General
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Target
ConnectToServer.exe
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Size
3.1MB
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MD5
622f266e2d1ca12b98a9f553bc38f366
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SHA1
7c042256bf6f26ef421012a9dcd23b5cec63b738
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SHA256
37c354b78bac35fcb8ea01381e4bbc0013c3d462414c2246a26797790362b50a
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SHA512
23f704937ac1ae19edf5215474da6a31411b94dfc6572d45cb51a6fd6fbd464cb39d59eaaee7c12dc890d29177f3abe3e85c87693dc4f8d3f5f0b351a2a855d9
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SSDEEP
49152:DvCI22SsaNYfdPBldt698dBcjHLb4OZjDvJuJoGdinTHHB72eh2NT:DvP22SsaNYfdPBldt6+dBcjHPjQS
Malware Config
Extracted
quasar
1.4.1
Office04
hi-tin.gl.at.ply.gg:14413
a7a63354-73e8-4f60-93c0-dfe7bb74afe3
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encryption_key
00B725E3944DCC9CC2ADDC0820F57FE1981B6AC6
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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 ConnectToServer.exe
Files
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ConnectToServer.exe.exe windows:4 windows x86 arch:x86
Password: 1234
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