Behavioral task
behavioral1
Sample
2024-01-08_1a1279a80c9f22d1f0a4d0fc8e86b6c3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-08_1a1279a80c9f22d1f0a4d0fc8e86b6c3_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-08_1a1279a80c9f22d1f0a4d0fc8e86b6c3_cryptolocker
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Size
91KB
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MD5
1a1279a80c9f22d1f0a4d0fc8e86b6c3
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SHA1
98993b458de66f8f8cb92d0d2be3cf2739957372
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SHA256
a661c12cdda38384bafed713d1a76e9db76123eac9c3c745aa2148134942c41d
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SHA512
82be3ffa610996c42e8bfe68384e673eed19687193b75099aa66d2bd316adf532c5d8641e5f98936497aa387c61acd0d6d99a7d538ac96deda905811e17fce7c
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01K:AnBdOOtEvwDpj6zM
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-01-08_1a1279a80c9f22d1f0a4d0fc8e86b6c3_cryptolocker unpack001/out.upx
Files
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2024-01-08_1a1279a80c9f22d1f0a4d0fc8e86b6c3_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: 32KB
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
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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: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ