Behavioral task
behavioral1
Sample
ChromeCacheView.chm
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ChromeCacheView.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
ChromeCacheView.exe
Resource
win7-20240704-en
General
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Target
chromecacheview.zip
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Size
255KB
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MD5
8db8c66f62372b5af5f144f7614ea95c
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SHA1
abc6b3907327a3b7daa008008d66498296c74342
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SHA256
b9240729c1cae944d2b3891ff5fbbc5babeb9f3a3884ec37a36d90fee70a64b0
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SHA512
860c01fdbc573f23c13135c6795b410c2a01fe9bd2394eb3679a9de9ae428ce7d805b62fb4ce158f1d705fd9e1323fe860830431b503229df57829bb87a6faba
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SSDEEP
6144:GibtBG+lWJD6WEhutXTCh1RUkaaaHVIWIQDOfzcfeIcRUN4:GoMD6WN1T0d2r8cfeIcRV
Malware Config
Signatures
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Detected Nirsoft tools 1 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/ChromeCacheView.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/ChromeCacheView.exe unpack002/out.upx
Files
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chromecacheview.zip.zip
Password: infected
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ChromeCacheView.chm.chm
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ChromeCacheView.exe.exe windows:4 windows x86 arch:x86
Password: infected
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 324KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 238KB - Virtual size: 240KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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_32BIT_MACHINE
Sections
.text Size: 325KB - Virtual size: 325KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 164KB - Virtual size: 164KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 7KB - Virtual size: 31KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 21KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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readme.txt