Behavioral task
behavioral1
Sample
2024-01-26_a66203bb63a5604f97e114f82c624f2d_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_a66203bb63a5604f97e114f82c624f2d_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_a66203bb63a5604f97e114f82c624f2d_cryptolocker
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Size
74KB
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MD5
a66203bb63a5604f97e114f82c624f2d
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SHA1
eeab94e2d680cfde6f9ae7848b4451356cc17d0b
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SHA256
ad7ef544ec1e2c01eb8a13bc4fe16ac9574002d72dac9ea266a05a0f879776eb
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SHA512
ecb319598f58942d78a0e5c83cb36716e1ddbfe0b059cd8bf6809139b8ea4ef303bcddb4c3f4b6fa75c82ad727c65d40e5e49cc26fe92d4ea5fe16a84e761a30
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx4v:T6a+rdOOtEvwDpjNtHPH
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 2024-01-26_a66203bb63a5604f97e114f82c624f2d_cryptolocker
Files
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2024-01-26_a66203bb63a5604f97e114f82c624f2d_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_CODE
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