MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169. 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: 11


Intelligence 11 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169
SHA3-384 hash: df248cadf97583ae011d016c36e7d0f80cb71ca9cd740eba5870ab5b832a69f0f30d09f4ac19982b27049c398b14934d
SHA1 hash: e34f9f1c622a7e6d3cb34217b0935ebdaab8ebe9
MD5 hash: 133fda00a490e613f3a6c511c1c660eb
humanhash: seven-carpet-lima-zulu
File name:133fda00a490e613f3a6c511c1c660eb
Download: download sample
Signature SystemBC
Create hunting rule
File size:4'720'128 bytes
First seen:2024-05-15 01:21:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ypPiRcjGOOiX3Sl9L7MupXdagdle6whTeo5A4T9W+xjaCsyfwUmvHX+ODvz8JQDm:
TLSH T1B4262BF8A1AB85D1F8079DC56968BE97027230B3CED50C24133C7A441FBA9997A4DE4F
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 zbetcheckin
Tags:32 exe SystemBC

Intelligence

File Origin
# of uploads :
1
# of downloads :
548
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169.exe
Verdict:
Malicious activity
Analysis date:
2024-05-15 01:23:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cb7a96a0-84ac-4155-92e4-d8f46037cd9c

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

Win.Packed.Gamarue-10029963-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file in the %AppData% directory
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Launching a process
Creating a file in the system32 subdirectories
Forced system process termination
Setting browser functions hooks
Possible injection to a system process
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169
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/5dbdbb5a-91e0-4b30-8a12-0f039c79cd94
Result
Threat name:
PureLog Stealer, SystemBC
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441717
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Drops VBS files to the startup folder
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Send many emails (e-Mail Spam)
Sigma detected: Drops script at startup location
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: WScript or CScript Dropper
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to resolve many domain names, but no domain seems valid
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected SystemBC
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441717 Sample: vm6XYZzWOd.exe Startdate: 15/05/2024 Architecture: WINDOWS Score: 100 53 smtp.schule.at 2->53 55 mx1.hspherefilter.com 2->55 57 3 other IPs or domains 2->57 81 Found malware configuration 2->81 83 Antivirus detection for URL or domain 2->83 85 Multi AV Scanner detection for dropped file 2->85 87 15 other signatures 2->87 10 powershell.exe 2 15 2->10         started        13 vm6XYZzWOd.exe 1 8 2->13         started        signatures3 process4 file5 93 Writes to foreign memory regions 10->93 95 Modifies the context of a thread in another process (thread injection) 10->95 97 Found suspicious powershell code related to unpacking or dynamic code loading 10->97 99 Injects a PE file into a foreign processes 10->99 16 dllhost.exe 1 10->16         started        19 conhost.exe 10->19         started        45 C:\Users\user\AppData\...\$77Kaxhwswfup.exe, PE32 13->45 dropped 47 C:\Users\user\AppData\Local\Temp\$77a3a3b4, PE32 13->47 dropped 49 C:\Users\user\AppData\Local\Temp\$778e373e, PE32 13->49 dropped 51 C:\Users\user\AppData\...\$77Kaxhwswfup.vbs, ASCII 13->51 dropped 101 Drops VBS files to the startup folder 13->101 103 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->103 21 $778e373e 13->21         started        24 $77a3a3b4 1 13->24         started        signatures6 process7 dnsIp8 71 Injects code into the Windows Explorer (explorer.exe) 16->71 73 Contains functionality to inject code into remote processes 16->73 75 Writes to foreign memory regions 16->75 79 3 other signatures 16->79 26 lsass.exe 16->26 injected 29 svchost.exe 16->29 injected 31 svchost.exe 16->31 injected 34 29 other processes 16->34 59 zing.vn 120.138.68.152, 587 VINAGAME-AS-VNVNGCorporationVN Viet Nam 21->59 61 smtp.ciudad.com.ar 200.42.138.135, 587 TelecomArgentinaSAAR Argentina 21->61 63 101 other IPs or domains 21->63 77 Multi AV Scanner detection for dropped file 21->77 signatures9 process10 dnsIp11 105 Writes to foreign memory regions 26->105 36 wscript.exe 1 26->36         started        107 System process connects to network (likely due to code injection or exploit) 29->107 65 zing.vn 31->65 67 yomar.ma 31->67 69 420 other IPs or domains 31->69 signatures12 process13 signatures14 89 Windows Scripting host queries suspicious COM object (likely to drop second stage) 36->89 39 $77Kaxhwswfup.exe 36->39         started        process15 file16 43 C:\Users\user\AppData\Local\Temp\$77eec42d, PE32 39->43 dropped 91 Multi AV Scanner detection for dropped file 39->91 signatures17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169/
Threat name:
Win32.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 22:04:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zlaak2zdve2rtjpu4utokimh6n5yqnz4o2vamw47rfor5tkpifuq._file
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat evasion rat
Link:
https://tria.ge/reports/240515-bq8nfsab3w/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
Modifies security service
Suspicious use of NtCreateProcessExOtherParentProcess
Suspicious use of NtCreateUserProcessOtherParentProcess
ZGRat
Unpacked files
SH256 hash:
9b95bc98a41399bcec9834481eaab8a7b08abb01bf389b7579373cca23eba02c
MD5 hash:
24bbf0b68e4c19acfacf8816ce2afc1a
SHA1 hash:
b081c261f36b735d03add6552651988de925caa1
Link:
https://www.unpac.me/results/e0f88f53-b4c1-43d1-b137-54af7a714016/
SH256 hash:
cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169
MD5 hash:
133fda00a490e613f3a6c511c1c660eb
SHA1 hash:
e34f9f1c622a7e6d3cb34217b0935ebdaab8ebe9
Link:
https://www.unpac.me/results/e0f88f53-b4c1-43d1-b137-54af7a714016/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cac0056b23a9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169

File information

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

Web download

SystemBC

Executable exe cac0056b23a93519a5f4e526e52187f37b88373c76aa065b9f895d1ecd4f4169

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2850393/

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


Avatar
zbet commented on 2024-05-15 01:21:17 UTC

url : hxxp://5.42.96.7/lend/Kaxhwswfup.exe