Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20231215-en
General
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Target
Client.exe
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Size
3.1MB
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MD5
2128fc64b73a6a323524393d4005824f
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SHA1
2d4fd80631ac2b66054039099833de9462b2a54e
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SHA256
7b0a1abdcc998b9e63f098f23310b903eb96fd6b52d41737e454c785592d3ad2
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SHA512
8b0647fc3fcff49229ea3ca0ef112e8f88a34036221a33380683cf562b0fb2601d2fb0764cbba0560c43263de9b15b4d6cd9081569665e6f4309d6270fbf21c4
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SSDEEP
49152:6vTY52fyaSZOrPWluWBuGG5g5h7bRJ6VbR3LoGd3THHB72eh2NT:6v052fyaSZOrPWluWBDG5g5h7bRJ6n
Malware Config
Extracted
quasar
1.4.1
TyouDm
127.0.0.1:4782
b17e55b4-e2b9-4a6a-b67f-e4d43fc7ee2d
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encryption_key
5A106016EA79BAA5DE791929E27BF737F5BC6934
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install_name
Ocean.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Ocean
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subdirectory
Ocean
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 Client.exe
Files
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Client.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