Behavioral task
behavioral1
Sample
KR6nDu9fLhop1bFe.exe
Resource
win7-20240221-en
General
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Target
KR6nDu9fLhop1bFe.exe
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Size
3.1MB
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MD5
e3d628461d24faf2ad61e1305ed99542
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SHA1
aefcdd93114397de51ce8f63e9ef96b65a5b5c11
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SHA256
c509ea51e44a654f104ab9fb8e5d681a871159c73fcf3f666245e303387329b2
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SHA512
20d47ef82c1dde83325d088c69ff9ae6f968b0a19d652f5ed2f21b1531c86fbf0b49e9df0d524c1333001c7565a8a56039aa31bb82ceba63c41b989dc8fcc991
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SSDEEP
49152:xvSlL26AaNeWgPhlmVqvMQ7XSK0bLimzCCoGdITHHB72eh2NT:xvKL26AaNeWgPhlmVqkQ7XSK0bLz
Malware Config
Extracted
quasar
1.4.1
Office04
31.177.108.29:4782
553dcf2c-4c70-4c0c-935a-2e078a46f03e
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encryption_key
DAFF70D249B4EC619D5A052FDD3418E3549FF268
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install_name
KR6nDu9fLhop1bFe.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Defender.Process
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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 KR6nDu9fLhop1bFe.exe
Files
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KR6nDu9fLhop1bFe.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