Behavioral task
behavioral1
Sample
4dc8bf51f134128f6ca8a9a89873af25.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
4dc8bf51f134128f6ca8a9a89873af25.exe
Resource
win10v2004-20231215-en
General
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Target
4dc8bf51f134128f6ca8a9a89873af25
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Size
205KB
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MD5
4dc8bf51f134128f6ca8a9a89873af25
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SHA1
8bf42d8ffbcac1bbf444c00ba1bdbbb3d6a48a05
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SHA256
6cf9b01474100b9a6f2f8fc6293f4a1cd2446ce19bfec7b50d890405af6f486d
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SHA512
c406afb1f27f2d34352218dfde55aa24dbe1e8faf824efdea31a41811d79327d2f48c89d50a928466e8c71789c31df87aa600d2108222e92d88f2640c0e01306
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SSDEEP
6144:d1uOqy+3gOqjsEYSIWyGFBVHeE9XfZ3hwfXD:d1uOqy+UgtS9FVHvvZ+fXD
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 4dc8bf51f134128f6ca8a9a89873af25 unpack001/out.upx
Files
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4dc8bf51f134128f6ca8a9a89873af25.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 356KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 190KB - Virtual size: 192KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 14KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 425KB - Virtual size: 424KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 3KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 37KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ