Behavioral task
behavioral1
Sample
1250343116e00d7d7125b738253aeba67e40f0f9ab649bc6a4161580f824819b.exe
Resource
win7-20240903-en
General
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Target
1250343116e00d7d7125b738253aeba67e40f0f9ab649bc6a4161580f824819b
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Size
3.1MB
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MD5
3c7bf1e80abf4d7d6dc60e207425f519
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SHA1
9c65bc3a1688b64032ba3ef8cb5676cacfa34759
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SHA256
1250343116e00d7d7125b738253aeba67e40f0f9ab649bc6a4161580f824819b
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SHA512
a6d7e20fa6340e18470442a10a84e79442185c2e26939e6742cb7bc5f08acec27a50172a47b4cf2f8cce816cade61a60f127430cd8f25174bb98885b67f30663
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SSDEEP
49152:CvDI22SsaNYfdPBldt698dBcjHZu/kBxnLoGdhTHHB72eh2NT:Cv822SsaNYfdPBldt6+dBcjHk/g
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.176:4782
8ac8cfe4-abbd-4c20-8ef9-30391cf64a5b
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encryption_key
B236022E1D7BEC08D8EF90B6C25D471BFC7F95CB
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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 1250343116e00d7d7125b738253aeba67e40f0f9ab649bc6a4161580f824819b
Files
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1250343116e00d7d7125b738253aeba67e40f0f9ab649bc6a4161580f824819b.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