Behavioral task
behavioral1
Sample
874dc85b74f8ee6a116d38453078905ee487949425e97a42de9b258dd6b8bbf5.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
874dc85b74f8ee6a116d38453078905ee487949425e97a42de9b258dd6b8bbf5.exe
Resource
win10v2004-20241007-en
General
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Target
874dc85b74f8ee6a116d38453078905ee487949425e97a42de9b258dd6b8bbf5.exe
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Size
3.1MB
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MD5
c965446805dc5c40e1bffe859716bea7
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SHA1
7d6b257f8f830f512552bd11b36bb1fc88a1e966
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SHA256
874dc85b74f8ee6a116d38453078905ee487949425e97a42de9b258dd6b8bbf5
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SHA512
157b7d59cb94d83dceba138207f1d335df6f9da90c510cbad8e0b252173be05679352de83d2aef2e3ae3d7de58f7253f93422b44680d2cb63e6c3640fd68233b
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SSDEEP
49152:bv1I22SsaNYfdPBldt698dBcjHQFwGSBe1LoLdfTHHB72eh2NT:bve22SsaNYfdPBldt6+dBcjH5GD
Malware Config
Extracted
quasar
1.4.1
PrudaBackend
45.131.108.110:4782
8f8e6059-ac4f-4e47-8d62-3ce070083ecf
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encryption_key
D82EC4913FC5B28DDFF5AC48635D190A9342C6BD
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install_name
update.exe
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log_directory
Logs
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reconnect_delay
2500
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startup_key
Runtime Broker.exe
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 874dc85b74f8ee6a116d38453078905ee487949425e97a42de9b258dd6b8bbf5.exe
Files
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874dc85b74f8ee6a116d38453078905ee487949425e97a42de9b258dd6b8bbf5.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