Behavioral task
behavioral1
Sample
2024-01-26_101f202874a57da32acb275467b6f905_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_101f202874a57da32acb275467b6f905_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-26_101f202874a57da32acb275467b6f905_cryptolocker
-
Size
115KB
-
MD5
101f202874a57da32acb275467b6f905
-
SHA1
d35128b3f541b6db39220b1c7a9de9c39afd97c5
-
SHA256
3f41caa2822abedaff1198666c04b02007a927f95ae110da10d6edb29c5c4f13
-
SHA512
ed31cecd82e6f91d443ba4e42eac65a5014e2813240ca21d125701debfa56063f29991900c742a43edf4a103841e3eff240d96e56c750fd050386ea1f466f9c4
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01C:z6a+CdOOtEvwDpjczk
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 2024-01-26_101f202874a57da32acb275467b6f905_cryptolocker
Files
-
2024-01-26_101f202874a57da32acb275467b6f905_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_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