Static task
static1
Behavioral task
behavioral1
Sample
EXEShiveV1.1/EXEShive.chm
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
EXEShiveV1.1/EXEShive.chm
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
EXEShiveV1.1/EXEShive.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
EXEShiveV1.1/EXEShive.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
EXEShiveV1.1/UltraUPX.exe
Resource
win7-20240708-en
Behavioral task
behavioral6
Sample
EXEShiveV1.1/UltraUPX.exe
Resource
win10v2004-20240709-en
General
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Target
320469d44f843ea1423df3744d905b07_JaffaCakes118
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Size
797KB
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MD5
320469d44f843ea1423df3744d905b07
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SHA1
5a5afed91366bf3609e869acfa1c72a7873bc41d
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SHA256
d40772ff3c2b24da3afa9498a5c821a3c1132a429ad32e0b175516f266b507c3
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SHA512
193bd2060acd15225d4906287d26118b2bab45ebcc018ccffcddbbdc45284f832a868177a1453de69bea977e7657b9865bc705f4d66a1065c9e2e2b2095cbb0d
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SSDEEP
12288:/BlIsMoqklc226nbNPLHga3kMpo3VaVV5sUiyFF/iRzzUdb7HDuR1SWzKMi:ZMoHl86tF3zmlS5sEFu/UdPHod6
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 static1/unpack001/EXEShiveV1.1/UltraUPX.EXE patched_upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/EXEShiveV1.1/EXEShive.exe unpack001/EXEShiveV1.1/UltraUPX.EXE
Files
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320469d44f843ea1423df3744d905b07_JaffaCakes118.rar
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EXEShiveV1.1/EXEShive.chm.chm
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EXEShiveV1.1/EXEShive.exe.exe windows:5 windows x86 arch:x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
Size: - Virtual size: 260KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
Size: 401KB - Virtual size: 404KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ESV Size: 2KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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EXEShiveV1.1/UltraUPX.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
IMAGE_FILE_DEBUG_STRIPPED
Sections
.text Size: 503KB - Virtual size: 502KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 832B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 963KB - Virtual size: 962KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.bss Size: - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE