Behavioral task
behavioral1
Sample
e63b41bfdd3a89b6ebcfc05db158fdc399dbc081e49b01498831a62df34defc3.exe
Resource
win7-20240903-en
General
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Target
e63b41bfdd3a89b6ebcfc05db158fdc399dbc081e49b01498831a62df34defc3.exe
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Size
3.1MB
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MD5
e9a138d8c5ab2cccc8bf9976f66d30c8
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SHA1
e996894168f0d4e852162d1290250dfa986310f8
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SHA256
e63b41bfdd3a89b6ebcfc05db158fdc399dbc081e49b01498831a62df34defc3
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SHA512
5982fc759c8b1121ab5befaac53e1521931f06d276140195fa1fcbcd1069f546253e366ef4cc37245b3bc2ed60c4b8d0583f133a1264efd77938adf456a08ccc
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SSDEEP
49152:fvrI22SsaNYfdPBldt698dBcjHCWvXE/sGkCqILo+dPVTHHB72eh2NT:fvU22SsaNYfdPBldt6+dBcjHCWvTm
Malware Config
Extracted
quasar
1.4.1
Office04
Dystopian-62863.portmap.host:62863
e1de8f9b-5a7a-4798-a6fb-c03591ef3442
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encryption_key
8C1BB32BFD240218BA0CB04D65341FB1FDE1E001
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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
SubStart
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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 e63b41bfdd3a89b6ebcfc05db158fdc399dbc081e49b01498831a62df34defc3.exe
Files
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e63b41bfdd3a89b6ebcfc05db158fdc399dbc081e49b01498831a62df34defc3.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