Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240508-en
General
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Target
Client-built.exe
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Size
3.1MB
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MD5
60e4077bc5c678f1f89f57715f3e979d
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SHA1
9a49bd9e868772b1bc3db5e88736a807a64c29ed
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SHA256
939efe1ad093f827c7705afba9f48aea6a22b737cfdc8211ddba615138f8524b
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SHA512
708890550f5db31f840475f87039590956593a00d93c852fae59fc84764e51cadb9318bc52efc03becf648292803891bc70a6011622027ecd35ba054d43698cc
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SSDEEP
49152:uv/I22SsaNYfdPBldt698dBcjHh0xNESEbk/iXLoGdtmTHHB72eh2NT:uvQ22SsaNYfdPBldt6+dBcjHCxW7
Malware Config
Extracted
quasar
1.4.1
niga
172.31.32.1:4782
d4922296-6b1c-4eb8-9900-8245ddd677af
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encryption_key
ED126047C03399C2E91AEC0EB5284E8942B0414E
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install_name
asdkwk.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
kreiasad
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