Behavioral task
behavioral1
Sample
Pulse.exe
Resource
win10ltsc2021-20241023-en
General
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Target
Pulse.exe
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Size
3.2MB
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MD5
535322149244cd68409b0993ae2a754c
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SHA1
2853957fbf35d1a52eabf3e8a795f76d385d60bd
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SHA256
65603e83477ef928bedc7aa918d3b1dee61896f602fa3313a74188fbcb965596
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SHA512
18d31f91ebbf934daec9f887359088f5702efb8438e100d054a1009c14a614d38611e8fcc7562c9b81d0069a83439c58f40d5883abfd3005e9241be4ce4a2fc3
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SSDEEP
49152:TvEt62XlaSFNWPjljiFa2RoUYIkCn1JyLoGdMTHHB72eh2NT:TvY62XlaSFNWPjljiFXRoUYIkCE
Malware Config
Extracted
quasar
1.4.1
Enigma
192.168.1.86:4782
bd83f1df-b3b7-42d7-8445-4f609db2329e
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encryption_key
F3A4FE9327E3E026CF9F5187588DCA6A20115433
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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
host.exe
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource Pulse.exe
Files
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Pulse.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: 44KB - Virtual size: 44KB
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