Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241010-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
f367a45a5d494d19bcc5f62be92573a9
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SHA1
869de872df89891e73fc3e7cb697631cc08c11a8
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SHA256
c64e3396f244d5442a404688df8482d7193dc8fdaec53c55985eedd75b8c38c1
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SHA512
568fda33b842750113f5d8f027adb6f8111a48a6378cd881c09ddcd643061444f811f2724c34f61a98c8d77c71f75c41be06b6b1e223cabc6a52895fe039fd74
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SSDEEP
49152:7vUuf2NUaNmwzPWlvdaKM7ZxTw+DtmamzLpoGdIcsTHHB72eh2NT:7vDf2NUaNmwzPWlvdaB7ZxTw+Dtmd
Malware Config
Extracted
quasar
1.4.1
TestVPS
57.129.67.71:4782
ByKami-35613.portmap.host:35613
d81e25ce-e597-4c30-883b-6512e05b4d3f
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encryption_key
5F806F6FD612F4EFC8A3C6F274ACEA836FE88EB8
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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
HeheThatsQuasar
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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 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