Behavioral task
behavioral1
Sample
204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65.exe
Resource
win7-20240508-en
General
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Target
204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65
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Size
3.1MB
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MD5
be300aead5cd8e32fc9dd20fd9e7705c
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SHA1
06a78475e21027d024464579e01a30ef1f87ef6c
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SHA256
204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65
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SHA512
c342ba8a16308ecc0a2d1351ef37540586852535fd525cf25006fb9e68614fda006b8fce5ee872ebee082a722cdb479b8e61c88d09e2d7c0efaa212978fe264c
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SSDEEP
49152:Wvkt62XlaSFNWPjljiFa2RoUYI1URJ6ObR3LoGdZTHHB72eh2NT:Wv462XlaSFNWPjljiFXRoUYI1URJ6I
Malware Config
Extracted
quasar
1.4.1
Office04
172.20.10.2:4782
58c9d7ce-367b-46ee-a0dd-70acadaa8502
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encryption_key
7D391C6FD1226D3B96AFC080317CBD4D6C3E6AFB
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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
Windows stereo
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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 204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65
Files
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204a88d4a5da2b21a7282fcd548be2fed1ab02f297ac2f2483ffa6bf38c01f65.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