Behavioral task
behavioral1
Sample
efsm510.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
efsm510.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20231222-en
General
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Target
47bc530cc18eb3855c35267250c3a2fc
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Size
975KB
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MD5
47bc530cc18eb3855c35267250c3a2fc
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SHA1
4481df8eb78cfaafe9ec6dd7d37c31ec456c1750
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SHA256
5a0fc42a0b098519a063049b2de410f9ce6861ad20e46a8345541ab37314262f
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SHA512
e29f7fa802835ed4b8f637c1bc37790f9a09d5be158d63395955bfee03eb9122b1bcd93bbbcfe86df6e6e3e62da31bfe296cf08d2380400258393f0ce0df359f
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SSDEEP
24576:0jxhudpTRKZXJoqU469wS0BsnE/nxgLYM:0jxhiTRKZXJg9L0bY
Malware Config
Signatures
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resource yara_rule static1/unpack001/efsm510.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/efsm510.exe unpack002/out.upx
Files
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47bc530cc18eb3855c35267250c3a2fc.rar
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efsm510.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: 76KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 35KB - Virtual size: 36KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - 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_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 64KB - Virtual size: 61KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 8KB - Virtual size: 5KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url