Behavioral task
behavioral1
Sample
2024-03-16_83df31e231352d20797b9fb3c79f6e73_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-16_83df31e231352d20797b9fb3c79f6e73_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-16_83df31e231352d20797b9fb3c79f6e73_cryptolocker
-
Size
82KB
-
MD5
83df31e231352d20797b9fb3c79f6e73
-
SHA1
d380f0089f425db03bddfede64d2032b518aa911
-
SHA256
3f95d6df8c7081e98235c3fbeceefb18eff802943c2659909f8461411057e704
-
SHA512
235b990fae03b7ceedf6030674d7f73ddf661d8968fa4481bd98164050da9aeb647352687c805ed04a1884660ad0938d2c12ca1db46d2985f6d4c3b60f789c5c
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdeSG:T6a+rdOOtEvwDpjNtq
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 2024-03-16_83df31e231352d20797b9fb3c79f6e73_cryptolocker
Files
-
2024-03-16_83df31e231352d20797b9fb3c79f6e73_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