Behavioral task
behavioral1
Sample
4hrtrial.exe
Resource
win11-20240412-en
General
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Target
4hrtrial.exe
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Size
3.1MB
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MD5
6381b4536983c81ec6a1c3486aed6451
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SHA1
ebf94ca8d7502ee5a16ce9924a1ce84ded7999d2
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SHA256
ecb8f6aa09ad413541fa0ab18b86012cc289472956579d7034b07ee760c414b2
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SHA512
9f18835c109b72ff62e1085ec96543188be1c86fec2e8e92b637cdda57cf735976c80eff8e68bbc15b80be7f4848a8effd8eb5c41874041cac676a4dca88beac
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SSDEEP
49152:qvkt62XlaSFNWPjljiFa2RoUYIWtiSXeoGd9TTTHHB72eh2NT:qv462XlaSFNWPjljiFXRoUYIWtiSux
Malware Config
Extracted
quasar
1.4.1
randomexec
192.168.1.210:4782
cc040a17-651a-4e8d-89e0-1e1ee4ecd311
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encryption_key
F1228A931AFA9A7BB15908784C583B04E24F1AE2
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install_name
Client.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
..
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4hrtrial.exe
Files
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4hrtrial.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ