Behavioral task
behavioral1
Sample
OperaPassView.chm
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
OperaPassView.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
OperaPassView.exe
Resource
win7-20240903-en
General
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Target
ea9cf7029e654144a3601a01a1684648_JaffaCakes118
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Size
43KB
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MD5
ea9cf7029e654144a3601a01a1684648
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SHA1
34102c2948e4c34f15490a9423b68b868198b1b3
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SHA256
1be009a5dfba5815288ad6b2aa9393b28a0e6c40d37bfc23a18960145ae488b4
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SHA512
0e63b2318f3cc520bf1e58c2b457f10293df47b9040f2b226370f39e5177f556250684760fc0506516014638f2836a8745dd06f59f5ffebec4c8f3c96e8b698d
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SSDEEP
768:JLXMHmIbDtkzWvep7Kmi+n+QBXAv4ICjbnyukiJdhC4WcCFvXxeXrxIc:VMHmI3lva7Ti3QsoPnjRTkBsxH
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/OperaPassView.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/OperaPassView.exe unpack002/out.upx
Files
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ea9cf7029e654144a3601a01a1684648_JaffaCakes118.zip
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OperaPassView.chm.chm
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OperaPassView.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: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 6KB - 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: 43KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 15KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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readme.txt