General
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Target
zolara.exe
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Size
3.1MB
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MD5
a1d89913b966c5e3fc6b51622e084a2b
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SHA1
b6442e771e09622c997270ba952f5bc6b49cff7a
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SHA256
a2137052c6d97ec763cac8ba5020e0598971069ed9ca4c04f64ceb2e3e2edf98
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SHA512
db22d2de93305930382565026a3bc45f36095c1cf7f878383f4f72b71e81cf684fe8975b35c57cd45fe0de821c10200920a10356dc073b4e68173f9624d7107e
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SSDEEP
49152:SvyI22SsaNYfdPBldt698dBcjHrfY21JJ5oGd7THHB72eh2NT:Svf22SsaNYfdPBldt6+dBcjHrfYa
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.129.2:4782
c1582fb2-dbc2-43dd-8bf2-3e7e81ba8445
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encryption_key
BA2DD4E3436329090BD29473FBDF95430BFBEA77
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install_name
zolara.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 zolara.exe
Files
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zolara.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