Static task
static1
Behavioral task
behavioral1
Sample
2024-03-26_bc772659818614a2b4e04a906c552c33_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-26_bc772659818614a2b4e04a906c552c33_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-26_bc772659818614a2b4e04a906c552c33_cryptolocker
-
Size
100KB
-
MD5
bc772659818614a2b4e04a906c552c33
-
SHA1
5069badd67f1aea8ad292156d6505c36bd4f563c
-
SHA256
a68f0f785b7f647d6af5c0983c8907c5f6990a5836bd0cd693ea7f9d283a1876
-
SHA512
fe9fb03f418288c909a400de1ab43eb675875aa968e1789cd2c95e0b68ad9be310ea7e92a9fc2b8c2ac00c11ea65c35acf62da846eafc32eb93e5ad910c4c4f0
-
SSDEEP
768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNoT:i5nkFGMOtEvwDpjNbwQEIikgN0
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 2024-03-26_bc772659818614a2b4e04a906c552c33_cryptolocker
Files
-
2024-03-26_bc772659818614a2b4e04a906c552c33_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