Behavioral task
behavioral1
Sample
mspass.chm
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
mspass.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
mspass.exe
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
mspass.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
新云软件.url
Resource
win7-20240729-en
Behavioral task
behavioral6
Sample
新云软件.url
Resource
win10v2004-20240802-en
General
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Target
83ba02c59641d3dd639a62398677e191_JaffaCakes118
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Size
71KB
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MD5
83ba02c59641d3dd639a62398677e191
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SHA1
ea008f0e985f19403683f8958053011d0a46ef83
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SHA256
e0ec362f4e8bb86e5a6232a73c39d9b94abc679550421f1ac658c742a02048f1
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SHA512
5373f0fdec81adb8ae5f0b2bdebdf3f3466dd4f447b773b2614bda32be0bda87d162e81bec65e69ff30bb2f34b3df99b4962fa4aa8817aa046ad4150c6ef3891
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SSDEEP
1536:ZOh/N8Dn5YLafiZIY50GMjDXXNqQAmpMNW+pmuLZuvyYI8G1PD:s18Dn5+aKR5079Z+W+vwNK
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/mspass.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/mspass.exe unpack002/out.upx
Files
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83ba02c59641d3dd639a62398677e191_JaffaCakes118.rar
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mspass.chm.chm
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mspass.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: 80KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 59KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - 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: 76KB - Virtual size: 76KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 11KB - Virtual size: 15KB
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
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新云软件.url.url