Behavioral task
behavioral1
Sample
2024-03-07_c1cfec791484ea460e33aa7e5263dca3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-07_c1cfec791484ea460e33aa7e5263dca3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-07_c1cfec791484ea460e33aa7e5263dca3_cryptolocker
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Size
75KB
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MD5
c1cfec791484ea460e33aa7e5263dca3
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SHA1
85cc1a48366e21ed7de5fd6d44ddae774e66f02a
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SHA256
8f624fded86d083fb842b9b4509efe8fdcb97fea324e7db91bbbab432d4bddf1
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SHA512
d36d5de40b3313c2c50b8db4ce0f63016f03c043a863fd6159c12a42b581f5a76103cc30197d792779a2ac080fc9e87e96da27136bbef2ad2a13476b2421f13e
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcRq:T6a+rdOOtEvwDpjNtj
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 2024-03-07_c1cfec791484ea460e33aa7e5263dca3_cryptolocker
Files
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2024-03-07_c1cfec791484ea460e33aa7e5263dca3_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