Behavioral task
behavioral1
Sample
Remote Administration Tool.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Remote Administration Tool.exe
Resource
win10v2004-20230703-en
General
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Target
Remote Administration Tool.exe
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Size
3.1MB
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MD5
73dcb3b3b59192b45f1975fc7a8e9d08
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SHA1
5fdaa30f92acc816c3b43db076f98c91391a3588
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SHA256
d580d7cf10f4eb1cd8aa0cbf80c30f832a0f052c33cdc3d1cf3710e6b67528a8
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SHA512
adce937291bf7c34e255d4b9785884552828cc07fc00b78842402e72e5addb31f61265c2aec593f5bdc1f041bdafd93758bfbc102c8ab25e4bbc7819c16aacc7
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SSDEEP
49152:zv2I22SsaNYfdPBldt698dBcjHPby3EfsAk/WPPoGdfTHHB72eh2NT:zvb22SsaNYfdPBldt6+dBcjHPby2H
Malware Config
Extracted
quasar
1.4.1
Infected
AmirAmir8565-20409.portmap.host:20409
ff410ede-beff-4970-8e12-7d251057f1fd
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encryption_key
1B172706DED462B59F2A5056AB06A8DD1EE8491B
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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
Realtek Audio
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Remote Administration Tool.exe
Files
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Remote Administration Tool.exe.exe windows 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