Behavioral task
behavioral1
Sample
2024-01-23_4921bd10da32eb662943ebb719200869_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-23_4921bd10da32eb662943ebb719200869_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-23_4921bd10da32eb662943ebb719200869_cryptolocker
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Size
74KB
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MD5
4921bd10da32eb662943ebb719200869
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SHA1
5f8596e6f9eaa055d2512606d6cb0dfd69c0cc1b
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SHA256
aae02b3a6e85be67a6f8fc5881e3ccafc8ef21e5fa7264f8d7b0db0515c97c1b
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SHA512
5871589e45275a48a2701c108a65065876ed18ef3a215fc24bf340033bcac2d2de690abe6113b0b80084f171fb79820fe486f9d5d85b6bf24c0e5f27f5440b4c
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx47:T6a+rdOOtEvwDpjNtHPT
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 2024-01-23_4921bd10da32eb662943ebb719200869_cryptolocker
Files
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2024-01-23_4921bd10da32eb662943ebb719200869_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