Static task
static1
Behavioral task
behavioral1
Sample
Returnil2008C.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
Returnil2008C.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
552653a8d5794e537b9fbb953c50d4a2
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Size
1.9MB
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MD5
552653a8d5794e537b9fbb953c50d4a2
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SHA1
8ad9ea42806882e2d2aebec760a1ebc5ac9a90a1
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SHA256
9c7177a942e767edd6a9b2cc7140413ab5219eecee6529f482ab4beba859731b
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SHA512
4e5ee21e58abe079efcd7de9636c40a66688b8b38e311bbd484f11069ecc5dcb77f80fa1cac2ceb15b84da0e246f603336b7cf754b5f5e463d4558482b97ff41
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SSDEEP
49152:9VkcislVtlYawgR9sYgbFSgSeYbXGNAMX7zSSfxRRLGa72KEZpZP:9VosTJQYgwnbXC7Jtb7q
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Returnil2008C.exe
Files
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552653a8d5794e537b9fbb953c50d4a2.rar
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Returnil2008C.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
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: 920KB - Virtual size: 920KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
DATA Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
BSS Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 16KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.tls Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 60KB - Virtual size: 60KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3.7MB - Virtual size: 3.7MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.bbb Size: 32KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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新云软件.url.url