Behavioral task
behavioral1
Sample
2FA-BYPASSER-V4.exe
Resource
win7-20240221-en
General
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Target
2FA-BYPASSER-V4.exe
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Size
3.3MB
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MD5
2d6b174e61360c198aec5fd2bc5a3191
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SHA1
3644a5b7ed7e3ca47764c75f8ffdacd146acebb7
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SHA256
eb4736e38e0a0eaa0a5ca4da2c5158b86a92717daf133d48588e8a8158848917
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SHA512
1c9eb249a8dc9f556cf7e7f2c5b1790e68b1220a30d96e3092538a2716dbafcd14da71a8952f0e4c43f8f1889f910c55e6129fc680df1cc428c67335721539b6
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SSDEEP
49152:0vmlL26AaNeWgPhlmVqvMQ7XSKkY/jBxdLoGd7MTHHB72eh2NTr:0vmL26AaNeWgPhlmVqkQ7XSKf/lJ
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.66:4782
05161c78-3add-4abe-be74-c90ffe22a3b5
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encryption_key
E4C1BAEF215E4DFD936E3FE3892ED4EEAA3F077D
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install_name
2FA BYPASSER V4.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 2FA-BYPASSER-V4.exe
Files
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2FA-BYPASSER-V4.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: 188KB - Virtual size: 187KB
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