Behavioral task
behavioral1
Sample
NotAVirus.exe
Resource
win7-20240221-en
General
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Target
NotAVirus.exe
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Size
3.1MB
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MD5
5127953ae3af92a351f3fc30decc92e6
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SHA1
e861f5886497ccf8733f64856279de649915f0f1
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SHA256
5c9129d7a98f279e91f4756b30889d8ff15147643894db16ffdc5ebe6a11f74b
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SHA512
1284e9de356260e1c84c29ea04a300b05c013fd3ecf441b5a65142d5d91b6b2430d133c0f281548c3c68fcd9a35054b5e8a6d45e037bd4644092f6ef4abb2778
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SSDEEP
49152:qvbI22SsaNYfdPBldt698dBcjHFAF/tBx6foGdomTHHB72eh2NT:qvk22SsaNYfdPBldt6+dBcjH0/c
Malware Config
Extracted
quasar
1.4.1
Office04
169.254.194.76:4782
36560882-e172-4a4f-bde8-cc50fe7972ae
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encryption_key
FEE8B5C7D614877C6B2FAB4F236B536B0911C242
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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 NotAVirus.exe
Files
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NotAVirus.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