Behavioral task
behavioral1
Sample
2024-01-28_9e7d61aef337a23972b42b529b1691f1_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_9e7d61aef337a23972b42b529b1691f1_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-28_9e7d61aef337a23972b42b529b1691f1_cryptolocker
-
Size
76KB
-
MD5
9e7d61aef337a23972b42b529b1691f1
-
SHA1
b1463f25235e3911f2decc038747add6c9bd4c5e
-
SHA256
37de9466bf23a0546fc294801169529aff1264cd4c4a5a7f1c319c1c93d926a0
-
SHA512
f8b49022c963c5a1fdaf53999f34476f8df17859e1b28cb2c9fc39b771585b5a257b5d13f5535a9da0788617f7b6058c2477d4f4f8d74bcc4f8191ea5451baa6
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyay:zCsanOtEvwDpjo
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 2024-01-28_9e7d61aef337a23972b42b529b1691f1_cryptolocker
Files
-
2024-01-28_9e7d61aef337a23972b42b529b1691f1_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