Behavioral task
behavioral1
Sample
image logger.exe
Resource
win7-20241010-en
General
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Target
image logger.exe
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Size
3.1MB
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MD5
c1681b5b8a3f9d40d46c6bdaaa66083d
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SHA1
51e7ec6ba88909bd2de4ec9b36cc31948624e4f3
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SHA256
6a97a356e44ccd5f33ac40934f77e796faca89403e2daae4f36c66ff52cbb22f
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SHA512
8ce33bd2c8f40ae92acbae4898bfff51a699f91c8f70b212921fbfbf2bf9b523a4049ee421d7e0d559e29a4df6faa27707d03fa987917ce7077c635090be4fff
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SSDEEP
49152:uvnI22SsaNYfdPBldt698dBcjHWFwGGBeFLoqdhuTHHB72eh2NT:uvI22SsaNYfdPBldt6+dBcjHTGX
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.18.43:4782
8f30f04b-4a42-46fb-9c42-479d848d3ab8
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encryption_key
4767B12C6A8C8F78710F92C585FA862093584320
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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 image logger.exe
Files
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image logger.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