Behavioral task
behavioral1
Sample
iecacheview/IECacheView.chm
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
iecacheview/IECacheView.chm
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
iecacheview/IECacheView.exe
Resource
win7-20240419-en
Behavioral task
behavioral4
Sample
iecacheview/IECacheView.exe
Resource
win10v2004-20240508-en
General
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Target
2259a37c0334f525ea3e871d06f26b3e_JaffaCakes118
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Size
47KB
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MD5
2259a37c0334f525ea3e871d06f26b3e
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SHA1
67dc7df800a670613b8cdde2badc748b2cc330bb
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SHA256
2cb4397e07a84ea679370698cd5211a9143572cf31aebebc0fe8fba31c90c298
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SHA512
e4bbf87ad9f78793538449b4505c280aa10f5a7e2227212f703c27a7bd303232f1af1cea415e0c6ed43b0f61f648b4441f4fa1b665c8aaf8978ce28f61a1f150
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SSDEEP
768:/gHYRfp+nXXrr1OM+w5Tan3ll/PGptsgkYh/LrE0+C64GFSu06hHkSujwfmLuRsd:/gHYREXXrrJWn3DnCR+CI0OEScgA
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/iecacheview/IECacheView.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/iecacheview/IECacheView.exe unpack002/out.upx
Files
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2259a37c0334f525ea3e871d06f26b3e_JaffaCakes118.rar
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iecacheview/IECacheView.chm.chm
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iecacheview/IECacheView.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 52KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 32KB - Virtual size: 32KB
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
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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_32BIT_MACHINE
Sections
.text Size: 44KB - Virtual size: 43KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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iecacheview/readme.txt