MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155
SHA3-384 hash: df257f133b2a465aa936b7978f30558f4c22e26c41aed81e9816eabec26140567628fcddf134f7ae2e595568f37c97b9
SHA1 hash: e60856379a003e393e6326b94b0698fa0eed1dd8
MD5 hash: 26ef4aefee21fdc4379e678f1fe3ceef
humanhash: cat-uniform-crazy-johnny
File name:file
Download: download sample
Signature SystemBC
Create hunting rule
File size:4'431'872 bytes
First seen:2024-06-09 16:54:18 UTC
Last seen:2024-06-09 17:22:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:JHil3/cLqLsJd/YXra2060aDrJ74Pw5cHuxXSiEH2jwsoSLQ5I+ZI29Yd/PhbdDi:
Threatray 5'257 similar samples on MalwareBazaar
TLSH T1C52628F4A0EB85D1F8079DC069A8BE97067235B3DDC90C25272D7A040FAED993A49D4F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Bitsight
Tags:exe SystemBC


Avatar
Bitsight
url: https://vk.com/doc461844031_680281917?hash=ZPleaal1Xy0E2KGjkVUWHSMLFJWNUMz1KxeyNrehkcD&dl=cHHFA3cM0nuOZwqXhqjLQZfB3PEOXKTzJTd4CIY3mBX&api=1&no_preview=1#sound

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155.exe
Verdict:
Malicious activity
Analysis date:
2024-06-09 16:57:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6dd2e6b1-495e-4558-9715-2f50016c9735

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=666705045c0e232c1ff020c6win7simulatehigh_evasion
Tags:
Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155
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.
Malware family:
SystemBC
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fceb15b3-8cb9-490c-a70a-adb495f6943f
Result
Threat name:
PureLog Stealer, SystemBC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454270
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected SystemBC
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1454270 Sample: file.exe Startdate: 09/06/2024 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 9 other signatures 2->45 6 file.exe 1 5 2->6         started        10 Erddbfj.exe 3 2->10         started        12 takpfsl.exe 3 2->12         started        14 2 other processes 2->14 process3 file4 33 C:\Users\user\AppData\Roamingrddbfj.exe, PE32 6->33 dropped 35 C:\Users\user\...rddbfj.exe:Zone.Identifier, ASCII 6->35 dropped 37 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 6->37 dropped 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->47 49 Tries to detect virtualization through RDTSC time measurements 6->49 16 file.exe 4 6->16         started        51 Multi AV Scanner detection for dropped file 10->51 53 Machine Learning detection for dropped file 10->53 55 Injects a PE file into a foreign processes 10->55 19 Erddbfj.exe 3 10->19         started        21 takpfsl.exe 12->21         started        23 Erddbfj.exe 14->23         started        signatures5 process6 file7 25 C:\ProgramData\nfgntvs\takpfsl.exe, PE32 16->25 dropped 27 C:\...\takpfsl.exe:Zone.Identifier, ASCII 16->27 dropped 29 C:\ProgramData\dvcetnd\muka.exe, PE32 19->29 dropped 31 C:\ProgramData\...\muka.exe:Zone.Identifier, ASCII 19->31 dropped
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-06-09 16:55:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygytwxim7qhmwdif7dmvzszrnacbgx6ituxop6nyp6r7dxeg6fkq._file
Verdict:
malicious
Similar samples:
2a497d868db198a4c655016c3d9c1dacdd810e2aef8d8f15bf2051e15945e09d
SystemBC
46d173aae9169713594b60432c48e12d02cbaf815a3a86531275a6712a82fab6
SystemBC
495c76a1f5b27c1d1dd4c02a2d6b14c33f02f7fff1d4720e9f751055f9dd9a51
SystemBC
cb6670f4f7b6a07c25f521019626dbd56cd7a2d4ffbb754769a3dc0e4fe713ec
SystemBC
d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
SystemBC
+ 5'247 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240609-vlgtqacg3s/
Unpacked files
SH256 hash:
fbe0c51359b32cc1ea46d7af83376d41a6ea4e77ebd7fe4de926a6a28e46d42c
MD5 hash:
c6151a8ff9efab76b1eb67516a7b803d
SHA1 hash:
675978252698a5c32fda736910fb8c095e701aa3
Link:
https://www.unpac.me/results/e712573e-0e64-41c1-b13f-5154bc24889f/
SH256 hash:
c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155
MD5 hash:
26ef4aefee21fdc4379e678f1fe3ceef
SHA1 hash:
e60856379a003e393e6326b94b0698fa0eed1dd8
Link:
https://www.unpac.me/results/e712573e-0e64-41c1-b13f-5154bc24889f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
SystemBC
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:win_systembc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.systembc.

File information

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

Web download

SystemBC

Executable exe c1b13b5d0cfc0ecb0d05f8d95ccb316804135fc89d2ee7f9b87fa3f1dc86f155

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

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 (GUARD_CF)high

Comments