Behavioral task
behavioral1
Sample
57caa771cdc49a089b783f3df4e72f99.exe
Resource
win7-20240903-en
General
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Target
57caa771cdc49a089b783f3df4e72f99.exe
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Size
3.1MB
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MD5
57caa771cdc49a089b783f3df4e72f99
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SHA1
94609144f4752e594e6f569f05cea5c2f80473e0
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SHA256
23d78defb24bc7e2496d016a368054df8f7f9b64988ffcba00dab9311b7329d4
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SHA512
f145321b4bf217ae71855a86619faf8f17ae8f3f1f13f4611f5e7809cba5c1fe71185d8227897fb7f83741b2cc348792ae918e45d98e9c0d647dcc0f7e3ea2f0
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SSDEEP
49152:CvWI22SsaNYfdPBldt698dBcjHM9RJ6DbR3LoGdRVTHHB72eh2NT:Cv722SsaNYfdPBldt6+dBcjHM9RJ61B
Malware Config
Extracted
quasar
1.4.1
7332
149.50.108.116:7332
41fce632-c870-4911-98d8-32bfb4cb74f3
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encryption_key
5F29C07D7CDED6776D9E269C35195B7318EC31BE
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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 57caa771cdc49a089b783f3df4e72f99.exe
Files
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57caa771cdc49a089b783f3df4e72f99.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