Behavioral task
behavioral1
Sample
2024-02-12_a9e8f8bf8d231977abbc4f348e43de8b_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_a9e8f8bf8d231977abbc4f348e43de8b_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-12_a9e8f8bf8d231977abbc4f348e43de8b_cryptolocker
-
Size
105KB
-
MD5
a9e8f8bf8d231977abbc4f348e43de8b
-
SHA1
df0f45ebbb715398f81058e68cfa9dbdf298e2c4
-
SHA256
187fa1385f20052211be266195491404fcb6d7b61d16645adc34ee2c70886174
-
SHA512
90ba921c4c13c340d22bb74508949cf2c04501041a25a5207f7a3256a333b2c02fa0c1f0f6af88c67750d7a79b6c28e57d5dd7ff82a80e4995ad57bb06e0f16d
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GkszfE:1nK6a+qdOOtEvwDpjg
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 2024-02-12_a9e8f8bf8d231977abbc4f348e43de8b_cryptolocker
Files
-
2024-02-12_a9e8f8bf8d231977abbc4f348e43de8b_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