General
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Target
Firefox Installer (ratted).exe
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Size
170KB
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MD5
200eb10c73336127006740ae06003933
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SHA1
32ef06528018d4f9fc8da3a7e7e07363b3a143f4
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SHA256
b46624ea261bec807dc1f93431ab3156450646976443c27322a7a9c4eec5e5f0
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SHA512
026eb0e018f25449f664dbc2655cfb5c360fd60a928fec344bd31b3cefa01a3fcce4dd1fc87b3aabce7557db57cb1247a1984c69b3ecb00d83f388fd6b09a0ce
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SSDEEP
1536:4ig4nFL9z2BOwVCMs6se7llqn17KineXd2wVKtivEYoNRh8RX9EIKhI49No:5zFL9zWOw7sgbcUieNJqKoPC5+Lm
Malware Config
Extracted
xworm
5.0
109.231.31.129:2021
H7HNKbba3h7eEPOa
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Install_directory
%AppData%
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install_file
FlrefoxUpdate.exe
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 Firefox Installer (ratted).exe
Files
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Firefox Installer (ratted).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: 35KB - Virtual size: 35KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 133KB - Virtual size: 133KB
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