Behavioral task
behavioral1
Sample
2148-11-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2148-11-0x0000000000400000-0x0000000000724000-memory.exe
Resource
win10v2004-20231215-en
General
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Target
2148-11-0x0000000000400000-0x0000000000724000-memory.dmp
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Size
3.1MB
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MD5
d88f88e3a0a447801673ac8c9c24637c
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SHA1
ed4b7c72ea64fb4d780be0f218be2b6c206f27a8
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SHA256
fc0157002df8601352c8f805bcee6b2db4d43937334ce95565bba2d8fa6f6b00
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SHA512
8098326ec718fa77ace190a705222db921b06b04e81b1cd557eb3013cb81b0a72fb3834e95375a9806854ee33fe55c74c02fc235a98ff685c62d80f5be22a37d
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SSDEEP
49152:uvKY52fyaSZOrPWluWBuGG5g5h/0Ha95bQDk/mLoGdzSTHHB72eh2NT:uv/52fyaSZOrPWluWBDG5g5hEaM
Malware Config
Extracted
quasar
1.4.1
update
127.0.0.1:4782
ddb0d81d-667e-44c3-a1b7-00fcb82dd1ef
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encryption_key
00DF680B0E09235E9256570DFF972BC701444E37
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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
putty
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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 2148-11-0x0000000000400000-0x0000000000724000-memory.dmp
Files
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2148-11-0x0000000000400000-0x0000000000724000-memory.dmp.exe windows:4 windows x86 arch:x86
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
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