General
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Target
AIRVPNNNNNNNNNNNNNNNNNOSIRVEEEEEE.exe
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Size
3.1MB
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MD5
434bebcd54481549163ce6c29eefb0ed
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SHA1
f0a643b353cd1d5c16ededbec902ab4e8462a5cc
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SHA256
9f3064a561f1c6554ca816569553ccf751a9a22360184a53c9b32db66017dbca
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SHA512
3dcc0ae35b3d210e04042a70b933c00ad9fcf41eee9938e1239fc93a12f16cb1641ce2ac454e9893239d1f45c6065c21e3400a544db6c4e873a9cde5e3cde403
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SSDEEP
49152:bvyI22SsaNYfdPBldt698dBcjHt5vE1JV/oGdcTHHB72eh2NT:bvf22SsaNYfdPBldt6+dBcjHt5vS
Malware Config
Extracted
quasar
1.4.1
Office04
204.8.98.75:4782
e51e2b65-e963-4051-9736-67d57ed46798
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encryption_key
AEA258EF65BF1786F0F767C0BE2497ECC304C46F
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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
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource AIRVPNNNNNNNNNNNNNNNNNOSIRVEEEEEE.exe
Files
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AIRVPNNNNNNNNNNNNNNNNNOSIRVEEEEEE.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