Behavioral task
behavioral1
Sample
b81f9a0e8cb1e4e693b3bced27d58d40.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b81f9a0e8cb1e4e693b3bced27d58d40.exe
Resource
win10v2004-20240226-en
General
-
Target
b81f9a0e8cb1e4e693b3bced27d58d40
-
Size
99KB
-
MD5
b81f9a0e8cb1e4e693b3bced27d58d40
-
SHA1
49506a1ee8579857ffffcba41cd09cfcf8a78d2f
-
SHA256
55f13f01899910b26332a9ed35daa0a7f8e1e89ec0220313d217ef2c29f737b9
-
SHA512
e5a2ef50d0f743502856dda254fe88e3fcadd6b8ccabc257f79805b14e5f735e43bec15bf96bd53d46068a7cb25fb917ff95cf1f2d1fa6d4c45578fc76d26c00
-
SSDEEP
3072:0wi089AvUB1LZPE1AAQvCTjE/j15AY41C:40wB1LlyVb+15AYF
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b81f9a0e8cb1e4e693b3bced27d58d40 unpack001/out.upx
Files
-
b81f9a0e8cb1e4e693b3bced27d58d40.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 148KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 88KB - Virtual size: 92KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - 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_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 200KB - Virtual size: 199KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 13B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 1024B - Virtual size: 544B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 152B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ