Behavioral task
behavioral1
Sample
Internal.exe
Resource
win7-20240215-en
General
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Target
Internal.exe
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Size
3.1MB
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MD5
be5b55bb6d4f8664c9bf666d6c0a7091
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SHA1
61d5d4e5ef19f45534b0cee932bf6c221a4d894e
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SHA256
34488fe08fe3d2e51142541f8ef6ac0f912ffd5d2ea5ea35cd93c0be7a76e66e
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SHA512
55e1ade5ae25cc8a6ba4b78ea67f1f707a805efe30299876182a957cbc69db3e5e817d435f94b437a93ef2395b17dcd879754b4e22ebaa0e7c94771735763122
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SSDEEP
49152:LvEuf2NUaNmwzPWlvdaKM7ZxTwqSeEErHIk/uVWoGdRcTHHB72eh2NT:Lvzf2NUaNmwzPWlvdaB7ZxTwqSeSE
Malware Config
Extracted
quasar
1.4.1
svchost
192.168.0.120:4782
9fde5542-6125-4272-a814-17dab286fa9f
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encryption_key
7D71500E67A8C0039FEB5CC2A22FA4DAC65EF711
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install_name
svchost.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
svchost
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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 Internal.exe
Files
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Internal.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