Behavioral task
behavioral1
Sample
wul.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
wul.exe
Resource
win10v2004-20240709-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20240705-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20240709-en
General
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Target
a4afc50e0d0fb497f27c4325d5564dc17c3d2151fe6d7c5f0c66e9abef38efa3
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Size
30KB
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MD5
337a6d858998c4642fd66cc8e51d41e9
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SHA1
0b4b88acc48401b1b4fe0ac891c20888f4f9ed39
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SHA256
a4afc50e0d0fb497f27c4325d5564dc17c3d2151fe6d7c5f0c66e9abef38efa3
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SHA512
1d645df7560286dc317feeb4ed5e2c7339176cef296964dbdb05818fbdfb8f4532e561eb61e5f1f86d93b6db2914b65072946ec728753bcb1ae5b3ebf8996c33
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SSDEEP
768:16HAOF6TtdnI0t1O3sUz3Ka1n2yIGF2WBO:16J6BdHHOHz6a1ndF2MO
Malware Config
Signatures
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Nirsoft 1 IoCs
resource yara_rule static1/unpack002/out.upx Nirsoft -
resource yara_rule static1/unpack001/wul.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/wul.exe unpack002/out.upx
Files
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a4afc50e0d0fb497f27c4325d5564dc17c3d2151fe6d7c5f0c66e9abef38efa3.rar
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wul.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: 48KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 27KB - Virtual size: 28KB
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: 38KB - Virtual size: 37KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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wul_lng.ini
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新云软件.url.url