Static task
static1
Behavioral task
behavioral1
Sample
2024-01-25_b74b20a343f7822627b56a0a005c535f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_b74b20a343f7822627b56a0a005c535f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-25_b74b20a343f7822627b56a0a005c535f_cryptolocker
-
Size
100KB
-
MD5
b74b20a343f7822627b56a0a005c535f
-
SHA1
aa15e0f4d6933580a8c1f6da447e7fe9c057c3c2
-
SHA256
c954830f261f98e952bf7f56f93f01cca06a765cb77fc689946a469ade8b15c8
-
SHA512
bac6c1d5b46a77a6310e6eba41b7de2d5ffe7239c4c595153b33e8e53bc871198bd163234862b834e7a60f13ca1516ba7622c051caac81f2eb2e9c5c80c64c4b
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNojlE6:i5nkFGMOtEvwDpjNbwQEIikgNyE6
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-25_b74b20a343f7822627b56a0a005c535f_cryptolocker
Files
-
2024-01-25_b74b20a343f7822627b56a0a005c535f_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE