Behavioral task
behavioral1
Sample
2024-03-05_bf476cfa5986762498d92b00591edf9d_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-05_bf476cfa5986762498d92b00591edf9d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-05_bf476cfa5986762498d92b00591edf9d_cryptolocker
-
Size
83KB
-
MD5
bf476cfa5986762498d92b00591edf9d
-
SHA1
b0f444ef1e289b9c03b7c3ce98049f1885375891
-
SHA256
1e1703f6eabcd1af50681cabe9ffdfd83dd3b540b4f178b64d443be1eabde107
-
SHA512
d2f4e2fc7890da80bba94d3d5d34e9104c624b86533c6cbe7bc3f1a4199f3f6397c3b5fff3fcda0defe36eeb249709ac6c6d7dd3e6065df2dc0ee7b9fae14c7f
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1nmo:zCsanOtEvwDpjx
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 2024-03-05_bf476cfa5986762498d92b00591edf9d_cryptolocker
Files
-
2024-03-05_bf476cfa5986762498d92b00591edf9d_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