus
NewVPREFinal
67.242.2.35:10134
8185e643b7514e15b8dcfc7df7a8733b
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autostart_method
TaskScheduler
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enable_keylogger
true
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install_path
%systemroot%\lsddsds\lsdds.exe
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reconnect_delay
10000
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registry_keyname
lsd
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taskscheduler_taskname
lsdds
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watchdog_path
Temp\olsdd.exe
Targets
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Target
a71f91351dc1bb57f0426080f2c03854.exe
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Size
8.4MB
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MD5
a71f91351dc1bb57f0426080f2c03854
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SHA1
a336bd9298b0772f4d5764f695335fc7ef99755b
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SHA256
f95e19a66cb1e3a612f2c07380376196e856dfefbe1038c4e6fd7d6a03388b5d
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SHA512
dff5db2f6b3af11d10cb25c6e9df6df5bd4668ff54ba4ff1b6456ee7ab338e59297bad4d8722e7da15d175eabcd5833a632e5d62970d04993c733c379b7f4d19
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Orcus Main Payload
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Looks for VirtualBox Guest Additions in registry
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Orcurs Rat Executable
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XMRig Miner Payload
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Executes dropped EXE
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Loads dropped DLL
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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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Drops desktop.ini file(s)
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory
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Suspicious use of SetThreadContext
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