Behavioral task
behavioral1
Sample
AerisBoostrapper-13-2.exe
Resource
win7-20240903-en
General
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Target
AerisBoostrapper-13-2.zip
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Size
1.2MB
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MD5
a592816082d74d974297695818fffcc7
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SHA1
29d1292abd18cabc922538b078a8f73678c6a6f2
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SHA256
965b676b1f41d84e4db8100d4658eaaf99cebc90d2e2430bd48bcc7634d257d6
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SHA512
b3f330638ba3ea0c53477cf7bfda6de57f749e0c14f385afabd8497b9c05531beea0f8ad14cb151caa077390a72c0329e4e16ee7456226fc205735ebee70db34
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SSDEEP
24576:m3K0XoHCW/HxEAijmMa77zBgFXKUQfC+ZVcOEZXOx5aQGh5hGopf8a85:mfoioHLwm577yA7n+OEZQ5fGhGop0a85
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.7.254:4782
ec379305-a810-4d7e-97bd-07901661d993
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encryption_key
4F7174D194172642AE5CB98C8155E3A959E610E5
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install_name
MsMpEng.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Security
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
resource yara_rule static1/unpack001/AerisBoostrapper-13-2.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/AerisBoostrapper-13-2.exe
Files
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AerisBoostrapper-13-2.zip.zip
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AerisBoostrapper-13-2.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