Behavioral task
behavioral1
Sample
2024-02-28_7256516cbf86750248a90f196d899f8a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_7256516cbf86750248a90f196d899f8a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-02-28_7256516cbf86750248a90f196d899f8a_cryptolocker
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Size
116KB
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MD5
7256516cbf86750248a90f196d899f8a
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SHA1
0f541d7a281a87525f49e09ac7992b1db44dbcb7
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SHA256
1692943791c223a47314425435f3b85586370eb9ded1dcf8d18e3e3f02b66c2a
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SHA512
56a4c1ef0698aaed4806bf32ed81161008c66f0f0254353d4dde036066866563651e17fae61b73b42d5f4c960eca09da25017357c82e6f72e2c72b2a8fb07d25
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp014:z6a+CdOOtEvwDpjczG
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 2024-02-28_7256516cbf86750248a90f196d899f8a_cryptolocker
Files
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2024-02-28_7256516cbf86750248a90f196d899f8a_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: 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