Behavioral task
behavioral1
Sample
2024-02-18_b735c65c7362812ef9b5b031f3b4cc0f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_b735c65c7362812ef9b5b031f3b4cc0f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_b735c65c7362812ef9b5b031f3b4cc0f_cryptolocker
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Size
71KB
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MD5
b735c65c7362812ef9b5b031f3b4cc0f
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SHA1
9acd1d8e8cadf8f6e64ce75f2499295d61955072
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SHA256
b2c87fcbdd9d5eb548ce0c2448ba6e31270b7ed94cd163c4d1222242ddf1b751
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SHA512
3ac515c2be1f9b1628225dd564397fd47a556af419440646468d7362f16ba545b1b759512f32692263d1b3d9460418c211231984402b0a0fcff74f077d4ae424
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalk:1nK6a+qdOOtEvwDpjd
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 2024-02-18_b735c65c7362812ef9b5b031f3b4cc0f_cryptolocker
Files
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2024-02-18_b735c65c7362812ef9b5b031f3b4cc0f_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE