Behavioral task
behavioral1
Sample
2024-04-22_231597a9d0dd5edada2820c883fe2bc7_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-22_231597a9d0dd5edada2820c883fe2bc7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-22_231597a9d0dd5edada2820c883fe2bc7_cryptolocker
-
Size
57KB
-
MD5
231597a9d0dd5edada2820c883fe2bc7
-
SHA1
ce9f7ccf6590e09448019353a5e9e31e3afd48e4
-
SHA256
e872003bbc559d28a2b8b441edbaa295ba35a905371af49a8f8683c7ef882d75
-
SHA512
5e3ef79d4d3bdafd7e47b1a53d21156da545e2f46db90af9f796ff555399131d98b03750e20eb73ab6c1997400d1c93eaa27099c7075d260c3345e69690abb03
-
SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPt:H6QFElP6n+gou9cvMOtEvwDpjCpVXk
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 2024-04-22_231597a9d0dd5edada2820c883fe2bc7_cryptolocker
Files
-
2024-04-22_231597a9d0dd5edada2820c883fe2bc7_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_CODE
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