General
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Target
AugustusInstaller.exe
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Size
3.1MB
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MD5
d0d6aa544dd91fa40db301efa7528019
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SHA1
c02eb4a05fcd515bfb247dccc765c0e4b9ddfffa
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SHA256
d27d4eb04172e979d6660f5f3ef9b9caced7a535c423571ad6685d76445a7d8d
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SHA512
bc8961509e54ad4f3f96d224b1f44fb415358a9ebfada09b995860799cbb169fe39bcf6520cf3e9e30b63915633692c21e5dbc5af569da59f7e2d80fd36df532
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SSDEEP
49152:mvaY52fyaSZOrPWluWBuGG5g5hCnc+p7RvkCqLoMdITHHB72eh2NT:mvv52fyaSZOrPWluWBDG5g5hCncX
Malware Config
Extracted
quasar
1.4.1
Office04
10.0.2.15:4782
467b644d-3aa7-4652-9849-85b82e772b7e
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encryption_key
D65D0AFFBB620AD32D40AB4922CBBC09E85999E8
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install_name
Augustus.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
System
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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 AugustusInstaller.exe
Files
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AugustusInstaller.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: 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