Behavioral task
behavioral1
Sample
2024-04-15_0448a94a7471a5d994aecb4ca7a2b612_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-15_0448a94a7471a5d994aecb4ca7a2b612_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-15_0448a94a7471a5d994aecb4ca7a2b612_cryptolocker
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Size
35KB
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MD5
0448a94a7471a5d994aecb4ca7a2b612
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SHA1
950ba0ad3bd5250e469e4a71d7776994a3b9df27
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SHA256
0af8ebc041d3a507f868bf299e7f1f7fa71fc5d3b918b8a88b8b2739121e987f
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SHA512
3a0714719ab4233e0b0b0382f046ef5461faa130e53f9f0e45add579dcb5ab20ee3c679d6b63b0aacd1dcf8cade32f657ce53ed33e18dfc65d4b749633bd8b1a
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SSDEEP
768:b7W5A8WtijKeOcfXor3BPOz5CFBmNuFg3:b7W5AWjTGx0B
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 2024-04-15_0448a94a7471a5d994aecb4ca7a2b612_cryptolocker unpack001/out.upx
Files
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2024-04-15_0448a94a7471a5d994aecb4ca7a2b612_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