Behavioral task
behavioral1
Sample
3a109a3d307e07b3d49b23d06abfa98f.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
3a109a3d307e07b3d49b23d06abfa98f.exe
Resource
win10v2004-20231215-en
General
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Target
3a109a3d307e07b3d49b23d06abfa98f
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Size
230KB
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MD5
3a109a3d307e07b3d49b23d06abfa98f
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SHA1
037e2df7dbc65f4a17f76ea1011cbb81b00f41ad
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SHA256
e581001aa1b63a3d6aa6e98d76d4129d56c008e779335ba364fc86e285a70bec
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SHA512
8d30e3840c0d0763ae486c344e33a46632d2d9b82ed2eb4696cb8bd97fc132bec282b2ad9026d365a746a551a2371adb3c010d76f617a0eeba280f621f6bba7a
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SSDEEP
1536:5krexw4G/jcZVLyI8ddk2ujUPWXxpsU44fnIvJwD74OZGCozdhQPsal3gUMDvVdl:5Lx1HLX6JaxOU4ecSNWss71hlz4V+
Malware Config
Signatures
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Patched UPX-packed file 1 IoCs
Sample is packed with UPX but required header fields are zeroed out to prevent unpacking with the default UPX tool.
resource yara_rule sample patched_upx -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3a109a3d307e07b3d49b23d06abfa98f
Files
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3a109a3d307e07b3d49b23d06abfa98f.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 124KB - Virtual size: 124KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 85KB - Virtual size: 88KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 20KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE