Behavioral task
behavioral1
Sample
2024-02-28_5f6f3a4cd2a7c3d8809b33e6a83fc082_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_5f6f3a4cd2a7c3d8809b33e6a83fc082_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-02-28_5f6f3a4cd2a7c3d8809b33e6a83fc082_cryptolocker
-
Size
87KB
-
MD5
5f6f3a4cd2a7c3d8809b33e6a83fc082
-
SHA1
e75ac38a2db51358f8e015325174d37fdbf98aa4
-
SHA256
3f21464ef6c485010158cda9d80435402a5a459d88e57f853fb8a184b643efab
-
SHA512
b4918f440bf7ea7846aaa9a4af59bf134933d1368a44286ad36f5725183ea8d48c81ef50e8b35b52d0896e91f0a1f51178eabf18588160cf6f0900999f513b6d
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyb9:zCsanOtEvwDpjw
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_5f6f3a4cd2a7c3d8809b33e6a83fc082_cryptolocker
Files
-
2024-02-28_5f6f3a4cd2a7c3d8809b33e6a83fc082_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