Behavioral task
behavioral1
Sample
Sigmaboy.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Sigmaboy.exe
Resource
win10v2004-20241007-en
General
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Target
Sigmaboy.exe
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Size
839KB
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MD5
5ff4807e24e3435c8e2d88be60086109
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SHA1
3724453097aa75f412094aa9d72d53be07e99ef6
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SHA256
227befcbc16bcd69e4f1b9b634492eba0c952e06b9ed94b199edce3804b84f51
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SHA512
0f4a80c5e26b87bb5223d509111c9401ce763fd4f5bfb845ef8cbfde1bfbe0e71c33bc594b4a842948fca731b02a106e138eaec017505bab6b8a454303d71032
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SSDEEP
24576:BpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rP:BL4auS+UjfU2TmdIbt+r
Malware Config
Extracted
orcus
147.185.221.24
6dca1f42faa743d681c44618578d8050
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administration_rights_required
false
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anti_debugger
false
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anti_tcp_analyzer
false
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antivm
false
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autostart_method
1
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change_creation_date
false
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force_installer_administrator_privileges
false
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hide_file
false
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install
false
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installation_folder
%appdata%\Microsoft\Speech\AudioDriver.exe
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installservice
false
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keylogger_enabled
false
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newcreationdate
12/17/2024 15:29:42
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plugins
AgEAAA==
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reconnect_delay
10000
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registry_autostart_keyname
Audio HD Driver
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registry_hidden_autostart
false
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set_admin_flag
false
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tasksch_name
Audio HD Driver
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tasksch_request_highest_privileges
false
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try_other_autostart_onfail
false
Signatures
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Orcus family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Sigmaboy.exe
Files
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Sigmaboy.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: 837KB - Virtual size: 836KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
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