General
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Target
test.exe
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Size
3.1MB
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MD5
a8566f6e469ab7cb72542f6c37c01b5f
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SHA1
ab5f417facc2367ed37ac6d95ba69b45f27d5603
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SHA256
2b63c07a210ecf1bb2dde71ae9cc9e7f172f49d70d22add649c287f63f4d9d3e
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SHA512
39ff44b9d8ba62f2cd19a1f510ba641b61cb01e7b866fb5b08cb31c6d8faa5df2b984b2ad05731d084ef8773f25cf7108d6f783858aefc32042fd14f54fc0a1b
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SSDEEP
49152:KvbI22SsaNYfdPBldt698dBcjHrCN1JULoGduq5bTHHB72eh2NT:Kvk22SsaNYfdPBldt6+dBcjHrCAZ
Malware Config
Extracted
quasar
1.4.1
Office04
181.47.208.50:7771
dcc402d9-5194-46ec-9807-16efa288ad31
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encryption_key
A5152C76A0A41EC0E2F377162894926FF97AACE3
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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 test.exe
Files
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test.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