Behavioral task
behavioral1
Sample
Ransomware.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Ransomware.exe
Resource
win10v2004-20221111-en
General
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Target
Ransomware.exe
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Size
502KB
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MD5
b08b88db0f73d88e352f98f1a7c1fb5f
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SHA1
d7eca5fbb92029917ab56672689f809aa06e6a20
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SHA256
77f05c3fa5092f7583c9f747ce1ecf696be2cbe0aff3e9c974b73693ef3b172e
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SHA512
4e1281bc2431d9a13bd5ce967a39d8a3c264b6d465c67bf2f8212cc075eb89444f5d946f9b3b0e72d85ceb81800117c107389980b131d879f70c3182f9a5db7c
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SSDEEP
12288:kTEgdfYzbgpTU03c4nywOcpXQRsnRcdr:pUwsXxywOcpXmsRcdr
Malware Config
Extracted
quasar
1.4.0
ActiveDirectory
193.149.176.156:8080
84609ecb-d94d-40c4-85ff-8b3191e9d5f0
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encryption_key
936C784DF6BFBCB86D89EDF1DA8425E6D70DCFBB
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install_name
explorer.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Defender
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subdirectory
D3SD
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
-
Ransomware.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: 498KB - Virtual size: 497KB
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