Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Client-built.exe
Resource
win11-20241007-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
00c08053c9ec8b1575cc1dc37454ef36
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SHA1
a41c5e4a0a07eaf751068543c0892451b06a17a1
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SHA256
b1949d403caba3fc8addc1779b003b18fd9744f075dc9002213aa4104cdbbac1
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SHA512
eaeefc1bdf1c4a1c98e0befced54a6dc83a1598f9d409bae6c0876447c832171e418a16b0be210d7223ee256a4f85946fdf4c4ddc7b3d6981c5ea23ef9d8998b
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SSDEEP
98304:Pvm42pda6D+/PjlLOlZyQipVJ9RJ6I5a:nyOpTV5a
Malware Config
Extracted
quasar
1.4.1
thecoolfile
dfsgmnhsrf23456623423456-51636.portmap.host:51636
ba019940-beb5-4159-a5b2-ce0bc35ac066
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encryption_key
B42CE86AEBA4D8818352F4D811EA7BBB472E229A
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install_name
windows defender.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
discord
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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 Client-built.exe
Files
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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