Behavioral task
behavioral1
Sample
2024-06-05_473c748377e07e81822ff5ea2fa0e771_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-05_473c748377e07e81822ff5ea2fa0e771_cryptolocker.exe
Resource
win10v2004-20240508-en
General
-
Target
2024-06-05_473c748377e07e81822ff5ea2fa0e771_cryptolocker
-
Size
81KB
-
MD5
473c748377e07e81822ff5ea2fa0e771
-
SHA1
2290ca248b5fb1957a990b3ad6e42b7379d7fa1a
-
SHA256
a9b2ee57f540c38b1fdb0cf17469df0183f3666c6e2defd52eebacd69609bb8d
-
SHA512
fc3e71d31230a76252da649de5c7d5c08d9e3d6fa0ddec7ea9edee7fff997815960fc8e8156ea454aea40d59cc1a989cf929dd0a104b8bedb689c080a0f4dea0
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdj:T6a+rdOOtEvwDpjNtV
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 2024-06-05_473c748377e07e81822ff5ea2fa0e771_cryptolocker
Files
-
2024-06-05_473c748377e07e81822ff5ea2fa0e771_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