MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11c509649c391209ce09bc178ebffcfc7cbfcf038ce699aebfd1303191c136aa. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



SystemBC


Vendor detections: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: 11c509649c391209ce09bc178ebffcfc7cbfcf038ce699aebfd1303191c136aa
SHA3-384 hash: e87a597d3e2ae2ec9ff4c72e23314d3e3b25772ae9b660b2beca47f065018a583e0ea7a15f80e71302bcf05a8e2b2a0f
SHA1 hash: bdb4d8572ef6f4a48fa0b5d9d6988bd6ac73db30
MD5 hash: ecd0928e717ce95b2918b50460813db7
humanhash: april-high-gee-oklahoma
File name:B4286BCE9138F9C8FFF9F8FC2EB4DCDA9D48AF83C62CF5EA03DE48F862B301D9.exe
Download: download sample
Signature SystemBC
File size:253'952 bytes
First seen:2024-07-24 20:33:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a945bbba5e19a9f29aa1458bdc91ed8a (6 x Smoke Loader, 6 x SystemBC, 5 x Worm.Ramnit)
ssdeep 3072:cLiOmI5XFUfxR14JisxsyCz8Q5bPdO4OyGCH:i1mmUeJZjeFe
TLSH T1D944D0237A80C072C48B253274A5CAB59F7BA53183B7454B77B91BBE3F203D156B934A
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 5c599a3c60c3c850 (20 x RedLineStealer, 14 x Stop, 13 x Smoke Loader)
Reporter Anonymous
Tags:exe SystemBC


Avatar
Anonymous
this malware sample is very nasty!

Intelligence


File Origin
# of uploads :
1
# of downloads :
334
Origin country :
CN CN
Vendor Threat Intelligence
Malware family:
systembc
ID:
1
File name:
11c509649c391209ce09bc178ebffcfc7cbfcf038ce699aebfd1303191c136aa.exe
Verdict:
Malicious activity
Analysis date:
2024-07-25 15:45:24 UTC
Tags:
bdaejec systembc ip-check aspack proxy botnet

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
Execution Generic Network Static Stealth Trojan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Changing an executable file
Creating a window
Sending an HTTP GET request to an infection source
Сreating synchronization primitives
Modifying an executable file
Creating a file
Creating a file in the Windows subdirectories
Searching for synchronization primitives
Adding an access-denied ACE
Running batch commands
Creating a process with a hidden window
Connection attempt
Query of malicious DNS domain
Connection attempt to an infection source
Infecting executable files
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint lolbin microsoft_visual_cc shell32
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Bdaejec, SystemBC
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May use the Tor software to hide its network traffic
PE file contains section with special chars
PE file has a writeable .text section
Tries to detect virtualization through RDTSC time measurements
Uses known network protocols on non-standard ports
Yara detected Bdaejec
Yara detected SystemBC
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1480723 Sample: B4286BCE9138F9C8FFF9F8FC2EB... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 47 ddos.dnsnb8.net 2->47 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 12 other signatures 2->67 9 B4286BCE9138F9C8FFF9F8FC2EB4DCDA9D48AF83C62CF5EA03DE48F862B301D9.exe 5 2->9         started        13 rasoe.exe 1 2->13         started        signatures3 process4 dnsIp5 37 C:\Users\user\AppData\Local\Temp\bGfoJD.exe, PE32 9->37 dropped 39 C:\ProgramData\punai\rasoe.exe, PE32 9->39 dropped 41 C:\ProgramData\...\rasoe.exe:Zone.Identifier, ASCII 9->41 dropped 69 Detected unpacking (changes PE section rights) 9->69 71 Detected unpacking (overwrites its own PE header) 9->71 73 Found evasive API chain (may stop execution after checking mutex) 9->73 75 Tries to detect virtualization through RDTSC time measurements 9->75 16 bGfoJD.exe 14 9->16         started        21 WerFault.exe 21 16 9->21         started        49 31.44.185.11, 4001, 49728, 49733 PINDC-ASRU Russian Federation 13->49 51 31.44.185.6, 4001, 49723, 49730 PINDC-ASRU Russian Federation 13->51 43 C:\Windows\Temp\bGfoJD.exe, PE32 13->43 dropped 77 Antivirus detection for dropped file 13->77 79 Machine Learning detection for dropped file 13->79 23 bGfoJD.exe 1 29 13->23         started        file6 signatures7 process8 dnsIp9 45 ddos.dnsnb8.net 44.221.84.105, 49710, 49713, 49714 AMAZON-AESUS United States 16->45 31 C:\Program Files\7-Zip\Uninstall.exe, PE32 16->31 dropped 33 C:\Program Files (x86)\AutoIt3\...\SciTE.exe, PE32 16->33 dropped 35 C:\Program Files (x86)\AutoIt3\...\MyProg.exe, MS-DOS 16->35 dropped 53 Antivirus detection for dropped file 16->53 55 Detected unpacking (changes PE section rights) 16->55 57 Machine Learning detection for dropped file 16->57 59 Infects executable files (exe, dll, sys, html) 16->59 25 WerFault.exe 22 16 16->25         started        27 cmd.exe 1 23->27         started        file10 signatures11 process12 process13 29 conhost.exe 27->29         started       
Threat name:
Win32.Virus.Wapomi
Status:
Malicious
First seen:
2024-07-24 20:34:14 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
36 of 38 (94.74%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
systembc
Score:
  10/10
Tags:
family:systembc aspackv2 discovery trojan
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
SystemBC
Malware Config
C2 Extraction:
31.44.185.6:4001
31.44.185.11:4001
Unpacked files
SH256 hash:
b432805eb6b2b58dd957481aa8a973be58915c26c04630ce395753c6a5196b14
MD5 hash:
5403c11319b16a89e7665141f8bff9fb
SHA1 hash:
9c9ae4bdf521749f23267644e7346f7ee2ad98ab
Detections:
SystemBC win_systembc_g1 EXT_MAL_SystemBC_Mar22_1 SystemBC_Config win_systembc_20220311 MiniTor
SH256 hash:
0538100f59a36eb0d3b1b65f04610967886d96ea1debaa226a14cdc2565042f8
MD5 hash:
35a693fb62ef623c96e8e404243559c8
SHA1 hash:
5960644ae53068442475d9f8d9742fc2d965874d
Detections:
win_unidentified_045_auto win_unidentified_045_g0
SH256 hash:
11c509649c391209ce09bc178ebffcfc7cbfcf038ce699aebfd1303191c136aa
MD5 hash:
ecd0928e717ce95b2918b50460813db7
SHA1 hash:
bdb4d8572ef6f4a48fa0b5d9d6988bd6ac73db30
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

SystemBC

Executable exe 11c509649c391209ce09bc178ebffcfc7cbfcf038ce699aebfd1303191c136aa

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleWindowInfo
KERNEL32.dll::GetConsoleAliasesA
KERNEL32.dll::GetConsoleTitleA
KERNEL32.dll::GetConsoleAliasesLengthW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::MoveFileW
KERNEL32.dll::ReplaceFileA

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