Behavioral task
behavioral1
Sample
2024-03-19_fb82ae7af6bc08c5961f9811a275136a_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-19_fb82ae7af6bc08c5961f9811a275136a_virlock.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-03-19_fb82ae7af6bc08c5961f9811a275136a_virlock
-
Size
193KB
-
MD5
fb82ae7af6bc08c5961f9811a275136a
-
SHA1
6c573492fecf52d3db99e602ded1e0b389355bcb
-
SHA256
3f7a79fd82a712a966335477c8cae9a25e743faf869e374bad7450f9fc19ebb1
-
SHA512
189b78f96a315d2dfbcd67b45914f9606f7cb4f071897f4c692851af396b7b61df9123783c49a74817982da28f9c5940273f3eee0a7f4481b887b8346af57db3
-
SSDEEP
3072:pceBnTdDCF0pNhW+qgaj/lAlw/0OnOsT6PIL+lVU3/Fkg+hXYAtokCBhbOcExoL2:aHkNY+qljdAKFROPdevp+dYBZTOceCI
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_fb82ae7af6bc08c5961f9811a275136a_virlock unpack001/out.upx
Files
-
2024-03-19_fb82ae7af6bc08c5961f9811a275136a_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: 120KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 191KB - Virtual size: 192KB
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: 300KB - Virtual size: 299KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 512B - Virtual size: 512B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE