Behavioral task
behavioral1
Sample
5b41a8ac5a68ab33e4891ea03533e8ea650c16dd669d277decae2f00217a1e4d.exe
Resource
win7-20240903-en
General
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Target
5b41a8ac5a68ab33e4891ea03533e8ea650c16dd669d277decae2f00217a1e4d.exe
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Size
3.1MB
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MD5
fa5f99ff110280efe85f4663cfb3d6b8
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SHA1
ad2d6d8006aee090a4ad5f08ec3425c6353c07d1
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SHA256
5b41a8ac5a68ab33e4891ea03533e8ea650c16dd669d277decae2f00217a1e4d
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SHA512
a3b898f758060f124c443422c6dc88ba80d9892890b25d21e37a1d3947cd4b9dbef403382ee6e28c1007785a63c5fa387f7d00403db433eb59c03d0b2a88b50e
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SSDEEP
49152:evkt62XlaSFNWPjljiFa2RoUYIYiaJpFZwk/zLoGdWr1THHB72eh2NT:ev462XlaSFNWPjljiFXRoUYIlaj
Malware Config
Extracted
quasar
1.4.1
Office04
havocc.ddns.net:4782
6a533ca9-c745-463c-8bba-b6aaa9eb7fab
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encryption_key
CB213225C623A8CB39D3E1628CD4D7E7D686A7F3
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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
Discord
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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 5b41a8ac5a68ab33e4891ea03533e8ea650c16dd669d277decae2f00217a1e4d.exe
Files
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5b41a8ac5a68ab33e4891ea03533e8ea650c16dd669d277decae2f00217a1e4d.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