Behavioral task
behavioral1
Sample
2024-04-17_4903fd7fcc1133201feb6fd6e2bf8c62_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_4903fd7fcc1133201feb6fd6e2bf8c62_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_4903fd7fcc1133201feb6fd6e2bf8c62_cryptolocker
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Size
77KB
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MD5
4903fd7fcc1133201feb6fd6e2bf8c62
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SHA1
50f9fc1863b694d890e99e6a6d83d78548a95641
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SHA256
40f181d8b1a1c33df06e3e77b055186ddf356bcedeffb83c8ce63710e0d8fa1c
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SHA512
1dd7ddf121cef7be88146b085b40760c4e3326b953edaf0f98484abc1e0a26e95a43cc949bd0b7eecb8b3c742bd0e428b0cb67d5309922487bc79664d925b2b0
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRm:T6a+rdOOtEvwDpjNt/
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 2024-04-17_4903fd7fcc1133201feb6fd6e2bf8c62_cryptolocker
Files
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2024-04-17_4903fd7fcc1133201feb6fd6e2bf8c62_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