Behavioral task
behavioral1
Sample
2024-04-08_a1d13ae44fa296bcbd0c55aaaa4e4d77_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_a1d13ae44fa296bcbd0c55aaaa4e4d77_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_a1d13ae44fa296bcbd0c55aaaa4e4d77_cryptolocker
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Size
50KB
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MD5
a1d13ae44fa296bcbd0c55aaaa4e4d77
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SHA1
dfd6fc18993219be3c0bd715f290536852565b3f
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SHA256
24d60dd15c373e5234fcb52f041188c0605e0e790115a6f113e21e740575a147
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SHA512
c890cbfb1df2707237676b513e5c2909286f6e734d6aaab75550e6cac922933e634e856c93ee3817d4a4689b8e87f9d523a0e6f2f741f1bae25fdac39e87fed5
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTc:z6QFElP6n+gKmddpMOtEvwDpj31Y
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_a1d13ae44fa296bcbd0c55aaaa4e4d77_cryptolocker
Files
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2024-04-08_a1d13ae44fa296bcbd0c55aaaa4e4d77_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