Behavioral task
behavioral1
Sample
jitrunnerstest.rar
Resource
win10v2004-20240419-en
General
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Target
jitrunnerstest.rar
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Size
1.0MB
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MD5
b3fbf60aff6bed35b3f678c1c250780e
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SHA1
4c582a5d6f0c0b39a4c308d68f6dea0d8731a5dc
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SHA256
87fcb21c5d017aed8b06dac5fdeae6dd2ff8ee3266a50d137dbbc11d69358729
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SHA512
52e87057e61912397f86a5e684ac198588e0489cc79af810070969046570b83f3dc9c77fe24b4792271717084b0a291f83db2422607b04dd5f224b77d04b7cd1
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SSDEEP
24576:1sT0XJHr0aCqzyUo8bveQ7zSPCCdnpWUL+ylAXBH+lJY:yo54ahyQwd4UyyABoS
Malware Config
Extracted
quasar
1.4.1
UserPl
212.8.243.68:4782
84717ea4-0aab-4498-82f3-2a1f87eac0b3
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encryption_key
6CD2F991BEE6A32555790E5FEE571D0A40B384C7
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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/jitrunnerstest.exe family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/jitrunnerstest.exe
Files
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jitrunnerstest.rar.rar
Password: 123
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jitrunnerstest.exe.exe windows:4 windows x86 arch:x86
Password: 123
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