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
eadc6298cf80a65da86c5f095d80365b
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SHA1
4f15223e11f8305096832673e7d3330551dde643
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SHA256
1f46634fd66862bbe110740bd12d9989421ba0e22ab97cebf220b481b191ca2f
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SHA512
1b2835f018524c98ba66dfcf02b191f11131d9b7907961d13ddbdf22fac8c8fe6168fbc0bf98c4ac3d8067ab6c2d7ab9eab64cc82c0662d183847456624f17d3
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SSDEEP
6144:bzL3HRsM+OFZsDfyaALjuWndicpbPf9ZOK8niVbkmJu:XVP+MPFnBpf9ZORniVbkmJu
Malware Config
Extracted
quasar
3.0.1
Nigga
runderscore00-37568.portmap.host:37568
QSR_MUTEX_Jk9UNyFvu6bseKbzj7
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encryption_key
1hhxPzuu9tRn0FXFEBW4
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install_name
$sxr-powershell.exe
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log_directory
$sxr-Logs
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reconnect_delay
3000
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startup_key
Powershell
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subdirectory
$sxr-seroxen2
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: 344KB
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