Behavioral task
behavioral1
Sample
nameig.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
nameig.exe
Resource
win10v2004-20240412-en
General
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Target
nameig.exe
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Size
3.1MB
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MD5
2dfed43a25696c4ae9594c42a181dcd4
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SHA1
382275ad2dd0dfe7ed9b00817288784f57541a30
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SHA256
35924438fe142b5183986b4e7130b49cf1104f84b9325f726e7036ca9e62f11b
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SHA512
e6ea9ea0747c5d03d5779b9fce165fd7f803cdf88ac933a63b85229345acba39e5f042ab4a5d2666da0b12d21da749e7a5b546d8133f18f5ae81d9d5a27332bd
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SSDEEP
49152:GvUt62XlaSFNWPjljiFa2RoUYIdAUtHbRQLoGdVLSTHHB72eh2NT:GvI62XlaSFNWPjljiFXRoUYId3tslL
Malware Config
Extracted
quasar
1.4.1
Office0342
127.0.0.1:2213
a9359b93-8009-415c-be2f-65760a14a69d
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encryption_key
EFF71D9D44DB5A6D9B14E191FC8CC16A1F4043B2
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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 nameig.exe
Files
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nameig.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