Behavioral task
behavioral1
Sample
BRAVE0DELAYTWEAK.exe
Resource
win7-20241023-en
General
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Target
BRAVE0DELAYTWEAK.exe
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Size
3.1MB
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MD5
55e769e400d3e75b8fe9dffb125227ef
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SHA1
f838b94d46a3508733647d77799c85c4e4105570
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SHA256
c5f16f0da5feac491f0cd84eb08fa2f994f850e64f0e1fe24018b193b06294fb
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SHA512
456a5d0380bb48c9e8e54b1c6838e104526dfd03842c8604c1174dc4c97e8ee092b0272c65013b855b8b4d97c7bfdc70fc751a923940cb9e9899dfddb911e130
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SSDEEP
49152:HvjI22SsaNYfdPBldt698dBcjHr+WrqMfnLoGdKTHHB72eh2NT:Hvc22SsaNYfdPBldt6+dBcjHr+WrB
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.167:4782
3917b32f-8662-48d7-b61d-8cea2441c8ec
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encryption_key
72E193AB5763F565E9AFABEC0486B91F3F3A0AE2
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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 BRAVE0DELAYTWEAK.exe
Files
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BRAVE0DELAYTWEAK.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