Behavioral task
behavioral1
Sample
2024-01-26_3efcf6c39bc8fa88cabc631e1fa6f71b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_3efcf6c39bc8fa88cabc631e1fa6f71b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_3efcf6c39bc8fa88cabc631e1fa6f71b_cryptolocker
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Size
117KB
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MD5
3efcf6c39bc8fa88cabc631e1fa6f71b
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SHA1
a029df20e326d99899232928b39301bbea2bdb63
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SHA256
c93614ef6b5e15b6308c2a56aa1e39870a77037ed43d8b8f468b83b6479278eb
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SHA512
aea71b5965b04e0fd2d3dfc9f604ce4eaef671c1de6e274e8c5df1b201d456c1dd990869510074590eeaca450e00b0c4bbb3b83fa4e8746baa1eeb4fe3684a24
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01Qam:z6a+CdOOtEvwDpjczg
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_3efcf6c39bc8fa88cabc631e1fa6f71b_cryptolocker
Files
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2024-01-26_3efcf6c39bc8fa88cabc631e1fa6f71b_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