Behavioral task
behavioral1
Sample
2024-05-10_a61b5b94e8d21d920f13cdf81564eae4_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-10_a61b5b94e8d21d920f13cdf81564eae4_cryptolocker.exe
Resource
win10v2004-20240426-en
General
-
Target
2024-05-10_a61b5b94e8d21d920f13cdf81564eae4_cryptolocker
-
Size
99KB
-
MD5
a61b5b94e8d21d920f13cdf81564eae4
-
SHA1
ba41e066353c6f0e8cd4af517ae0bf91de229c4e
-
SHA256
4c50c1fed25eba23532d8e8e5c46e6c42dd25ef324b05cd678b8e8198274729a
-
SHA512
043d3aa5cb25dc618b6b7b13963d39c2aa6393d950c50c003f2f4904746f4d0301f5a62e398d283b683efca8882bf10c1e6f2d77f7387ab4d8a965c5e5d7a93b
-
SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiX2:z6a+CdOOtEvwDpjcq
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 2024-05-10_a61b5b94e8d21d920f13cdf81564eae4_cryptolocker
Files
-
2024-05-10_a61b5b94e8d21d920f13cdf81564eae4_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