Behavioral task
behavioral1
Sample
2024-04-29_8b66c0a047df00a002a7a14810456803_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-29_8b66c0a047df00a002a7a14810456803_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-29_8b66c0a047df00a002a7a14810456803_cryptolocker
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Size
65KB
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MD5
8b66c0a047df00a002a7a14810456803
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SHA1
0043d00382ba5e0a09694ce3782193e0ac0b3ab7
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SHA256
c7c1905c3b9b1223064b5767a54880cf33307f10fa35940d2983926ac5dd8b2c
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SHA512
7461e509d50f32a9e9967d32346b4acf583d53c4a3dd01c8327198c268d01fc60327403e744d2d28507194bd043d17def6205905f037ef3c45d9597b5d8e7e89
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5Bg:zj+soPSMOtEvwDpj4kpmeLmQ/g
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 2024-04-29_8b66c0a047df00a002a7a14810456803_cryptolocker
Files
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2024-04-29_8b66c0a047df00a002a7a14810456803_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