Behavioral task
behavioral1
Sample
2024-04-10_bf73b4a2912e56c9c94fd3173eceb9d9_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-10_bf73b4a2912e56c9c94fd3173eceb9d9_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-10_bf73b4a2912e56c9c94fd3173eceb9d9_cryptolocker
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Size
84KB
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MD5
bf73b4a2912e56c9c94fd3173eceb9d9
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SHA1
dcc3f57c08bcb9271347d3d8ad24d69252415661
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SHA256
0f8a53f66f8683f79f70f1ea23b1967d62b1cc90de9c51da46ac41a3faaf6b36
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SHA512
624884d38c5c4d329ee8e540ed076a36d68e010890f97519e1ae3df8c72d5ef0c4ef94be840a4e6912060e25f1cdc44a3a1bd6fe44b08b5de4c8ea89778ae56e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rk:T6a+rdOOtEvwDpjNZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-04-10_bf73b4a2912e56c9c94fd3173eceb9d9_cryptolocker
Files
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2024-04-10_bf73b4a2912e56c9c94fd3173eceb9d9_cryptolocker.exe windows:5 windows x86 arch: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
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE