Behavioral task
behavioral1
Sample
2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_cryptolocker
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Size
91KB
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MD5
8c04d7da7dc82c52d17a7b1b1919445c
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SHA1
48ae6457dd8faec6d755d472e96ee158f1165119
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SHA256
6287354b56b970ef27d4a2e28603de65da33626db814092fee76b0b2f7b37176
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SHA512
feb04655db436fbc1c6027b794232b48292445988dfbb6f56fcfa6fd714fbab4c33c9e97d0e4ad73d4f77b2768da8197fe777c93114017647583b3df888da334
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SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Dx:n6a+1SEOtEvwDpjYYvQd2Pm
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 2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_cryptolocker
Files
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2024-06-11_8c04d7da7dc82c52d17a7b1b1919445c_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