Behavioral task
behavioral1
Sample
440850f3dfa829791d490138180e6754_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
440850f3dfa829791d490138180e6754_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
-
Target
440850f3dfa829791d490138180e6754_cryptolocker_JC.exe
-
Size
87KB
-
MD5
440850f3dfa829791d490138180e6754
-
SHA1
2e8913318e07853d97865ecfd9c43f64917ea414
-
SHA256
627670035fbb36e391e5cf6ecf985484cfa45c19580a0f0afb617a9b828d577d
-
SHA512
90572d070537c31609609fbdcbd9695a7e8cd440750e766349d2c8aae6577259aa68315aaaa9d488bfb3ef91cafda28f946cf15c8b0aba024dbe13d8121cff5c
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNuRWI:AnBdOOtEvwDpj6zg1
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 440850f3dfa829791d490138180e6754_cryptolocker_JC.exe unpack001/out.upx
Files
-
440850f3dfa829791d490138180e6754_cryptolocker_JC.exe.exe windows 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: 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
-
out.upx.exe windows 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
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ