Behavioral task
behavioral1
Sample
app.exe
Resource
win7-20240729-en
General
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Target
app.exe
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Size
3.1MB
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MD5
b8f097d5264902c9a54edf5cb26b4731
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SHA1
4c2670bc094f0ed3b44de87fca95403073ddd81d
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SHA256
93a291be0837344a2f715c9941a23b03232294865835f1dce8e81fdce5382bc9
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SHA512
983ae07639c872fbcf07aac883f76f9cc04e7ad3b743be3d500818830ff0db8a9626a32ff7c8a7c3e11ff991a94d8c942d6702f3ec9d2aba7f65a3b290e980d5
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SSDEEP
49152:OvWI22SsaNYfdPBldt698dBcjHddRJ6xbR3LoGdyVTHHB72eh2NT:Ov722SsaNYfdPBldt6+dBcjHddRJ6T
Malware Config
Extracted
quasar
1.4.1
KDOTCrypt
fedx.ddns.net:7000
70b69453-9c90-490b-81c2-83279615d904
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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