Behavioral task
behavioral1
Sample
2024-04-27_4b41cf4ae00e39bb34710107536b0e33_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-27_4b41cf4ae00e39bb34710107536b0e33_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-27_4b41cf4ae00e39bb34710107536b0e33_cryptolocker
-
Size
65KB
-
MD5
4b41cf4ae00e39bb34710107536b0e33
-
SHA1
08448e757fb94639049cd8b35d6de0c13672d908
-
SHA256
5f64efddff880b6c93f896f5ea13de00a3d5d16cbdd2a364ccc1a022d4bf57a3
-
SHA512
59ec51a6a10ccb1de84cbcd8d9309c2805cfda2fee163c707ad16555c03bb6293523dd2caf7159ca0895a8a8276c5d78b3f611493193c15c2c264d13e8edde8b
-
SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k5BPRh:zj+soPSMOtEvwDpj4kpmeLmQ/Pn
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 2024-04-27_4b41cf4ae00e39bb34710107536b0e33_cryptolocker
Files
-
2024-04-27_4b41cf4ae00e39bb34710107536b0e33_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