Behavioral task
behavioral1
Sample
2024-02-28_cb173e5654c1549e56b03db3f05aafcb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_cb173e5654c1549e56b03db3f05aafcb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_cb173e5654c1549e56b03db3f05aafcb_cryptolocker
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Size
80KB
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MD5
cb173e5654c1549e56b03db3f05aafcb
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SHA1
fdc7c5d173ce88b0c2b294dedbe4eb4954a05491
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SHA256
85cb2882d40b498097014d9717cb0164315b8d5838a8631f2fc86125cd4bed8e
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SHA512
7cba30ec2c0bf5dd0c64d8e5e6e2d09dd5da95c40a637d4f0fa05ad5f699ea2c2eed3d439869e5f9c7663a212445c6ffd8fad0e8b06c2e3fb2eb47fb9f80e4cd
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyS2j:zCsanOtEvwDpjg
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 2024-02-28_cb173e5654c1549e56b03db3f05aafcb_cryptolocker
Files
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2024-02-28_cb173e5654c1549e56b03db3f05aafcb_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