Behavioral task
behavioral1
Sample
Solara.V3.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
Solara.V3.exe
Resource
win10v2004-20240802-en
General
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Target
Solara.V3.exe
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Size
3.1MB
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MD5
ed7ee066ccd2c8b4f79e033a6cce060b
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SHA1
2ca343061c62cacc50857d7e514062e6ab392c75
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SHA256
8f76633128b2e86a0fca0d152286efcf8e962bbb48efe83408133241fee6cc5d
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SHA512
510e1282603d8e14221f105b0d5c5c238065153ef4a4fd8a91f1771aaaa35d6184663b8b2996f46565b034081d2dc54aec499e6fbd5e493fce9f84135ff760b5
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SSDEEP
49152:CvyI22SsaNYfdPBldt698dBcjHQjILX7GeoGdhTHHB72eh2NT:Cvf22SsaNYfdPBldt6+dBcjHQMLX7F
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.87.77:4782
d11f01e2-f047-4b1d-87d9-5ba9990ceadc
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encryption_key
8D80748F4532F141468BEDFB0B416C2797D791C9
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install_name
Client.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 Solara.V3.exe
Files
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Solara.V3.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