Resubmissions
20-12-2024 23:11
241220-26q2fswrhj 10General
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Target
Client-built.zip
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Size
1.2MB
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MD5
3f9efdb6a228d80e9359cb3cd3eb8f43
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SHA1
42c11797817e399bace2b94de3d44a067ef03c7e
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SHA256
319f3d6b92ec7d20d9920d1e9f2cc67a2ce689335a748746fe38f37a16868e4e
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SHA512
1cf4355d110595861818e63798ef7e7c66f3d5244465c26ffafd95008434a8f256826f2c6e3534482896cbb97831b7212acf544dbd090519078d24da79fa530c
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SSDEEP
24576:LdxFL0yVJ9EdVo5fznl2U8YIiCy9AoaWibhjeO88j6zC:xrlVKarl2UNVrixeOd6zC
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.14:4782
0c87075a-1709-4bbf-b370-fda5b6d1d98e
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encryption_key
8964B598D8DCA54C855C6A0315930A7B1DEA3A38
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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 static1/unpack001/Client-built.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Client-built.exe
Files
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Client-built.zip.zip
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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