Behavioral task
behavioral1
Sample
msedge.exe
Resource
win7-20230712-en
General
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Target
msedge.exe
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Size
3.1MB
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MD5
601b5ceb9825f198f947dd3f6ff3426c
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SHA1
194d19c1cd161685cefd979234206af5e5fa619b
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SHA256
964075417678392171f77862b062dc35ebd24bdbc3826e02c5bd00e0e7cd4651
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SHA512
ed1ab84dbd876154d031d0f04e06771c9e082c5756fa796b745e488d3e48a61a569f907123dcb9dd036397f0b956a61dc87b6cb7ffeb49bdc53e9583471dfff2
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SSDEEP
49152:nvUt62XlaSFNWPjljiFa2RoUYIaIRJ6FbR3LoGdUrTHHB72eh2NT:nvI62XlaSFNWPjljiFXRoUYIaIRJ6XE
Malware Config
Extracted
quasar
1.4.1
system
185.183.35.122:4782
033db415-964b-488b-a1d8-81ebb438757c
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encryption_key
CEAEA9FD2F3E18352164BB4D9A6F56EFF5E2D896
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install_name
conhost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Defender
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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 msedge.exe
Files
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msedge.exe.exe windows 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