Behavioral task
behavioral1
Sample
37e622b8d61395829d93d4f69dc52f79.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
37e622b8d61395829d93d4f69dc52f79.exe
Resource
win10v2004-20231222-en
General
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Target
37e622b8d61395829d93d4f69dc52f79
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Size
3.6MB
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MD5
37e622b8d61395829d93d4f69dc52f79
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SHA1
534c7c9bdbfdcad3636722f045eb5cdc54768f1b
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SHA256
80eaaf747354a2667c8ddae621eca68223a417af6c2988d477f46a4dc08bd077
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SHA512
9bde34c38d2239380f4d88be84f1f2a41219a326af8d4c3cd0e7c6d8e747197a0599cfd780570134763c31464dd959c76df1e8fdb2628d0d246fb807efbf65f5
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SSDEEP
98304:S/aj+kCZuZlepw8sV2V4qnstLEjqnstLE7:qE+kCZuZlQLsV2V4qnhjqnh7
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 37e622b8d61395829d93d4f69dc52f79
Files
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37e622b8d61395829d93d4f69dc52f79.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 1.3MB - Virtual size: 1.3MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 296KB - Virtual size: 296KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE