Behavioral task
behavioral1
Sample
fb731084768477a28c776c6d1500ac7ff8e918e8561f175f71b55361c594ce4a.exe
Resource
win7-20231129-en
General
-
Target
fb731084768477a28c776c6d1500ac7ff8e918e8561f175f71b55361c594ce4a
-
Size
29KB
-
MD5
cf99683eed9df19a7d297471d8ce789e
-
SHA1
b6a72907cd6d30d5a6aac3db7524800cb51aec40
-
SHA256
fb731084768477a28c776c6d1500ac7ff8e918e8561f175f71b55361c594ce4a
-
SHA512
faeea41e6e989915f7292f971f3b698a4cd0b58913617d0df379a168382b4b2946e5338514eea97914c0c92bad4e6950126f344ab653547dc586569c99d589fb
-
SSDEEP
384:s3B0sC8BsXLmOKVvVTfmkT/5gTnOVBU5r0HHjFYdOPvrTFwwwF:s3vsXavVTjT/5T40HHjFPTJwwwF
Malware Config
Signatures
-
Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule static1/unpack001/out.upx INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource fb731084768477a28c776c6d1500ac7ff8e918e8561f175f71b55361c594ce4a unpack001/out.upx
Files
-
fb731084768477a28c776c6d1500ac7ff8e918e8561f175f71b55361c594ce4a.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 52KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ