Behavioral task
behavioral1
Sample
2024-04-05_f5a5f99541504ea4c89f38ef9d13c4b2_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-05_f5a5f99541504ea4c89f38ef9d13c4b2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_f5a5f99541504ea4c89f38ef9d13c4b2_cryptolocker
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Size
147KB
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MD5
f5a5f99541504ea4c89f38ef9d13c4b2
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SHA1
2d177ab09d2713b4ee4487d86db9b4ebd34f0036
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SHA256
bad909989da3aa2d5b702b9ce72ba358fdf47a7f4c6a94191fc6d5008eed1ff3
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SHA512
a6e2f108f8e3e36e95b0fc7aed3ab5c2409cf22228653e01373fdce7753bbc845863e281f931ab52d6b548c925d2ee081ce034585cc7ff26d063f6bec339b618
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1eF:z6a+CdOOtEvwDpjczP
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 2024-04-05_f5a5f99541504ea4c89f38ef9d13c4b2_cryptolocker
Files
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2024-04-05_f5a5f99541504ea4c89f38ef9d13c4b2_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_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