Behavioral task
behavioral1
Sample
054543984f834f181499066d3c18824df4989639f84a7dbb639ae5b0728a1f4e.exe
Resource
win7-20240221-en
General
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Target
054543984f834f181499066d3c18824df4989639f84a7dbb639ae5b0728a1f4e
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Size
14KB
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MD5
ffe21312cc40dd88490407e72ca76bd0
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SHA1
ff3f00c2cff39924586145c80ea81b958e8e5e5a
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SHA256
054543984f834f181499066d3c18824df4989639f84a7dbb639ae5b0728a1f4e
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SHA512
b93b55fa2968853ea65cc2aa29118a3d6bf55ab50d9abcdfc6ce92ce576dd55edfd9b6ba278384f491542f1ddca1d49671dfc3b922d20bbc0fe0c20b5a90ccf0
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SSDEEP
384:IO3qdXlIQV0YXd45xuYiMcRWnPbeVGWLG:IO3EVdV0YXd4DuicNV3q
Malware Config
Signatures
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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 054543984f834f181499066d3c18824df4989639f84a7dbb639ae5b0728a1f4e unpack001/out.upx
Files
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054543984f834f181499066d3c18824df4989639f84a7dbb639ae5b0728a1f4e.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: 60KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
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_32BIT_MACHINE
Sections
.text Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 24KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.htext Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE