Behavioral task
behavioral1
Sample
2024-02-04_1a55f027d18a9d48865c2c4631179db3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_1a55f027d18a9d48865c2c4631179db3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-04_1a55f027d18a9d48865c2c4631179db3_cryptolocker
-
Size
74KB
-
MD5
1a55f027d18a9d48865c2c4631179db3
-
SHA1
b2e1f8a93fd51a6aec766a310c6d3acab395e63a
-
SHA256
370b8f7c56d391b9dbd42630f642e15ed10c7ca2ac00388995b75c351d054d2e
-
SHA512
d13be9017af646eefd36adb945aeb2f4e38b3580ce15e348f6204a9a121520b223a2e325ee879c87de02ee345063bc4f2e38630030c3df4db3c3b8cdc82b617d
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUx0L:T6a+rdOOtEvwDpjNtHPP
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 2024-02-04_1a55f027d18a9d48865c2c4631179db3_cryptolocker
Files
-
2024-02-04_1a55f027d18a9d48865c2c4631179db3_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: 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