Behavioral task
behavioral1
Sample
testv12.exe
Resource
win7-20241010-en
General
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Target
testv12.exe
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Size
3.1MB
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MD5
8f131c77156b85ca15444aabe87333ef
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SHA1
5402d8163423097e863bea234d211f5b13258a4b
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SHA256
84386ba4be46d6a071c25da1ec4f339817aeaad478a6ca9453e1935205571f20
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SHA512
95f05308d912a25b42a73e09c061ee88cedadb5080653ae8ae794f4de6e581c099f49dbc7943f54be838b72ac7649ff573f63e7326c0a8688e7508b62deb90b0
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SSDEEP
49152:Xv3lL26AaNeWgPhlmVqvMQ7XSKC1mKmzOUoGdcQTHHB72eh2NT:Xv1L26AaNeWgPhlmVqkQ7XSKC1mp
Malware Config
Extracted
quasar
1.4.1
Office04
4.tcp.eu.ngrok.io:16602
4.tcp.eu.ngrok.io:7724
af6a836a-9106-4785-8dce-1ced637f2ecd
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encryption_key
50B793FC4C8129DCCC330E337AEC3777884F3B64
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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 testv12.exe
Files
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testv12.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