Behavioral task
behavioral1
Sample
7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391.exe
Resource
win7-20231129-en
General
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Target
7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391
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Size
3.1MB
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MD5
cf6cf8a04a5bae534dd0601ed735db8f
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SHA1
f7e908a9e676bf63d105527302d1daa89f2d7d67
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SHA256
7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391
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SHA512
49a44a6db4bc9a7472cc06a65e093bb9c66465b69f0a26be75fd121229cb36797d2ca295a339680f094b940008a355853e440fc41db64ce4af61bd09ea813421
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SSDEEP
49152:2vAt62XlaSFNWPjljiFa2RoUYIIxOEMkak/JxBoGd+THHB72eh2NT:2vs62XlaSFNWPjljiFXRoUYIIxpn
Malware Config
Extracted
quasar
1.4.1
Office01
192.168.56.1:4782
7108d370-c6c1-4434-9347-d5da6fb197f0
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encryption_key
BE8730DE18943850633F52D45C39302ADD1A33AB
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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
Spotify
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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 7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391
Files
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7a5cee93972ee88f9d8740e9777e133ceb2b7854ab2c3da640a10ab1e23af391.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