Behavioral task
behavioral1
Sample
2024-02-28_2639433a692f6b73f026cfcff6ae71fb_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_2639433a692f6b73f026cfcff6ae71fb_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-02-28_2639433a692f6b73f026cfcff6ae71fb_cryptolocker
-
Size
80KB
-
MD5
2639433a692f6b73f026cfcff6ae71fb
-
SHA1
2f0122b03c90dc24b109f31d029afd8ce57d8d78
-
SHA256
dde28a2f7dc27f671c9f519a16b2c5d51e3a73645e948e6502c55977f6172db6
-
SHA512
44f6db6b4a4c6b19b0019704b214fea2c11505011433175d948c60f85b3d4bb0a88ee285fd03b447603f128c5d5fa19ffc94bc65f78482517ea63fe8b856f62e
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyTg6T:zCsanOtEvwDpja
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 2024-02-28_2639433a692f6b73f026cfcff6ae71fb_cryptolocker
Files
-
2024-02-28_2639433a692f6b73f026cfcff6ae71fb_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