Behavioral task
behavioral1
Sample
app.exe
Resource
win7-20240903-en
General
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Target
app.exe
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Size
3.1MB
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MD5
a2019f0a72aa3207bbc5dcc49626d057
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SHA1
0a6a3183c5fd89143017bc62ed38fea832661fc7
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SHA256
4bbcd5f19331b84d284dd96729b893bb69ef30fa2d3097fd4ee8dda6953b60c6
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SHA512
4f826f86a9a958db71f4b5776a108aa4feb5d6afa17f6e51db93e67ce1851094591d49acf9d65f86f49986b265d8e5e266584893cdc009d8e1d3bdcb050b600b
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SSDEEP
49152:rvilL26AaNeWgPhlmVqvMQ7XSKGNRJ6EbR3LoGdaWTHHB72eh2NT:rvaL26AaNeWgPhlmVqkQ7XSKGNRJ6O
Malware Config
Extracted
quasar
1.4.1
KDOTCrypt
us-east-65319.packetriot.net:22653
1b077ba0-1574-4be1-aa2d-d6dbc0ef540a
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encryption_key
92470F4731518ABFA77DC89068544FB7E7B7C459
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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 app.exe
Files
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app.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