Behavioral task
behavioral1
Sample
F486525A68BB238B6BF1CB38ABDC4B6D.exe
Resource
win7-20231215-en
General
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Target
F486525A68BB238B6BF1CB38ABDC4B6D.exe
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Size
3.1MB
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MD5
f486525a68bb238b6bf1cb38abdc4b6d
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SHA1
6d8fb002cd762815e7f2c5bd8894bb3ebaf1803a
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SHA256
3309f416d4a2e161d05575e4e37b1575d3da3a935bca942f08af5ee1a2d3ed5e
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SHA512
25cfd7b6dfa6a41d7fe0f9cc1a2884bcb20327df23ff1df2f1fec2b6493746f0e7e6db28f186d40a37a7f0dc97de507191b8b5d15cccbcc38b069b0e75613da9
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SSDEEP
49152:mvAt62XlaSFNWPjljiFa2RoUYIsJRJ60bR3LoGdI5aTHHB72eh2NT:mvs62XlaSFNWPjljiFXRoUYIsJRJ6+
Malware Config
Extracted
quasar
1.4.1
LH用户
222.211.73.134:5766
9038eedc-27cc-4d33-89ee-58d63663290c
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encryption_key
7ACC9A3244425C97D532F4AEAF9D3C292992E14D
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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
DismLHYH
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 F486525A68BB238B6BF1CB38ABDC4B6D.exe
Files
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F486525A68BB238B6BF1CB38ABDC4B6D.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