Behavioral task
behavioral1
Sample
NEAS.2023-09-05_f448ca0e9baf001b1b821257504fddec_cryptolocker_JC.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
NEAS.2023-09-05_f448ca0e9baf001b1b821257504fddec_cryptolocker_JC.exe
Resource
win10v2004-20231020-en
General
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Target
NEAS.2023-09-05_f448ca0e9baf001b1b821257504fddec_cryptolocker_JC.exe
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Size
89KB
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MD5
f448ca0e9baf001b1b821257504fddec
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SHA1
2d2fdf90202c13457db34c55721694c015c635f7
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SHA256
57d35b12e13aedd5564d6839738dfa8018923e22c3625aca64e9a20a46b57755
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SHA512
72dae07db3903c72743775be11ca5a0c01a498c12e2459508e27ae13ab7e03575065c0ceb88c23485d6211414791584793c5967ba6fba0232bcaed421b23bcf5
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp0V:AnBdOOtEvwDpj6z9
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource NEAS.2023-09-05_f448ca0e9baf001b1b821257504fddec_cryptolocker_JC.exe unpack001/out.upx
Files
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NEAS.2023-09-05_f448ca0e9baf001b1b821257504fddec_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