Behavioral task
behavioral1
Sample
2024-04-16_3ebc7908cda72606ff0ea46c24f3c4e6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_3ebc7908cda72606ff0ea46c24f3c4e6_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_3ebc7908cda72606ff0ea46c24f3c4e6_cryptolocker
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Size
36KB
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MD5
3ebc7908cda72606ff0ea46c24f3c4e6
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SHA1
6562475305e817c1969a9ad87bc24d6d9e006f1e
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SHA256
c8700feb83f6b670327d42c27c1b80fa2fdcbc2bcc19d73f55d7fc48e0cc2f94
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SHA512
655f8acd1fa0f780fc7bea799f8744d6908f76400d634d778bf3f0956efca60609e57b66547694df26133310bbc0a6ca2aa31e274bc7adf4c97c766613ce187c
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SSDEEP
768:b7W5A8WtijKeOcfXor3BPOz5CFBmNuFgw:b7W5AWjTGx0i
Malware Config
Signatures
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Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-16_3ebc7908cda72606ff0ea46c24f3c4e6_cryptolocker unpack001/out.upx
Files
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2024-04-16_3ebc7908cda72606ff0ea46c24f3c4e6_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: - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.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
.text Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 10KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ