Behavioral task
behavioral1
Sample
f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149.exe
Resource
win7-20240220-en
General
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Target
f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149
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Size
3.1MB
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MD5
1815451669203a2e20a0cd31a47fa081
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SHA1
f12d68b58ee000fdc741a09e3540d99192604e02
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SHA256
f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149
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SHA512
e6ce3e017f9e2fb0cb603d66dc402bbc9d7e810756381ba1539a359410e45cb29b9971283114edbbfb0dec304856ae2e82c3df2a684cf9ca345eedd5a513e258
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SSDEEP
49152:fvyI22SsaNYfdPBldt698dBcjHAiRJ62bR3LoGdwGTHHB72eh2NT:fvf22SsaNYfdPBldt6+dBcjHAiRJ6wA
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.68.64:4782
75b36097-b407-4e88-ad84-e1aee7ab7912
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encryption_key
E66E6C0A7C3E03AB7FD6F38667C7583F9964D61D
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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
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149
Files
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f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149.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