Behavioral task
behavioral1
Sample
rak23.exe
Resource
win7-20240903-en
General
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Target
rak23.exe
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Size
62KB
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MD5
a7cb20aa15a5d432a4bc9b7a14d8ccaa
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SHA1
1b5aef41b124f43c5cf0bf8a2b2ab1661872e616
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SHA256
c2059e4e819ebb6b6d9b6378754fc30cbfdf28ab61af12eb471e2f73fe405228
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SHA512
3316be0c0dbb1ff3ac7c5020efbb8a87ad548e612ada171a5c686d24c0febd44a517842f94214c0b4f32cbd6f5d8b4819ab670751f25f6013e4815994695ca1d
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SSDEEP
1536:a/PiQY2l00hC+ln91tcb9SaA0M6+UOoj6+:KPfFOg9rcb9SCOe6+
Malware Config
Extracted
xworm
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Install_directory
%Temp%
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install_file
chyrka228.exe
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pastebin_url
https://pastebin.com/raw/MdxXj6A4
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule sample family_xworm -
Xworm family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource rak23.exe
Files
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rak23.exe.exe windows:4 windows x86 arch:x86
Password: 1
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: 60KB - Virtual size: 59KB
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