Behavioral task
behavioral1
Sample
537f0996a50a8fa524d47cf481db8adb_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
537f0996a50a8fa524d47cf481db8adb_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
-
Target
537f0996a50a8fa524d47cf481db8adb_cryptolocker_JC.exe
-
Size
32KB
-
MD5
537f0996a50a8fa524d47cf481db8adb
-
SHA1
9c456fec15e7a9fad3671dce18392fd8226794bd
-
SHA256
7c00c5731d7d1b05697ff43854226bf598a4b1a0c47dea0e39e40ea6a7f5e4c7
-
SHA512
a3de1b8cf9387444eac702b9a14ae4734939bc0a271ddc9683b172b4e3ad86bd2f3fac974c0676f0c887458823ea949f8d7b1d1cc74d69722c8918cb83e4937d
-
SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLa7o1m:qUmnpomddpMOtEvwDpjjaem
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 537f0996a50a8fa524d47cf481db8adb_cryptolocker_JC.exe unpack001/out.upx
Files
-
537f0996a50a8fa524d47cf481db8adb_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