Behavioral task
behavioral1
Sample
keygen.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
keygen.exe
Resource
win10v2004-20240508-en
General
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Target
2cfaf02f77433067536b00b502afc743_JaffaCakes118
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Size
51KB
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MD5
2cfaf02f77433067536b00b502afc743
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SHA1
00abee33f1cdf6ff8e4c9307120b7ec856919e09
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SHA256
4df77777b5de2778ed24d6c42efc244ee35d2d012e72393601fd14b6cc996c74
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SHA512
bef7962d5b7d5a2ba0289c6fa348e5b4c36ff9e6f10670c0ed998d70fdf4ccbd17ec7998a948c39b0a806cd8bda66da77b6ceb6d7b74581af0821f7edf7f3b08
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SSDEEP
768:FYA8VQUgTAJkbmbiN6ubnkyYhH1mJ5ItLGZwpg3GfFXd55HWijeuyefRDvebtJ5:u6USAJo6OnksJqtKZgZTUgeuy8DWbtJ5
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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2cfaf02f77433067536b00b502afc743_JaffaCakes118.rar
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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: 116KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 46KB - Virtual size: 48KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
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: 64KB - Virtual size: 61KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 72KB - Virtual size: 70KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ