Behavioral task
behavioral1
Sample
2223.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
2223.exe
Resource
win10v2004-20240802-en
General
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Target
2223.exe
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Size
3.1MB
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MD5
c3c4e7146234062caa927ce421997ba2
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SHA1
59e75f2572b96f47385247809944b79203cadd11
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SHA256
3a2f1d6b2bd693f96180d3e966fcfc90e067ea4019bd3b4a00357fd235d9f224
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SHA512
4e485e7200170a842bada858c247d3843efb283b28545e19f6b855733e7812af2965859fb1f1f94fc58a2ef52acb42bc6e75ec5dc92cd1412ed4530014dba391
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SSDEEP
49152:ZHobtR1o2PmNXo7WCr05HKKQHYSrYdaTHHB72eh2NT:ZHmRvmNXo7WCr05HKKQr
Malware Config
Extracted
quasar
1.4.1
GensisLoader2
147.185.221.18:42996
147.185.221.18:1770
c2e1b18a-ce93-436d-ad8b-21bf89015e19
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encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
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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
Quasar Client Startup
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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 2223.exe
Files
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2223.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