Behavioral task
behavioral1
Sample
JY7XH_Client-built.exe
Resource
win7-20241023-en
General
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Target
JY7XH_Client-built.exe
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Size
3.1MB
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MD5
f9fd797dbef56a3900d2fe9d0a6e2e86
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SHA1
c5d002cc63bd21fa35fdad428ca4c909f34c4309
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SHA256
b2de1e13497b1864e100fea605fa1136adc6f782b1dea5f6fe5f11656b098c0e
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SHA512
c4d170855397e2e62d754883b2caab00d14f58787463924141d2077997ee03b25cd752565354c1c4cbace637cf1c053c45a162d0b61b31caa73f1ec70b998ce1
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SSDEEP
49152:ivkt62XlaSFNWPjljiFa2RoUYIobRJ6MbR3LoGdNwhTHHB72eh2NT:iv462XlaSFNWPjljiFXRoUYIobRJ6WK
Malware Config
Extracted
quasar
1.4.1
Office04
biseo-48321.portmap.host:48321
cb74f432-50f1-4947-8163-7687a0292fb0
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encryption_key
D1BBEF3C04D88FE8F97EE2745041632CE9C760EE
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install_name
Svchost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Svchost
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subdirectory
Svchost
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 JY7XH_Client-built.exe
Files
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JY7XH_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