Behavioral task
behavioral1
Sample
2024-04-29_7ac8dc5a9c54ff1ee137147b3bed22b4_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-04-29_7ac8dc5a9c54ff1ee137147b3bed22b4_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-04-29_7ac8dc5a9c54ff1ee137147b3bed22b4_cryptolocker
-
Size
68KB
-
MD5
7ac8dc5a9c54ff1ee137147b3bed22b4
-
SHA1
8ec40c5dc3bf096dfdebf74076d90eefcfe8ff02
-
SHA256
8bf2814ae6a09727cee9dcc7b968a6eb23b59d8859e40f4491eb79acb3d208c5
-
SHA512
eb71b18d4fd408a71332066382e3a89b1033158d1089f4324a4212d8ce2af015a6d470dda681cc933eaaa0f96aa7d7cb80adee89a8a68c468a7c5abcd83b429a
-
SSDEEP
1536:quJu9cvMOtEvwDpjWYTjipvF2bx1PQAp7:78SEOtEvwDpjWYvQd2PV
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
Detection of Cryptolocker Samples 2 IoCs
resource yara_rule sample CryptoLocker_set1 static1/unpack001/out.upx CryptoLocker_set1 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-04-29_7ac8dc5a9c54ff1ee137147b3bed22b4_cryptolocker unpack001/out.upx
Files
-
2024-04-29_7ac8dc5a9c54ff1ee137147b3bed22b4_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
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - 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
-
out.upx.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
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ