Behavioral task
behavioral1
Sample
efcw680.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
efcw680.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20240412-en
General
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Target
f794a7a624f63aa8d12bb38e20c864ce_JaffaCakes118
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Size
5.5MB
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MD5
f794a7a624f63aa8d12bb38e20c864ce
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SHA1
d04f4204f7e266fbcb2ef7eb79df26989440740a
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SHA256
4af21202e1ff48c3c17b45a067f991a0dc6a2a397b76ac33cb26baa814c21cb0
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SHA512
8f03fdcf0759e23c0099eb47e6a4e9de71f4229ba020c010ef0c71301286a1b47f99c2dec851338edd52145a4c8ec2e250e72ad5ff879d233360dad3ecce37dd
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SSDEEP
98304:N954lhBDHJ002amGa0P4MmUzNQTVw4dUC1t5ugityeQtoyW1EQcAHEi:azNHJXtx5zNQ5pUC1Wg/eQtoZZL
Malware Config
Signatures
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resource yara_rule static1/unpack001/efcw680.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/efcw680.exe unpack002/out.upx
Files
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f794a7a624f63aa8d12bb38e20c864ce_JaffaCakes118.rar
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efcw680.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: 76KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 35KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - 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: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url