Behavioral task
behavioral1
Sample
Uni.exe
Resource
win10-20240404-en
General
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Target
Uni.exe
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Size
348KB
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MD5
1d80e97fa368ed45b869b9270a60619e
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SHA1
2088c102a58be3407403735797505035ad086b53
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SHA256
c7af1ce20e3ae9b8a99511b5c8e97254fe55f88ea3b1b62c13983fe560364bfb
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SHA512
15957273e425302b5772c4f3783e4407639aac7737fe66045116200c4152eea7d35ca304f7beb2fc757d71e57eec84ae024d007c4e4c2d33e7c7eb751012a3c0
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SSDEEP
6144:rrL3HRsM+OFZ0MbB90bpYlz3FdSCup3bN:fVP+M6K3XSCcbN
Malware Config
Extracted
quasar
3.0.1
Office04
aimbotfr-31586.portmap.host:31586
QSR_MUTEX_kZpgHXcbTqoAXhJbxd
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encryption_key
1dA6zhnsvYkEuy14IeUG
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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 Uni.exe
Files
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Uni.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 345KB - Virtual size: 345KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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