Behavioral task
behavioral1
Sample
Hyper-Stealer-Builder.exe
Resource
win7-20240221-en
General
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Target
Hyper-Stealer-Builder.exe
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Size
3.1MB
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MD5
c277050c99943c85e75a69b9a3898ee7
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SHA1
e99fcda426766f8ea39a5a1ce6c1529e74beae6c
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SHA256
0e5e6fd96f27666d8f4d1986265e85e1958f88302e4e6244f7ee8746bab42425
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SHA512
0b2b5f7836e14c23a830eb42028173c014b107db60989c93dc544d5cd79f191c963c88b7ca43f76dc368d07ef960a0f308d4c0b2070215e77c59ae41e004fbbd
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SSDEEP
49152:BvbI22SsaNYfdPBldt698dBcjHH7RJ6jbR3LoGd6THHB72eh2NT:Bvk22SsaNYfdPBldt6+dBcjHH7RJ6V
Malware Config
Extracted
quasar
1.4.1
Office04
80.222.152.67:4782
b1211cdc-e7ee-41df-a882-918ae7c97f3c
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encryption_key
A684ADED669CF87DBFCB7333A13FCD58A8471D17
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install_name
HyperUD.exe
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log_directory
AppdataLog
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reconnect_delay
3000
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startup_key
Steam Client Webhelper
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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 Hyper-Stealer-Builder.exe
Files
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Hyper-Stealer-Builder.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: 7KB - Virtual size: 7KB
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