Behavioral task
behavioral1
Sample
netresview/NetResView.chm
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
netresview/NetResView.chm
Resource
win10v2004-20240611-en
Behavioral task
behavioral3
Sample
netresview/NetResView.exe
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
netresview/NetResView.exe
Resource
win10v2004-20240508-en
General
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Target
1b90702c3b55a216e141a1b0a9198e6f_JaffaCakes118
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Size
42KB
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MD5
1b90702c3b55a216e141a1b0a9198e6f
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SHA1
3ac2bb18c6e71b17352bd4c54171711d14018ed1
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SHA256
ff6d02318eb195d80b8733980924a4f864cac3798b7a9300f90d9cca3583ca39
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SHA512
bc6159c2ea084d9d4f74f98ff26f8396f4d68bea617d25d7f7f77ab40b380eba847d0cc1f8a11a7d639a94c25fef3867440f526654ce3375370a7bedab729114
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SSDEEP
768:bWNvQYEGVtDCqiA5cV2aXstjEFcWWM4L0Oxru59/S2IrO08vtvXA:CdQYzzVc/8NuHOc1IRGtvQ
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/netresview/NetResView.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/netresview/NetResView.exe unpack002/out.upx
Files
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1b90702c3b55a216e141a1b0a9198e6f_JaffaCakes118.rar
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netresview/NetResView.chm.chm
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netresview/NetResView.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: 48KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 29KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 16KB
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: 39KB - Virtual size: 38KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 7KB
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: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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netresview/readme.txt