Behavioral task
behavioral1
Sample
62NOU_Client-built.exe
Resource
win7-20240708-en
General
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Target
62NOU_Client-built.exe
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Size
3.1MB
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MD5
6c0a0f358f0a60055f0426822240fdc6
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SHA1
8e9bf932812121416df746c4290e6eaf52a6ba83
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SHA256
1db4785c2e4ffdbc8a18149d6da1ae157cb234e1837e5aae5de5db799825b0fe
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SHA512
c81992d751e8122e0fe34b5f9dd79220091bcfc2c777421693edf344bfc427f07239e39bf266ab8974f2c2b28463a5e830e42b4401615615202e551903a6dbab
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SSDEEP
49152:avbI22SsaNYfdPBldt698dBcjHhXYRxkDvJcQoGdPTHHB72eh2NT:avk22SsaNYfdPBldt6+dBcjHEk7
Malware Config
Extracted
quasar
1.4.1
Office04
127.0.0.1:4782
127.0.0.1:80
41dbc4e3-4c49-4e37-971d-bce5c6356d47
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encryption_key
5446A6EE72AE0400FB80FEE45AC7AEB6FA7DD14B
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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
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource 62NOU_Client-built.exe
Files
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62NOU_Client-built.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