Behavioral task
behavioral1
Sample
2023-08-26_864794ce83cbd49e0b204fabc2254e50_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-26_864794ce83cbd49e0b204fabc2254e50_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-26_864794ce83cbd49e0b204fabc2254e50_cryptolocker_JC.exe
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Size
88KB
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MD5
864794ce83cbd49e0b204fabc2254e50
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SHA1
00a9b2bdd7a6ae29a3ff57f611175a8f7032106d
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SHA256
beb84e33a32abbf6945b404ec5de63a56eddfa789280ec91ddedcd6a1b40f358
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SHA512
2b2ff7e76c385ef2fd9fb5726dbaaee4a243b7136debea026aab8471fcbc90b937b572bdcb34b2ada7c851a27316290a7be1d759a558993ef19d8e3c04f51a15
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp2:AnBdOOtEvwDpj6zB
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_864794ce83cbd49e0b204fabc2254e50_cryptolocker_JC.exe unpack001/out.upx
Files
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2023-08-26_864794ce83cbd49e0b204fabc2254e50_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