Behavioral task
behavioral1
Sample
Office-2013-2021-C2R-Install-7.4.9.1-b03-x64-CN.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Office-2013-2021-C2R-Install-7.4.9.1-b03-x64-CN.exe
Resource
win10v2004-20231020-en
General
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Target
Office-2013-2021-C2R-Install-7.4.9.1-b03-x64-CN.exe
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Size
11.0MB
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MD5
1f97fdb66a0d4e00db0d9166f2a08e6e
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SHA1
aacf676e38b23331b5897e46b781cbb35dac4587
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SHA256
943e8d0474efd9d1f67566b513081f501690beff647d112b8cdd745497dcc30b
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SHA512
0316828e5e9db6b9c83e538bcf484980ab37327fa859af0e5addb0114843e88c6143bf429b69a76c9fb3e0d7cd4e6ea1ede6b7b764b9be85cd393033b04f537c
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SSDEEP
196608:KGCw3aSSuI8gUayRV031eED2xB+R7VjTPJwzOzKNjxpvYJ+KHLVV+IiM:KXw3q8gYk1eEDUgVjTPsOOvYsKL+vM
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource Office-2013-2021-C2R-Install-7.4.9.1-b03-x64-CN.exe unpack001/out.upx
Files
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Office-2013-2021-C2R-Install-7.4.9.1-b03-x64-CN.exe.exe windows:4 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
UPX0 Size: - Virtual size: 136KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 81KB - Virtual size: 84KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 12KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x64 arch:x64
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Sections
.text Size: 139KB - Virtual size: 139KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 25KB - Virtual size: 24KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 8KB - Virtual size: 7KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 12KB - Virtual size: 11KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ