Behavioral task
behavioral1
Sample
2024-02-23_41dea29650bd52d5d39792888cd69103_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_41dea29650bd52d5d39792888cd69103_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-23_41dea29650bd52d5d39792888cd69103_cryptolocker
-
Size
75KB
-
MD5
41dea29650bd52d5d39792888cd69103
-
SHA1
5f511eecf95031b26146b4fe25e5ada34dc0c06d
-
SHA256
c5048f3dc7cf79de71d40ea454ce4bac7ff1681412d0e037cf0803e14dfe2f33
-
SHA512
504f1cb544af7feb8fc5f3117386e989e600651802e2e3d943c21e5ddfdd1c66e83dde0995890d5b9e6db5a24a61a2ad3fd0565e9583be2bd73602ade47bfa22
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdJcX:T6a+rdOOtEvwDpjNtk
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 2024-02-23_41dea29650bd52d5d39792888cd69103_cryptolocker
Files
-
2024-02-23_41dea29650bd52d5d39792888cd69103_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