Behavioral task
behavioral1
Sample
serviwin.chm
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
serviwin.chm
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
serviwin.exe
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
serviwin.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral5
Sample
新云软件.url
Resource
win7-20240705-en
Behavioral task
behavioral6
Sample
新云软件.url
Resource
win10v2004-20240709-en
General
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Target
4acc3997d90c1bd1118aa9c336db7aa0_JaffaCakes118
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Size
39KB
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MD5
4acc3997d90c1bd1118aa9c336db7aa0
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SHA1
0d265d1d8a3f63d54ab3f26d95198638627841c7
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SHA256
04e1b3727a8ae621b6ec3ac90fa3093f615c88887fa8bfb68a458c45b34d256e
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SHA512
9c18d71d138c2e63110934e55b8cfa3ed6bd30c75bd30fbb9ef8df2a03dca69e28ae79c9b5b036d18afbb529902c50bd8159430ebbab6d1706ffedc66fa2d115
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SSDEEP
768:nhRKiB+VmLT8FLNl9jdK6YcQgD+ZKvIwclWzTTqbnX7nIfn17lbGgGU:hRKe60Ap9AijQKEnIf/CDU
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/serviwin.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/serviwin.exe unpack002/out.upx
Files
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4acc3997d90c1bd1118aa9c336db7aa0_JaffaCakes118.rar
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readme.txt
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serviwin.chm.chm
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serviwin.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 56KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 26KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 5KB - 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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 37KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 5KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url