Behavioral task
behavioral1
Sample
2024-02-25_cb3765b556b6c7b8e26977d80f377836_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-25_cb3765b556b6c7b8e26977d80f377836_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-25_cb3765b556b6c7b8e26977d80f377836_cryptolocker
-
Size
83KB
-
MD5
cb3765b556b6c7b8e26977d80f377836
-
SHA1
34da2473fa2f65f6f400190f990021ec81af950c
-
SHA256
0373767b05e6eed87efd5e673d0bf0adf2a1795f4ff98bb8747a587775c518e7
-
SHA512
7b62b3ffca6e7cb6f79dd9bc9987461c81fbd043fd53b716312466894eac41a064d00fa089c15dc272bbba5e04b4052cec8f25d916d6270f93862360e49ab1d6
-
SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1Yna:zCsanOtEvwDpjx
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 2024-02-25_cb3765b556b6c7b8e26977d80f377836_cryptolocker
Files
-
2024-02-25_cb3765b556b6c7b8e26977d80f377836_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