Behavioral task
behavioral1
Sample
1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe
Resource
win10v2004-20250217-en
General
-
Target
systembc_21660286308.zip
-
Size
7KB
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MD5
b9a26a1004231a38570d68d3bff3bb0f
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SHA1
d836f0499330529273cddbe8429d584ea42f849c
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SHA256
30e6ba1aa37273355fa7450df0ef28200209345eb54593e3cbf32847f719cc77
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SHA512
e24896e8a78c1f49f175e1de9e8a4116f4c3e85e0898383c99f65d122a6df8895c41c9dc64a6f34076ce716b756e923d7e915c8acef4f8a4a99e11b58a8ec6bc
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SSDEEP
192:Uv50d2vtCzOFmF5xhHyEBZ/EX3r0mQ+YONAX:UvtCDxtydnr0mQ+zK
Malware Config
Extracted
systembc
88.198.147.80:4174
78.47.64.46:4174
Signatures
-
Systembc family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a
Files
-
systembc_21660286308.zip.zip
Password: infected!!
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1aef94e54c1af9a8d0c4fa4cbdc602c025a2b10a097e87184ceb89e124d26e6a.exe windows:4 windows x86 arch:x86
Password: infected!!
801793b2be29822524e8824fc3c47535
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
SendMessageA
RegisterClassA
LoadIconA
LoadCursorA
GetWindowThreadProcessId
ShowWindow
GetMessageA
TranslateMessage
UpdateWindow
wsprintfA
GetClassNameA
EnumWindows
CreateWindowExA
DispatchMessageA
DefWindowProcA
GetWindowTextA
kernel32
LocalAlloc
OpenProcess
SetEvent
LocalFree
OpenMutexA
GetModuleHandleA
WriteFile
WaitForSingleObject
VirtualFree
VirtualAlloc
SystemTimeToFileTime
Sleep
CloseHandle
CreateEventA
CreateFileA
CreateMutexA
CreateThread
DeleteFileA
ExitProcess
FileTimeToSystemTime
GetCommandLineA
GetCommandLineW
GetCurrentProcess
GetCurrentProcessId
GetLocalTime
GetModuleFileNameA
GetVolumeInformationA
GetProcAddress
GetTempPathA
SetFilePointer
advapi32
GetSidSubAuthority
OpenProcessToken
GetTokenInformation
wsock32
WSAStartup
closesocket
connect
htons
ioctlsocket
recv
select
send
setsockopt
shutdown
socket
WSACleanup
shell32
CommandLineToArgvW
ws2_32
freeaddrinfo
WSAIoctl
getaddrinfo
ole32
CoUninitialize
CoInitialize
CoCreateInstance
secur32
GetUserNameExA
GetUserNameExW
psapi
GetModuleFileNameExA
Sections
.text Size: 8KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 576B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 512B - Virtual size: 386B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ