Behavioral task
behavioral1
Sample
2024-01-25_b41c83efdfd2dff8e518e9aadef2dbaa_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-25_b41c83efdfd2dff8e518e9aadef2dbaa_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-25_b41c83efdfd2dff8e518e9aadef2dbaa_cryptolocker
-
Size
106KB
-
MD5
b41c83efdfd2dff8e518e9aadef2dbaa
-
SHA1
35f29dc91b965e2ae02809ea01a451d0fe248ff4
-
SHA256
aca114474d90bbbbf4255094ca2782c8c258aca17d95a834c946bd47bb965828
-
SHA512
7fb9f9131c77dd35ca7667bb13acb6c1aa80c65a369e0bf10a7e7ae0c608ec1b7d9fc85851f427b82386d8a0cb90001d8dd8de17e45872cd619814ba08089c41
-
SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksgEf:1nK6a+qdOOtEvwDpjR
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 2024-01-25_b41c83efdfd2dff8e518e9aadef2dbaa_cryptolocker
Files
-
2024-01-25_b41c83efdfd2dff8e518e9aadef2dbaa_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE