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Behavioral task
behavioral1
Sample
df1efbc7ad460171eccb432f6a1bea7fdfe239c0625a2a1fc2ba4e46121fd453.exe
Resource
win7-20240903-en
General
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Target
df1efbc7ad460171eccb432f6a1bea7fdfe239c0625a2a1fc2ba4e46121fd453
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Size
3.1MB
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MD5
5069fe748eedf0e4041c185146320f3a
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SHA1
2f99d5e6279049e4fea6df914c017843abf920cd
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SHA256
df1efbc7ad460171eccb432f6a1bea7fdfe239c0625a2a1fc2ba4e46121fd453
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SHA512
25b57d73ecccd7980ab75bbe740ea73238b268c9149692a2a57ceb64fba47999334bd6863fd272c11665f103aa3f5db6db79fbabb184ff6e17cadf2318b6775b
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SSDEEP
49152:CvyI22SsaNYfdPBldt698dBcjHYxOZESD9k/rGoGdxTHHB72eh2NT:Cvf22SsaNYfdPBldt6+dBcjHYxOp
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.0.101:8080
02b9d5d5-a658-4c3f-beb3-e1e9cbb4ed8e
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encryption_key
188193B0C2081128F4D28BCFDBDC78F4E505ED6B
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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
PC
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 df1efbc7ad460171eccb432f6a1bea7fdfe239c0625a2a1fc2ba4e46121fd453
Files
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df1efbc7ad460171eccb432f6a1bea7fdfe239c0625a2a1fc2ba4e46121fd453.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