Behavioral task
behavioral1
Sample
smsniff.chm
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
smsniff.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
smsniff.exe
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
smsniff.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
新云软件.url
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
新云软件.url
Resource
win10v2004-20240802-en
General
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Target
b8cf639064884ef2b965530d8241a0be_JaffaCakes118
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Size
62KB
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MD5
b8cf639064884ef2b965530d8241a0be
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SHA1
66de0b6c1ba1b216719e1c121c4a61e47f5fb3ac
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SHA256
f52abeb042b2f4e03f086ac3f3e5b44a93ff345120d23b95fdd691bd9c2335bd
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SHA512
f23b4da5bea7482a3275c4cabefcb59e5e1b1450d008510d81e7aaa1cb7d9dcb65e02830abadf809eb36a129fb0d36ebc22bfab5d7b0bd028c47a0f5ad464d0a
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SSDEEP
1536:YPOUMyFod/T6VSTdlBIXDYCT5KfROJ6cXObU/QKQKc+8qAWKD:OOUMy4/TuSTLByDYoAfRFwObC1+
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/smsniff.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/smsniff.exe unpack002/out.upx
Files
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b8cf639064884ef2b965530d8241a0be_JaffaCakes118.rar
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readme.txt
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smsniff.chm.chm
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smsniff.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: 72KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 45KB - Virtual size: 48KB
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: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 9KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 22KB - Virtual size: 22KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url