Behavioral task
behavioral1
Sample
af42b9f8eb0da4c057a209779e09c6fdd2c04a2a3481fa16f030b01528e3de5f_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
af42b9f8eb0da4c057a209779e09c6fdd2c04a2a3481fa16f030b01528e3de5f_JC.exe
Resource
win10v2004-20230915-en
General
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Target
af42b9f8eb0da4c057a209779e09c6fdd2c04a2a3481fa16f030b01528e3de5f_JC.exe
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Size
1.3MB
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MD5
4852c2cf9a8390b43162ddc6087bf235
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SHA1
e5d77f9d31da5433c5a033eb0a1a84436efd0f3d
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SHA256
af42b9f8eb0da4c057a209779e09c6fdd2c04a2a3481fa16f030b01528e3de5f
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SHA512
a74f6b91d6dc99e114954a3f2783e08292b899ba3da51f4078bc7d96578f90cd327e3af0240968aaf8c3733e70303555653a61b062b9826cafaf34efaa01ea48
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SSDEEP
24576:ljHPO2Okx2LF6jHPOnOkx2LFsJbKkKF/eMNPjd:lTG4QUTGHQc9KFeMP
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource af42b9f8eb0da4c057a209779e09c6fdd2c04a2a3481fa16f030b01528e3de5f_JC.exe unpack001/out.upx
Files
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af42b9f8eb0da4c057a209779e09c6fdd2c04a2a3481fa16f030b01528e3de5f_JC.exe.exe windows:5 windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 268KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 136KB - Virtual size: 140KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 133KB - Virtual size: 136KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows:5 windows x86
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 142KB - Virtual size: 141KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 62KB - Virtual size: 62KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 25KB - Virtual size: 32KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 132KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ