Behavioral task
behavioral1
Sample
b36d08e7258bd1ce13ac7b32ad34b6fc.exe
Resource
win7-20230220-en
General
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Target
b36d08e7258bd1ce13ac7b32ad34b6fc.exe
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Size
502KB
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MD5
b36d08e7258bd1ce13ac7b32ad34b6fc
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SHA1
745f25a4ff447be0f7f6eaa31386ddd577353154
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SHA256
801e585c7d99f8b20e9d68509c340d1f16f5e5756c1183ed806ec6e671c17ee6
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SHA512
70f5f42687de9bbf1e5f0ad8bb862cff92954e8018195094968c054d2d8dfec750c51d95da58f9c44ebaf265f85a41d52625782f952a42330fc72854aea5e35d
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SSDEEP
12288:0TEgdfY8l6sVd5Hl49yw5Spc7ajTecdi:5UwMJHQyw5Sp3Wcdi
Malware Config
Extracted
quasar
1.4.0
blue3
125.177.149.250:4782
misov.asuscomm.com:4782
misov.kro.kr:4782
4547f595-e0c1-4f30-93a6-2dfdc145e1c2
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encryption_key
6DBCF6C041C55190C285DDD96C210DFEC70016B1
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install_name
updata.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
OBS updataer
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subdirectory
OBS Updataer
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule sample family_quasar
Files
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b36d08e7258bd1ce13ac7b32ad34b6fc.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