Behavioral task
behavioral1
Sample
2024-05-10_a5733ef1e3a2e96422e269dd38a4564a_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-10_a5733ef1e3a2e96422e269dd38a4564a_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-10_a5733ef1e3a2e96422e269dd38a4564a_cryptolocker
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Size
51KB
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MD5
a5733ef1e3a2e96422e269dd38a4564a
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SHA1
ad8575f7a624c990cb017553bbf05fe9f211ced7
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SHA256
231324412ce846b9766a1f7f5a560debdeab1b852f4a8a69e494ab190d5b2ec9
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SHA512
0a393ba106cf0a6d9f39f1c0c92bc05862ccab9c90533efa158aabde43a4a24e08c1775c4b6a1550e78e15375b1b1e773bc5d3e1eea0c1ae5b92f55f5a4497d1
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtXu:bODOw9acifAoc+vXu
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-10_a5733ef1e3a2e96422e269dd38a4564a_cryptolocker
Files
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2024-05-10_a5733ef1e3a2e96422e269dd38a4564a_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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