Behavioral task
behavioral1
Sample
NEAS.3faacab8026f938f4cc8a8b4f32269cbe5c4841127331b7ed1f3143c03debbf1exe_JC.exe
Resource
win7-20230831-en
General
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Target
NEAS.3faacab8026f938f4cc8a8b4f32269cbe5c4841127331b7ed1f3143c03debbf1exe_JC.exe
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Size
3.1MB
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MD5
a31b67f97d412b46d86cfd27c8506640
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SHA1
a347d203f2e7eeed48223056f8f9b90e2d4504c0
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SHA256
3faacab8026f938f4cc8a8b4f32269cbe5c4841127331b7ed1f3143c03debbf1
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SHA512
4356c72df97832ec76a57448524d0148e10150c95c581fb6d8e25d3fdfb19d0597dde1755a14aee1a1f1dd54cef41e1429b1ffe7e242b7bba8a73d622b75b2bc
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SSDEEP
49152:HvrI22SsaNYfdPBldt698dBcjHhYh3taraLoGd2waTHHB72eh2NT:HvU22SsaNYfdPBldt6+dBcjHk3l
Malware Config
Extracted
quasar
1.4.1
svchost
167.86.88.89:4782
173.162.117.22:4782
fcf3df81-00b5-4f4d-a5f0-14c82448d6d8
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encryption_key
EFFC708C695FDD28DA3E431C9C4D0B7D266BF7C8
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install_name
svchost.exe
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log_directory
Logss
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reconnect_delay
3000
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startup_key
svchost
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subdirectory
worker
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 NEAS.3faacab8026f938f4cc8a8b4f32269cbe5c4841127331b7ed1f3143c03debbf1exe_JC.exe
Files
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NEAS.3faacab8026f938f4cc8a8b4f32269cbe5c4841127331b7ed1f3143c03debbf1exe_JC.exe.exe windows:4 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: 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