Behavioral task
behavioral1
Sample
2023-08-26_b6a1f30e5bc2e98fe8ef64d94ec519e3_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_b6a1f30e5bc2e98fe8ef64d94ec519e3_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_b6a1f30e5bc2e98fe8ef64d94ec519e3_cryptolocker_JC.exe
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Size
31KB
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MD5
b6a1f30e5bc2e98fe8ef64d94ec519e3
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SHA1
55380c582fb2bdbf04e3589ed257dbc51aa8d25e
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SHA256
3f4672f3eac6d4975f502b2a629dd82b5c04c065052796ad3a112749b94d2fd8
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SHA512
f3b9fef38992aeb92ff62df6944801da119e2abb0016ffacd3dbea0804ccff7cd1d1893010498dc0cdaceaf0b6f0268bd029924d4e5c03ff8714849f2bea2eda
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5axcZ:qUmnpomddpMOtEvwDpjjaYaU
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2023-08-26_b6a1f30e5bc2e98fe8ef64d94ec519e3_cryptolocker_JC.exe unpack001/out.upx
Files
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2023-08-26_b6a1f30e5bc2e98fe8ef64d94ec519e3_cryptolocker_JC.exe.exe windows:5 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: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
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
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: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ