General
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Target
Client.exe
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Size
3.1MB
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MD5
1b9d131113ba317f61c680608d1f5044
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SHA1
3a6740e37ca55933bd2977f4a4e0223b4abe02ae
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SHA256
2c2352205f2ce5df483aadd89af9ed9750bb1df13b246906e92cf31101572537
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SHA512
6b7127d5e28e1a6661e5c84d473375ff4475d87225b331fbf2fd9252f57c7b611fd0accda7520812833fe996bf0001ed68c0d7c89946c31b06041a4c7f7b3193
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SSDEEP
49152:uviI22SsaNYfdPBldt698dBcjH3vRJ6sbR3LoGd9sTHHB72eh2NT:uvv22SsaNYfdPBldt6+dBcjH3vRJ62
Malware Config
Extracted
quasar
1.4.1
Office04
tr2.localto.net:46564
c47e2046-1058-430b-9398-803360379972
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encryption_key
76663067AA8B43723242B084D486BDDB88B05879
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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 Client.exe
Files
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Client.exe.exe windows:4 windows 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