Static task
static1
Behavioral task
behavioral1
Sample
wfserver.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
wfserver.exe
Resource
win10v2004-20240221-en
General
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Target
wfserver.exe
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Size
7.0MB
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MD5
4ae1c0dcb0b0d44beef1271c862bd599
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SHA1
95222f50ca70d7f962482e7477bedd7e033e3e87
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SHA256
0fbeee05ead66f88ae9d12fa37a60f8debe0e0a0340887962ecff3c7b402fd70
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SHA512
5a9c11f5a4f234bbed67f001b71710eedde83c5ba2304c14939b8e2df5e6af8591ec6c05af209acb618313bac715530e1bf74c9dee05fa0eb98b292acbfef376
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SSDEEP
196608:whSgQWuKcuYG7LD3hTZj934SegFCDDBajLwH:w0/WuKcu1Pj5F9feDBGLe
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource wfserver.exe
Files
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wfserver.exe.exe windows:5 windows x86 arch:x86
2eabe9054cad5152567f0699947a2c5b
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
lstrcpy
Sections
Size: 1.0MB - Virtual size: 6.1MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1.2MB - Virtual size: 2.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 512B - Virtual size: 6.8MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
bhhtfivq Size: 4.7MB - Virtual size: 4.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
yrzekiix Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.taggant Size: 12KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE