Behavioral task
behavioral1
Sample
keygen.exe
Resource
win7-20240705-en
General
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Target
83237beb06bf99c5f7839267c1115277_JaffaCakes118
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Size
119KB
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MD5
83237beb06bf99c5f7839267c1115277
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SHA1
38148610ebe5c96caecb875cc251565583b48024
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SHA256
5bb40d34b78cc75760b37c16f8fef79cc19607f9c4991d5ed32c7a7a3c3dc37b
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SHA512
e7d1e5bffc4108e9d313cad924ff368b9238e1b985fad7c26c40ece48ca519421f5949570560da92a67a59ee3bdfb6a43395b0c804a56220339cae20bf904624
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SSDEEP
3072:fLgMTk8dA04FGAXa5OXxOqEK2BXVpoJQhTgtmMNmxIPYtJLN7:DgEapjK5O8q/OPoJQhMtmMN/YtJF
Malware Config
Signatures
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resource yara_rule static1/unpack001/keygen.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/keygen.exe unpack002/out.upx
Files
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83237beb06bf99c5f7839267c1115277_JaffaCakes118.zip
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embrace.nfo
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file_id.diz
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keygen.exe.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: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 112KB - Virtual size: 116KB
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
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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: 21KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 96KB - Virtual size: 95KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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keygen.nfo