Behavioral task
behavioral1
Sample
2024-05-20_708598aaf6a1b3600ed25ec77815e595_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-20_708598aaf6a1b3600ed25ec77815e595_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-05-20_708598aaf6a1b3600ed25ec77815e595_cryptolocker
-
Size
53KB
-
MD5
708598aaf6a1b3600ed25ec77815e595
-
SHA1
05a4a8344b4d6e760a09c46741f5a3c6ff7a5eca
-
SHA256
bb1583a6e5ce0041dc68b84bd9b9ea9c8070c6673d0d423f353a7fd34803626e
-
SHA512
33064ca326ae3e5aa66b53f4d6c33f1058552e84cc8e0e8fff91b9996d05f88b7048c1f9418a551270525e0d5100bc2f6cc2f18074b892f0c7d9adfcd2ed1989
-
SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOkp:z6QFElP6n+gKmddpMOtEvwDpj31ikp
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 2024-05-20_708598aaf6a1b3600ed25ec77815e595_cryptolocker
Files
-
2024-05-20_708598aaf6a1b3600ed25ec77815e595_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