Behavioral task
behavioral1
Sample
730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4.exe
Resource
win10v2004-20240226-en
General
-
Target
730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4
-
Size
80KB
-
MD5
5fe6daa399b18058f9b7e58fe31b4131
-
SHA1
1ed39024b03b3490049b4d6f2577ca36e18b405a
-
SHA256
730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4
-
SHA512
31baf91130c7e932068e12fec6dfde7ad283487b9f01b92e64835cf91aba1c4f51602066994a8200b73d219e6ea82929cde1f11ca82fb2a48af90418e57e324c
-
SSDEEP
1536:AnICS4A79p2qFTM2HT02F4mHI5myK9IXU:PpOqFQ2HT025HWK9I
Malware Config
Extracted
blackmatter
2.0
3e8e2ab5fbb392508535983b7446ba17
https://fluentzip.org
http://fluentzip.org
-
attempt_auth
false
-
create_mutex
true
-
encrypt_network_shares
true
-
exfiltrate
true
-
mount_volumes
true
Signatures
-
Blackmatter family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4
Files
-
730f2d6243055c786d737bae0665267b962c64f57132e9ab401d6e7625c3d0a4.exe windows:5 windows x86 arch:x86
31485670ea3fb2592f59a341251d0e8c
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
gdi32
GetPixel
SetTextColor
SetPixel
SetDCBrushColor
SelectObject
GetTextMetricsW
GetTextColor
GetTextCharset
BitBlt
user32
CreateDialogParamW
CreateMenu
CreateWindowExW
DefWindowProcW
GetDlgItemTextW
GetKeyNameTextW
IsDlgButtonChecked
LoadImageW
LoadMenuW
kernel32
GetFileAttributesW
SetLastError
LoadLibraryW
GetProcAddress
GetModuleHandleA
FreeLibrary
GetDateFormatW
GetCommandLineA
GetAtomNameW
Sections
.text Size: 67KB - Virtual size: 66KB
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: 4KB - Virtual size: 8KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ