Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
afbe43a1d3e9986c5a72a9d7dc2db574
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SHA1
21ef2f45fd401a680094ee78d4429338aebd53fa
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SHA256
e041e66e2ae3d5f3788712173628f211d4ac597071a9724035655e3d5812f632
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SHA512
03d734318c8fff5a3a6d30601bcfd35f6ce95f8a32f7f095f103464551b7afdaf22f3a98aaa1ac7c35a53058db85455250d9ecfcb65521de138f88377c80b5a4
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SSDEEP
49152:/vblL26AaNeWgPhlmVqvMQ7XSKCkbQMoGdv5THHB72eh2NT:/vBL26AaNeWgPhlmVqkQ7XSKCkbd
Malware Config
Extracted
quasar
1.4.1
Office04
traffic-appointed.gl.at.ply.gg:15980
a1cf046f-88d0-4438-ba9e-206f45ca6749
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encryption_key
F426A0AAE097F6C161D9B012687B93AED480E211
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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 Client-built.exe
Files
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Client-built.exe.exe windows:4 windows x86 arch:x86
Password: 1234
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