Behavioral task
behavioral1
Sample
2024-03-19_48514d5e50bae3a218d7ac5f6a93363c_virlock.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-03-19_48514d5e50bae3a218d7ac5f6a93363c_virlock.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-19_48514d5e50bae3a218d7ac5f6a93363c_virlock
-
Size
132KB
-
MD5
48514d5e50bae3a218d7ac5f6a93363c
-
SHA1
8a9199b905d9ec8c65bd8986ee849c8bbb37a77f
-
SHA256
e0e6f73ac3ddf9d87e72c46c2f63922eace9bce0af817a7d875ce58c9ca9a9fd
-
SHA512
78f8d7612b5f7e36c59102f0d97059d50699fed4aa7b3e2a09f34845eb36573dc06ad9cbd0fcb4f2653c4ab83869aaeec74a4afc0937ec4274351cb6eb53b570
-
SSDEEP
3072:Uh/3ce84DvjSGp4Vl1e3my3o2KzOOa4RctkgRnjlySGD1qNN:Uh/3EO+PI3ho/zOntkgRnjly7S
Malware Config
Signatures
-
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 2024-03-19_48514d5e50bae3a218d7ac5f6a93363c_virlock unpack001/out.upx
Files
-
2024-03-19_48514d5e50bae3a218d7ac5f6a93363c_virlock.exe windows:4 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: 80KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 131KB - Virtual size: 132KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX2 Size: 512B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 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: 200KB - Virtual size: 200KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE