Behavioral task
behavioral1
Sample
2024-01-27_f5a692a62b8befcfe15056292b8509ac_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-27_f5a692a62b8befcfe15056292b8509ac_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-27_f5a692a62b8befcfe15056292b8509ac_cryptolocker
-
Size
74KB
-
MD5
f5a692a62b8befcfe15056292b8509ac
-
SHA1
6c9dbfaca1584f242212430d1fcb6104c967ceb0
-
SHA256
1e5b1a80e889c51fe1f21a913ef2e4071de9c323406aa8830e552c7c862b4a17
-
SHA512
7453ab81aed9677a8ce46c3694c397172bbcf1e88156f243a219c26a7c295aba6d0d9657d224b7d2f9e695d25dde25060d083ddcb7b1219a8c784ecf2f48e267
-
SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxU:T6a+rdOOtEvwDpjNtHPz
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 2024-01-27_f5a692a62b8befcfe15056292b8509ac_cryptolocker
Files
-
2024-01-27_f5a692a62b8befcfe15056292b8509ac_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