Behavioral task
behavioral1
Sample
test-cleaned.exe
Resource
win7-20231215-en
General
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Target
test-cleaned.exe
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Size
3.1MB
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MD5
44b2a324097509eaaa56236e1f4976e6
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SHA1
9d575d4e98fd7948f50829b8b67684e852e0a017
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SHA256
f9fae3a055b38dac39083d95305b384c2b15516f303394f825f740d58d81517e
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SHA512
85da73bdc108a677d0546f8125e6e761458c5ef9da37f275cb1c23f97106579c4a475784cd852fec5997288c412134aba8deff4964afd6eb63d82ef7f563f4dc
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SSDEEP
49152:mgykoBp6ZMi3+/5cJ7+ZzAKithQRQfKKDaKaWH2Lk2Nu:mgykY0J3+KDh3
Malware Config
Extracted
quasar
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encryption_key
111EDBD4A34792D1967E3CDE41576132A7DE2755
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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
Quasar Client Startup
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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 test-cleaned.exe
Files
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test-cleaned.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: 3.0MB - Virtual size: 3.0MB
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