Behavioral task
behavioral1
Sample
2024-03-06_dd8ffac8a961da5760049594fc2388b4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-06_dd8ffac8a961da5760049594fc2388b4_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-06_dd8ffac8a961da5760049594fc2388b4_cryptolocker
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Size
81KB
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MD5
dd8ffac8a961da5760049594fc2388b4
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SHA1
e671c195f1249703e04fec9511e9fe35df1be033
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SHA256
7a1cdf72631e28609d1595d18119d8ef81d3eba7d739251c928474dd613403c3
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SHA512
7b56ca6f00c95846b0fa38de7639a3bc5beddd3e1411e6ba03e6e545c6657f3e9480b13ec76db61ad695630e922285c8245d6033960a5d8867f530974c803443
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1s:zCsanOtEvwDpjC
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 2024-03-06_dd8ffac8a961da5760049594fc2388b4_cryptolocker
Files
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2024-03-06_dd8ffac8a961da5760049594fc2388b4_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