Behavioral task
behavioral1
Sample
2024-04-08_a4e6f49ef1c1ff6da75d6fd086a37420_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-04-08_a4e6f49ef1c1ff6da75d6fd086a37420_cryptolocker.exe
Resource
win10v2004-20240319-en
General
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Target
2024-04-08_a4e6f49ef1c1ff6da75d6fd086a37420_cryptolocker
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Size
73KB
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MD5
a4e6f49ef1c1ff6da75d6fd086a37420
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SHA1
16685004bed54e0ee197bf07a016a5268e3e287e
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SHA256
5b3aac981e07a0b0f2ea490dcbea1727ecaa2c5327cbc753d329a65fceab5be9
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SHA512
52499b6beed536e55f81be1b18362099b96f7b1d618db5b4324989f23d17830f52c0c907a7e5d7531b05e827fc9ed299d568ca02099bb52b1c526adbf8ba5e5f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalq:1nK6a+qdOOtEvwDpjP
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 2024-04-08_a4e6f49ef1c1ff6da75d6fd086a37420_cryptolocker
Files
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2024-04-08_a4e6f49ef1c1ff6da75d6fd086a37420_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE