Behavioral task
behavioral1
Sample
2024-06-11_1b3019c2bbb070e57d83908d39f3dfc4_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-06-11_1b3019c2bbb070e57d83908d39f3dfc4_cryptolocker.exe
Resource
win10v2004-20240611-en
General
-
Target
2024-06-11_1b3019c2bbb070e57d83908d39f3dfc4_cryptolocker
-
Size
91KB
-
MD5
1b3019c2bbb070e57d83908d39f3dfc4
-
SHA1
cc655efbed8d1231303fe9ab6d6c880222a82351
-
SHA256
b0542ffc27a907fbab319b6d18b0d6431bb864af2bcde352b235af024e3fadf4
-
SHA512
f503353c1cbd83732008176509336f840fc1ed804d9883cf16004b29a770b248e48db44930105c7ba95402a0c4d029240d44f20985051059f0d5f2b0ad8c961d
-
SSDEEP
1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAA/Lsu:n6a+1SEOtEvwDpjYYvQd2Po
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 2024-06-11_1b3019c2bbb070e57d83908d39f3dfc4_cryptolocker
Files
-
2024-06-11_1b3019c2bbb070e57d83908d39f3dfc4_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