Behavioral task
behavioral1
Sample
2d4119d56ebd7b3c7feaac3ab87f71c0N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2d4119d56ebd7b3c7feaac3ab87f71c0N.exe
Resource
win10v2004-20240802-en
General
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Target
2d4119d56ebd7b3c7feaac3ab87f71c0N
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Size
3.1MB
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MD5
2d4119d56ebd7b3c7feaac3ab87f71c0
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SHA1
75cb636442f75f440ff744607cf0c88060291e01
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SHA256
17c034045f23f7a964f3b3723035b7765f88f41ee78929ea9859c8375b73989b
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SHA512
5eabac753d23ab38ee4eab5466f71c5e175f4896a01ad7c39c487b3b344498996e37b2f4625f06d810779c47e57405c70e6c11bdbab4907495fe6f648e7c9efd
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SSDEEP
49152:uvDY52fyaSZOrPWluWBuGG5g5hu/FAnqvjTLojdusTHHB72eh2NT:uvE52fyaSZOrPWluWBDG5g5hxnG
Malware Config
Extracted
quasar
1.4.1
Nexia Crypter
127.0.0.1:4782
ebdac084-eef1-4b7d-937e-294e7d456187
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encryption_key
504129CE390681D21BF2BA5F4C79A852DD7A0B77
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install_name
Client.exe
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log_directory
Datos!
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reconnect_delay
3000
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startup_key
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 2d4119d56ebd7b3c7feaac3ab87f71c0N
Files
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2d4119d56ebd7b3c7feaac3ab87f71c0N.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