Behavioral task
behavioral1
Sample
brvpn.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
brvpn.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
win10v2004-20231215-en
General
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Target
54806920d236be56169aeed806d40943
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Size
479KB
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MD5
54806920d236be56169aeed806d40943
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SHA1
a022af36cbeffb2b96660307f5efb97523bbe8bb
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SHA256
015e5f4a5dafc72264174e231867fb85d5fc5ed24850b96b60977060b5a1156b
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SHA512
e5e57f72645c99eeaf3777f9c4d6fed8017700c24eea100ad80e2b5c8c21cef757e3847f766740f41ffb19017df48f7a59e32c6481754db31d03d013b085aba5
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SSDEEP
12288:TPOSOpQnF/f27C1AAWR+GSliaMUPUnOVPEwZii:yCQC1AzYGS4pUPUnOVPEfi
Malware Config
Signatures
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resource yara_rule static1/unpack001/brvpn.exe upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/brvpn.exe unpack002/out.upx
Files
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54806920d236be56169aeed806d40943.rar
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brvpn.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: 508KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 492KB - Virtual size: 496KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - 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_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
CODE Size: 772KB - Virtual size: 771KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
DATA Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: - Virtual size: 4KB
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: - Virtual size: 16B
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: 52KB - Virtual size: 51KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 121KB - Virtual size: 121KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url