Behavioral task
behavioral1
Sample
2024-05-11_b1e36073d7dea76b5ea6a5749a0fda28_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-11_b1e36073d7dea76b5ea6a5749a0fda28_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-11_b1e36073d7dea76b5ea6a5749a0fda28_cryptolocker
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Size
51KB
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MD5
b1e36073d7dea76b5ea6a5749a0fda28
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SHA1
2dd411d7b10b9f579975478f3ce8cce2fb01d6a9
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SHA256
b677437696ba593a128963696d1317ff8a278f3e8afb56ebf434886f0938a493
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SHA512
6aad161775b08895e2c07d1ec354f8c0928315a54069314b44cd9bcf4fd7c00cb92ee4e08211f2b244a4fd41f355f8af762b44158c962da2491c96b9fe26d551
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOz:bODOw9acifAoc+vY
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 2024-05-11_b1e36073d7dea76b5ea6a5749a0fda28_cryptolocker
Files
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2024-05-11_b1e36073d7dea76b5ea6a5749a0fda28_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