Behavioral task
behavioral1
Sample
2024-05-11_05a7c289d46c0da8b47853a9368e5446_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-11_05a7c289d46c0da8b47853a9368e5446_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-11_05a7c289d46c0da8b47853a9368e5446_cryptolocker
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Size
89KB
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MD5
05a7c289d46c0da8b47853a9368e5446
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SHA1
d621e7526cfe1153166e579c8b6ea858e9db34dc
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SHA256
3f9204e80cbfe3cdacd208698ae52fefd6123109bb2c4b361c2e39203f6cc12a
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SHA512
3b2598864c308c913dcd4dcddebb805c82228b32abd35ceab6a659f07e8f7d0ba32e2c258367217a45e53a46b3c10b5da3d76354e0f0312e07c73993f2f9bd1c
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/W:n6a+1SEOtEvwDpjYYvQd2Pd
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 2024-05-11_05a7c289d46c0da8b47853a9368e5446_cryptolocker
Files
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2024-05-11_05a7c289d46c0da8b47853a9368e5446_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: 11KB - 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