General
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Target
Client-built.exe
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Size
3.1MB
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MD5
7aeb9e8532a0de42b2c3f0bf134fe509
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SHA1
b420867bc936643ee5b64a0f22702d66a5e8141e
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SHA256
74cf657f0ff99ac3dd08ce012a2d0413376dc0cf91a8825b81c2dd5afe548392
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SHA512
db25efd6d7bf6b8b3692e8e6010115f226d75a80eb6fd7920010485c075d25e308a69b9abdb5687c1142131bc20ba6f780f2f9f170ea9ce3b510a03faa2f13cd
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SSDEEP
49152:Wvkt62XlaSFNWPjljiFa2RoUYIjLe2EGaxk/uh6oGdOTHHB72eh2NT:Wv462XlaSFNWPjljiFXRoUYIjLe34
Malware Config
Extracted
quasar
1.4.1
Office04
girl-tries.gl.at.ply.gg:7131
524f4736-b434-4f1b-87d4-60efee95f1a0
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encryption_key
FD2C72B7511C4796A615A71C40CAA513DD1F1A24
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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
ByfronV2
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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-built.exe
Files
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Client-built.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