Behavioral task
behavioral1
Sample
2024-02-04_1899e5a458d1084f97ebb823128a978e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_1899e5a458d1084f97ebb823128a978e_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-04_1899e5a458d1084f97ebb823128a978e_cryptolocker
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Size
81KB
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MD5
1899e5a458d1084f97ebb823128a978e
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SHA1
e8acbb1dd90e27d96591d3259709909b99328deb
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SHA256
231cfdb7d0fd4d9483a9a651717dbf49e152629e19c496fb98fb2d5d693458ab
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SHA512
3e243da1c68189aae0938504504dd79499dd7dc1cf17031895242123e5ed04787d0fdac5e58ca115d9ce3bb933546d1d66926f3c7617852c2a45e2c1972b7bf7
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vN:T6a+rdOOtEvwDpjN5
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 2024-02-04_1899e5a458d1084f97ebb823128a978e_cryptolocker
Files
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2024-02-04_1899e5a458d1084f97ebb823128a978e_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