Behavioral task
behavioral1
Sample
81ca5dfc7480441fe9e0884bb334bf51_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
81ca5dfc7480441fe9e0884bb334bf51_JaffaCakes118
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Size
670KB
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MD5
81ca5dfc7480441fe9e0884bb334bf51
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SHA1
e54a1a5b29e2ee5db376d1b9fd3802c3ee0a6d8a
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SHA256
18cf7c2685cc70fcc7c9a503cf0aa79742427f12cebc581c3e0c9f996241caa8
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SHA512
eef4d34b826b20c118fd5e79dd87c2eb61a8b57dc31fb3769ab7368645ad881c215bc5d32ca8c63eddea466d30fb44380d25eee69ddd0a108ceb0f3f693f5726
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SSDEEP
12288:j+tQY3u4/30tqXRzueOPrWuZDoZH88fgKxNOMfA33sUKpfcsFmcyouSKhK6udcK5:jGQY+ttqXRNOPrWuOZHHfRXA33OpfPFz
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 81ca5dfc7480441fe9e0884bb334bf51_JaffaCakes118 unpack001/out.upx
Files
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81ca5dfc7480441fe9e0884bb334bf51_JaffaCakes118.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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.0MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 325KB - Virtual size: 328KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 344KB - Virtual size: 344KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 537KB - Virtual size: 537KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 91KB - Virtual size: 91KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 653KB - Virtual size: 652KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 29KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ