Behavioral task
behavioral1
Sample
87a3869807657bc7ac74c9756be72530_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
87a3869807657bc7ac74c9756be72530_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
-
Target
87a3869807657bc7ac74c9756be72530_cryptolocker_JC.exe
-
Size
79KB
-
MD5
87a3869807657bc7ac74c9756be72530
-
SHA1
58f8c5f57d1aff11eacf64deef9b30f461fcc030
-
SHA256
99b108609a12d64092c9d40b8cd3c8b6ece97e1f95fe6880be93473ef3e610e8
-
SHA512
c6f33cc6119840f953a5ad9e7fc642aa2b9c7b4034f731dedd1cf6b5767a9d8974e7433115b899aff1d8426fef8e38f0c50ba7e1ba085cfd14446ff555c14dbc
-
SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoId:qkmnpomddpMOtEvwDpjJGYQbN/PKwMd
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 87a3869807657bc7ac74c9756be72530_cryptolocker_JC.exe unpack001/out.upx
Files
-
87a3869807657bc7ac74c9756be72530_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