Behavioral task
behavioral1
Sample
2024-04-09_86db94f629bcefb412ae48316ce10646_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_86db94f629bcefb412ae48316ce10646_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-09_86db94f629bcefb412ae48316ce10646_cryptolocker
-
Size
31KB
-
MD5
86db94f629bcefb412ae48316ce10646
-
SHA1
e786a018233cc0f9472b6b7361c9a0e7003fdb38
-
SHA256
9b7bf11ad6844f94cad55c6b429f9357edd1a2cab698f44111a63f8b6dcbb075
-
SHA512
d12eb1a5fad7f788bf370c556ad09cb46f4b509ef04c582269d0d464268e2278742beb7c1f92bb256f050f3fd4f575d82d74e9ee8d3a8dde51c5954824c75e57
-
SSDEEP
768:bFPm5zusFUB2preAr+Ofjg0S16avdrQFiLjJvtQ:bFPmpiif/oc+vQ
Malware Config
Signatures
-
Detection of CryptoLocker Variants 2 IoCs
resource yara_rule sample CryptoLocker_rule2 static1/unpack001/out.upx CryptoLocker_rule2 -
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 2024-04-09_86db94f629bcefb412ae48316ce10646_cryptolocker unpack001/out.upx
Files
-
2024-04-09_86db94f629bcefb412ae48316ce10646_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: 28KB
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: 8KB - 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
.data Size: 3KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ