Behavioral task
behavioral1
Sample
2024-06-03_8f2dd331535b6a0581ac8a82592aaeb8_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-06-03_8f2dd331535b6a0581ac8a82592aaeb8_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-06-03_8f2dd331535b6a0581ac8a82592aaeb8_cryptolocker
-
Size
90KB
-
MD5
8f2dd331535b6a0581ac8a82592aaeb8
-
SHA1
77e469a0b433f07db61f1e8cadfd1ea5080359ac
-
SHA256
a7e7ce37d338ea738245e0faea887f826e1087a02e4f09866083ac86b71bb4f8
-
SHA512
f6a236b8fcd77021b6b2e8c790ef7ae21b13b58634c1d1f525d46ae281966569a373e0adbf96d17de23431fe44b4139ddd68577888f7a97a218bac74bd619ee9
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAV5h:n6a+1SEOtEvwDpjYYvQd2Pl
Malware Config
Signatures
-
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 2024-06-03_8f2dd331535b6a0581ac8a82592aaeb8_cryptolocker
Files
-
2024-06-03_8f2dd331535b6a0581ac8a82592aaeb8_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: 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