Behavioral task
behavioral1
Sample
2024-01-25_34765639663dae8ed1e38a15134a0988_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_34765639663dae8ed1e38a15134a0988_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_34765639663dae8ed1e38a15134a0988_cryptolocker
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Size
127KB
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MD5
34765639663dae8ed1e38a15134a0988
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SHA1
bc89707e5f52efef253ae06653f3e30c456f244b
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SHA256
0102f35f996b6e299219d5f0f108b1d0003273b67d0f05da87179b09b9869288
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SHA512
b04572cb6062370ac7d276a9c952957a178d979bb86021caf264109bbd2fe96872590507ae6b39870088ec32189c6f2603524646655d093d10ac156070c6788c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp699GNtL1ev:AnBdOOtEvwDpj6zF
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-01-25_34765639663dae8ed1e38a15134a0988_cryptolocker unpack001/out.upx
Files
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2024-01-25_34765639663dae8ed1e38a15134a0988_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
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 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
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