Behavioral task
behavioral1
Sample
3b768b2bbb5f39338629e1a2882d2d1400561b4efa9246925ae9b2a5cf25e22b.exe
Resource
win7-20241010-en
General
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Target
3b768b2bbb5f39338629e1a2882d2d1400561b4efa9246925ae9b2a5cf25e22b
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Size
3.1MB
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MD5
ff11676c297b605cc6bcc03b16c39af7
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SHA1
314533840386fe35ad8d4cc93db801f8241fee8b
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SHA256
3b768b2bbb5f39338629e1a2882d2d1400561b4efa9246925ae9b2a5cf25e22b
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SHA512
b6fc50643af84b131fc27d6920568dccaa2f8d075b23c444dc8303f7649a2f0a89e6212628e4aff608a4a28a4aea4543539f6eaf4591342515e3fd9b7fdca49b
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SSDEEP
49152:PvWI22SsaNYfdPBldt698dBcjHrLRJ6ObR3LoGdqTHHB72eh2NT:Pv722SsaNYfdPBldt6+dBcjHrLRJ6I
Malware Config
Extracted
quasar
1.4.1
Office04
100.120.140.9:4444
20161849-5e05-48ea-89e2-52bd41e48560
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encryption_key
6FDAA03D192B9C03BF83E41A8BBF78996D321E27
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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 3b768b2bbb5f39338629e1a2882d2d1400561b4efa9246925ae9b2a5cf25e22b
Files
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3b768b2bbb5f39338629e1a2882d2d1400561b4efa9246925ae9b2a5cf25e22b.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