Behavioral task
behavioral1
Sample
2024-05-27_b239aca19b3265fa12e0647c406b529d_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-27_b239aca19b3265fa12e0647c406b529d_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-27_b239aca19b3265fa12e0647c406b529d_cryptolocker
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Size
78KB
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MD5
b239aca19b3265fa12e0647c406b529d
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SHA1
7bd4536b911cf30a446dc33dad4be9b7d7f72b7e
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SHA256
bba8762ae62d5f68bdd79612bcde6aeef44c9179cc3387ca3bfa56195258dfc8
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SHA512
26fa7d00781bfb8510d1d06ce017d4be84aa9d478ddff4c7273ec3da57f6e844437ada5afb605396af78f7c60a8a1b5ddaab58bf69c1037da3a9b72e181b1365
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1F9:T6a+rdOOtEvwDpjNtHPE
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 2024-05-27_b239aca19b3265fa12e0647c406b529d_cryptolocker
Files
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2024-05-27_b239aca19b3265fa12e0647c406b529d_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