Behavioral task
behavioral1
Sample
2024-02-02_d9fb965d323d7d129510b4e3e1a59031_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-02_d9fb965d323d7d129510b4e3e1a59031_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-02_d9fb965d323d7d129510b4e3e1a59031_cryptolocker
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Size
82KB
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MD5
d9fb965d323d7d129510b4e3e1a59031
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SHA1
497ba13e49c9c698b7fec8205fafe694a2748791
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SHA256
61c28f868be07b282611ac0c1d885ab218202d00cf17716ba086cc9133716792
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SHA512
c20aa6bd6c9176aa8e8843d9744f126df759dec99cf2885a59986103621996087e79ff64ba29bb00f988069e7cdb685bdca36b401ed70d8d777746435c6b0456
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1p:zCsanOtEvwDpjT
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 2024-02-02_d9fb965d323d7d129510b4e3e1a59031_cryptolocker
Files
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2024-02-02_d9fb965d323d7d129510b4e3e1a59031_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