Behavioral task
behavioral1
Sample
keygen.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
keygen.exe
Resource
win10v2004-20240426-en
General
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Target
177871497d963f372855e4d2f8887c72_JaffaCakes118
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Size
24KB
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MD5
177871497d963f372855e4d2f8887c72
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SHA1
24d5c9caa97ebda3bfebe86a12530454d22f36db
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SHA256
fafe4b91330b2edbc832b77cf4376ccf4e9a5c14ea061cb81b063d7ae064dc8e
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SHA512
425c7f1447c4ac7bfe533648d7215379671a38a79ab190548c7741bad53fae164b6c3ff596fdeaa830b71ac4970c7d45b233e90bac099bcb238861cb80f140bc
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SSDEEP
768:GY3hpso0qWAXzSupUh6w0orFp7ebAkIaZ:HhpPWxupUEkrne8c
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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177871497d963f372855e4d2f8887c72_JaffaCakes118.zip
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FFF.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: 40KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 18KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - 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: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 468B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 33KB - Virtual size: 33KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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keygen.nfo