Behavioral task
behavioral1
Sample
wmzopt203.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
wmzopt203.exe
Resource
win10v2004-20240221-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20240221-en
General
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Target
a44878a44a20ccd1b7f885c21399cc16
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Size
6.3MB
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MD5
a44878a44a20ccd1b7f885c21399cc16
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SHA1
c30cca82380207f246f82b122ecff99d6fa1c5f3
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SHA256
0b5729787286e32cfc301af75b19d40362b7378815d2001c3a12886e14152615
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SHA512
6fbd4955d4c67beda04a0d6a778c5133630b4c9cc1fdb6edc738ad5730cdd8bd73a98bd587ba95994aeeaf49a996e65583e8c4357fc2917a96798718884a6c62
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SSDEEP
196608:v0O7fmylGNnG+awgt9SKTaPo/02Ep8tS3pWPnur/EJ:v0O7fmy8awYbTao/B3S3sP0i
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/wmzopt203.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/wmzopt203.exe unpack002/out.upx
Files
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a44878a44a20ccd1b7f885c21399cc16.rar
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wmzopt203.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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
UPX0 Size: - Virtual size: 12.4MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 6.4MB - Virtual size: 6.4MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 39KB - Virtual size: 40KB
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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 1.5MB - Virtual size: 1.5MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 25KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 55KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 13KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 64B
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 512B - Virtual size: 24B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 94KB - Virtual size: 93KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 17.0MB - Virtual size: 17.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url