Behavioral task
behavioral1
Sample
2024-01-01_8a427c004540a6d68389a8a16ac754d0_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-01_8a427c004540a6d68389a8a16ac754d0_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-01-01_8a427c004540a6d68389a8a16ac754d0_cryptolocker
-
Size
91KB
-
MD5
8a427c004540a6d68389a8a16ac754d0
-
SHA1
f288af6bdbcee379459bca63e3f6588b4e43de28
-
SHA256
4088fb2a376fde411bd113fe9f41fcd566652ba1f674649b359a8017c5cf8146
-
SHA512
58d9984f1af04c0cfaeb3540f7d0bc9fd3b578e700fb4b2f53bba2ec32f83fe4561db39ea4b35b43be0f030e08597ea42fd29749c95bfe5b20694bbcdd40b370
-
SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwb2:AnBdOOtEvwDpj6zu
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 2024-01-01_8a427c004540a6d68389a8a16ac754d0_cryptolocker unpack001/out.upx
Files
-
2024-01-01_8a427c004540a6d68389a8a16ac754d0_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: 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: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
.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