Behavioral task
behavioral1
Sample
2024-04-21_a187fb61a71435098909aa9a5a4537ca_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-21_a187fb61a71435098909aa9a5a4537ca_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-21_a187fb61a71435098909aa9a5a4537ca_cryptolocker
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Size
72KB
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MD5
a187fb61a71435098909aa9a5a4537ca
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SHA1
5f07eab42564c13d0b7958489c6dc9c12354951d
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SHA256
cd77ea721eda7eebe00bdaeb1ade8241f9b770eab50cb317f22fac3541946164
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SHA512
bb3160667b17070de874a507ac61aa92592feb2db88c81b4c51ca8a8c6f64e80aaf0f75cd80ef848e3d0935f1907a18b11f2cb2a0ec3d13a5243a28166de0b2e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBz:z6a+CdOOtEvwDpjQx
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 2024-04-21_a187fb61a71435098909aa9a5a4537ca_cryptolocker
Files
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2024-04-21_a187fb61a71435098909aa9a5a4537ca_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