MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d. 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



zgRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: 784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d
SHA3-384 hash: 383d847c336383c21a73e07f27ef7455ed81c42923f67585aa0bc9d2abaacd5bbcc9bedafed6b826258962164a536e85
SHA1 hash: c38360ef0e8acb8f34ebe713ab83ce85cf3fe503
MD5 hash: 9d82dc826bcac1bdd4c41bf79577af27
humanhash: virginia-hawaii-indigo-papa
File name:9d82dc826bcac1bdd4c41bf79577af27
Download: download sample
Signature zgRAT
File size:646'144 bytes
First seen:2024-04-16 10:12:41 UTC
Last seen:2024-04-16 10:27:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:Wl5v7S6ME10osQYaJMbc9x+U6moHOLLZUEUUFMANepGEZArfRGdLc:oV+3E10WYaWAH+DHOL4TefRGdLc
TLSH T112D423802F99547ED7475F328CC0646063F5B5352F83EA92E429BBDA25A80FC8905B7F
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:64 exe zgRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
379
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d.exe
Verdict:
Malicious activity
Analysis date:
2024-04-16 10:15:41 UTC
Tags:
miner zgrat pureminer xmrig

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file
Deleting a recently created file
Launching a process
Creating a process from a recently created file
Moving a file to the Program Files subdirectory
Replacing files
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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:
PureLog Stealer, Xmrig, zgRAT
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Detected Stratum mining protocol
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Xmrig
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1426620 Sample: cybXkFC5nF.exe Startdate: 16/04/2024 Architecture: WINDOWS Score: 100 32 s3.filebin.net 2->32 34 xmr.2miners.com 2->34 36 3 other IPs or domains 2->36 44 Sigma detected: Xmrig 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 18 other signatures 2->50 8 TypeId.exe 3 2->8         started        11 cybXkFC5nF.exe 6 2->11         started        14 powershell.exe 23 2->14         started        16 2 other processes 2->16 signatures3 process4 file5 60 Antivirus detection for dropped file 8->60 62 Multi AV Scanner detection for dropped file 8->62 64 Machine Learning detection for dropped file 8->64 72 3 other signatures 8->72 18 RegAsm.exe 16 2 8->18         started        30 C:\Users\user\AppData\Roaming\...\TypeId.exe, PE32+ 11->30 dropped 66 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 11->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->68 70 Loading BitLocker PowerShell Module 14->70 22 conhost.exe 14->22         started        24 WmiPrvSE.exe 14->24         started        signatures6 process7 dnsIp8 38 puredns.o7lab.me 91.92.255.15, 39001, 49730, 49731 THEZONEBG Bulgaria 18->38 40 pong.filebin.net 88.99.137.18, 443, 49732, 49734 HETZNER-ASDE Germany 18->40 52 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->52 54 Found strings related to Crypto-Mining 18->54 56 Writes to foreign memory regions 18->56 58 2 other signatures 18->58 26 AddInProcess.exe 18->26         started        signatures9 process10 dnsIp11 42 xmr.2miners.com 162.19.139.184, 2222, 49741 CENTURYLINK-US-LEGACY-QWESTUS United States 26->42 74 Query firmware table information (likely to detect VMs) 26->74 signatures12 76 Detected Stratum mining protocol 42->76
Threat name:
ByteCode-MSIL.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-04-16 10:13:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig family:zgrat miner rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
XMRig Miner payload
Detect ZGRat V1
ZGRat
xmrig
Unpacked files
SH256 hash:
784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d
MD5 hash:
9d82dc826bcac1bdd4c41bf79577af27
SHA1 hash:
c38360ef0e8acb8f34ebe713ab83ce85cf3fe503
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:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

Web download

zgRAT

Executable exe 784233bc80ea7857c39dbcd9c929a626093fced8c54224e742c4d0e1d128e80d

(this sample)

  
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



Avatar
zbet commented on 2024-04-16 10:12:43 UTC

url : hxxp://blue.o7lab.me/svchost.exe