Behavioral task
behavioral1
Sample
quasar_clean.exe
Resource
win7-20220901-en
General
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Target
quasar_clean.exe
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Size
376KB
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MD5
1e9ac0b5547b0fa980e4ee8529677be5
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SHA1
c25c80b4325218cd8e4f4ca11e404293829963f2
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SHA256
191e85b65efedab77e67bdaa3a4aad1915f0fa991c1858b359d8a92c679206a8
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SHA512
e86c50705690191ab37f84d9c9675e8c820d9dee9bc9b54dba689c0bcfe9a55d8faf0ade793c01eaa5a66a60741e4794d884d9f140126a58f0388faaa9c85ec5
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SSDEEP
6144:B8NHXf500M+4EFC4KQk7lKxbvY67CACSerymKtwe:6d50yAQlbCjSerymmwe
Malware Config
Extracted
quasar
1.3.0.0
top
dnuocc.com:64594
www.dnuocc.com:64594
QSR_MUTEX_NKzsG6279pND1MmPDw
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encryption_key
6c7zzdS2IXrGaCb9wrMU
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install_name
tors.exe
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log_directory
Logs
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reconnect_delay
5000
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startup_key
tdm
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subdirectory
tilk
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar
Files
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quasar_clean.exe.exe windows 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: 352KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 8KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 8KB - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ