Behavioral task
behavioral1
Sample
2024-01-25_7589e69d8c8353d26eb3548bb5f3bef9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_7589e69d8c8353d26eb3548bb5f3bef9_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-25_7589e69d8c8353d26eb3548bb5f3bef9_cryptolocker
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Size
80KB
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MD5
7589e69d8c8353d26eb3548bb5f3bef9
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SHA1
349f34b044282e391226f55c865eeb311fb1ccb3
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SHA256
a7818479c257d060d58e1cadf55e9b27dbaaea024a80c21250996e5bbba0bcc1
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SHA512
b8c4f6238ccc17d16d6c21650aaf8d0cb0ba9d228bbf5f1b3580274a0f281e0450b6c59c6cff277bed9020e75b631e874e99a91cfd99600215fbfa9a9c208c21
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7B:T6a+rdOOtEvwDpjNN
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 2024-01-25_7589e69d8c8353d26eb3548bb5f3bef9_cryptolocker
Files
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2024-01-25_7589e69d8c8353d26eb3548bb5f3bef9_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