Behavioral task
behavioral1
Sample
2024-02-22_f573f84032d60d651cb51c8edd79e9b1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_f573f84032d60d651cb51c8edd79e9b1_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_f573f84032d60d651cb51c8edd79e9b1_cryptolocker
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Size
117KB
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MD5
f573f84032d60d651cb51c8edd79e9b1
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SHA1
d7931c5e4cca1cb78ba0fe39e59763f8a4a31a3e
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SHA256
fcd68ee11b8eeeec7da62a9b1437b39ee0fcf34c5c7cb1be18cfee093fe02284
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SHA512
d16d346a0a11d57aa5cd848da9a336a19a046a030f169130a99b5a990cd33c612930efe15c366e472a2b59682badb0cbc75c3912bf5f1a7af2a4e5ec92e63885
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp014:z6a+CdOOtEvwDpjczW
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 2024-02-22_f573f84032d60d651cb51c8edd79e9b1_cryptolocker
Files
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2024-02-22_f573f84032d60d651cb51c8edd79e9b1_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_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