Behavioral task
behavioral1
Sample
b5b30a9ae5bf0868fb84ed0ccd37e6c07e0f94dd8fd5f5c543fe7ae5c70559edN.exe
Resource
win7-20240903-en
General
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Target
b5b30a9ae5bf0868fb84ed0ccd37e6c07e0f94dd8fd5f5c543fe7ae5c70559edN
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Size
3.3MB
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MD5
28dba60e8c0980ae5c2dc3bcb70dee20
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SHA1
fdb998c7bd73340b0f9ff195ea3f54348a420b31
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SHA256
b5b30a9ae5bf0868fb84ed0ccd37e6c07e0f94dd8fd5f5c543fe7ae5c70559ed
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SHA512
87f39deba5978ce8d8a1a97b800e292cdb3ae72556d7206873018ac1c9deeecf5bba6c0f6d7dc2886b34f044e482e9717897ba8f4cc4863058eba31318765f00
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SSDEEP
49152:/vht62XlaSFNWPjljiFa2RoUYIAkRJ6jbR3LoGdfGTHHB72eh2NTdSx:/vL62XlaSFNWPjljiFXRoUYIAkRJ6Vk
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.1:4782
c3f19fd3-01fb-4e90-9b2d-08e0197b64db
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encryption_key
B5BEE5531A270285B1CB882B8DC114D4E92DF66D
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install_name
ppcampus.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
ppcampuss
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subdirectory
campus
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 b5b30a9ae5bf0868fb84ed0ccd37e6c07e0f94dd8fd5f5c543fe7ae5c70559edN
Files
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b5b30a9ae5bf0868fb84ed0ccd37e6c07e0f94dd8fd5f5c543fe7ae5c70559edN.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: 148KB - Virtual size: 148KB
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