Behavioral task
behavioral1
Sample
b85588fb4c8b2dea0125f62c771371b0_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
b85588fb4c8b2dea0125f62c771371b0_JC.exe
Resource
win10v2004-20230915-en
General
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Target
b85588fb4c8b2dea0125f62c771371b0_JC.exe
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Size
47KB
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MD5
b85588fb4c8b2dea0125f62c771371b0
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SHA1
29d309363377dd159d5836882a22325e86c0cf91
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SHA256
a7fb21c7459f6d6366fff3719a91acee8edd49edce581da98d113836dd8ac515
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SHA512
61b57cd8283217a0637cb8441cd6cd25e56adad1dcfe17d240e3f146eb3d8b52602796b14e82358fadfee26f07b506eac6c74c6448d3e04b3b4bc06fe5378274
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SSDEEP
768:I0bqf77igvtYaeSnnSyVi1joFwSG21HI8oYdLEJy+oFofedED4q3:I0bqf77ig1Y3USyVxi0phxuyNYeJq3
Malware Config
Extracted
metasploit
encoder/shikata_ga_nai
Extracted
metasploit
windows/reverse_tcp
164.155.208.137:6666
Signatures
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Metasploit family
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource b85588fb4c8b2dea0125f62c771371b0_JC.exe unpack001/out.upx
Files
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b85588fb4c8b2dea0125f62c771371b0_JC.exe.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
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: 44KB - Virtual size: 44KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:4 windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 44KB - Virtual size: 42KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ