Behavioral task
behavioral1
Sample
2024-04-05_1f538d50c19ac635b81fef85b7e6ed8b_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-05_1f538d50c19ac635b81fef85b7e6ed8b_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-05_1f538d50c19ac635b81fef85b7e6ed8b_cryptolocker
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Size
62KB
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MD5
1f538d50c19ac635b81fef85b7e6ed8b
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SHA1
19d5190f5c223b99c88260c6a03543ebc9850594
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SHA256
5f9161e7141eabbedf1195b6d78de07059dd4f3ad52dbcddd74d44b935f807d0
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SHA512
84af17aeaf8082b0da54d5d7565e51c72bafff0f16e03bb2a0ec8bef20b9c8bf229c94d11acade4595681f3dd59c3e6f2eeaca3f4c41e38299431b9387d6a1c5
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SSDEEP
768:T6LsoEEeegiZPvEhHSG+gkum/kLyMro2GtOOtEvwDpjhXMLamkc8J5SCoS:T6QFElP6n+gxmddpMOtEvwDpjwa33x
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 2024-04-05_1f538d50c19ac635b81fef85b7e6ed8b_cryptolocker
Files
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2024-04-05_1f538d50c19ac635b81fef85b7e6ed8b_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