Behavioral task
behavioral1
Sample
2024-05-25_efa68e5450bb93e55f7b0ae9d0e536e8_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-25_efa68e5450bb93e55f7b0ae9d0e536e8_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-25_efa68e5450bb93e55f7b0ae9d0e536e8_cryptolocker
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Size
59KB
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MD5
efa68e5450bb93e55f7b0ae9d0e536e8
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SHA1
1c35f4c1dcf03528c26aee98407ebba7c74854bc
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SHA256
91bb81bab2006fe2d0cbf6dda762fafcdff120fa08dd18494b74898ea533419b
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SHA512
6e13b0ad14ce8fc24266c2061fa7c82c4695d3eb1bb5329c10db770afc333135da4787fc047045a36990b7ecb9d53759ea9790c6ab6935474b748d92c93996ee
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPj2:H6QFElP6n+gou9cvMOtEvwDpjCpVX/
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 2024-05-25_efa68e5450bb93e55f7b0ae9d0e536e8_cryptolocker
Files
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2024-05-25_efa68e5450bb93e55f7b0ae9d0e536e8_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: 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