Behavioral task
behavioral1
Sample
Authenticator.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Authenticator.exe
Resource
win10v2004-20241007-en
General
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Target
Authenticator.exe
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Size
375KB
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MD5
85b43fd8aa9d8b09b8613f2fa47c6bb0
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SHA1
3729c0739c24b7ed9fda30684173a869c7398e80
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SHA256
6eea566794504979f9fa4d75285751f49afde178ad8a0cdfb81fceec9ebb2eb9
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SHA512
2898dc0c44a6543136281cf0bbdc03c3cc958098366773fc31ab047c2819e9df3d2b5596ded0d9a2811d915d4ced0404494dfa3381572c56dda9bf2772706ef2
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SSDEEP
6144:YbqQ4i1FFiEKZVSQZzs5jQKbgQ203StbjjSQkzaozVVqH:CpliPScgCy73StbjjSQkVzV0H
Malware Config
Extracted
quasar
1.3.0.0
Authenticator
iamaskibiditoilet-58299.portmap.host:58299
QSR_MUTEX_bNzknSVeSVx21JnqhQ
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encryption_key
wAIAzlOLR0d5V3YI1aCM
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install_name
Runtime Broker.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Runtime Broker
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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 Authenticator.exe
Files
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Authenticator.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: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 29KB - Virtual size: 29KB
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