Behavioral task
behavioral1
Sample
2024-04-16_2f125c7047f6ccf4e249886ddaa86fb8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-16_2f125c7047f6ccf4e249886ddaa86fb8_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-16_2f125c7047f6ccf4e249886ddaa86fb8_cryptolocker
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Size
36KB
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MD5
2f125c7047f6ccf4e249886ddaa86fb8
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SHA1
5f433a48699950391310baea537b9c817123132c
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SHA256
20bb5d0e396ffc88828e5cc34d346371f39bfdeec394a3dc71e9057705a6f62a
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SHA512
96d6cf2f5331cd009eea169a921afefb7936b21cc247879adca8041a71518098a65c62dff4e1c8a1dd6cd6a241e841a03132b13c7e3158c9f9e3d2ba05e94fb5
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SSDEEP
768:b7W5A8WtijKeOcfXor3BPOz5CFBmNuFgn:b7W5AWjTGx0x
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_2f125c7047f6ccf4e249886ddaa86fb8_cryptolocker unpack001/out.upx
Files
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2024-04-16_2f125c7047f6ccf4e249886ddaa86fb8_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