MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d916ddfc50ccf11e01c694f757c39eac4249222c2ebaddea2dfe9f58fac70f6. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments

SHA256 hash: 1d916ddfc50ccf11e01c694f757c39eac4249222c2ebaddea2dfe9f58fac70f6
SHA3-384 hash: 2fd3c77395cedf4616f0356f9febd76f7c9654a51c31aef5b6ac906614f2103c32d273e4d6e70bb7a7503b59db441d07
SHA1 hash: 82132fee18481efe5bb33ccbfe5c0e25036f13aa
MD5 hash: faff4b61432c892dddbb4bd562056f19
humanhash: cold-ack-artist-shade
File name:faff4b61432c892dddbb4bd562056f19.exe
Download: download sample
Signature zgRAT
File size:1'754'168 bytes
First seen:2024-01-31 10:34:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:4jF93LkcJ4O4hqgg9ma/Q7mrQOSF61A9mb9:4jn3fNmAQ7oCEmU
Threatray 14 similar samples on MalwareBazaar
TLSH T1C485015263924AA2C7A46735D6A75B000761FA73A1B3C30767CA62E914073FF9FA1F07
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe zgRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
250
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1d916ddfc50ccf11e01c694f757c39eac4249222c2ebaddea2dfe9f58fac70f6.exe
Verdict:
Malicious activity
Analysis date:
2024-01-31 10:41:37 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay 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
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contain functionality to detect virtual machines
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to prevent local Windows debugging
Drops PE files to the startup folder
Drops VBS files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1383928 Sample: 7nwLP8vlHl.exe Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 49 time.windows.com 2->49 51 mystictesting.com 2->51 53 2 other IPs or domains 2->53 69 Multi AV Scanner detection for domain / URL 2->69 71 Antivirus detection for URL or domain 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 12 other signatures 2->75 9 7nwLP8vlHl.exe 4 2->9         started        13 wscript.exe 1 2->13         started        15 start.exe 2->15         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\RuntimeBroker.exe, PE32 9->45 dropped 47 C:\Users\user\AppData\...\RuntimeBroker.vbs, ASCII 9->47 dropped 77 Drops VBS files to the startup folder 9->77 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->79 81 Writes to foreign memory regions 9->81 87 2 other signatures 9->87 17 MSBuild.exe 2 9->17         started        83 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->83 85 Suspicious execution chain found 13->85 21 RuntimeBroker.exe 3 13->21         started        23 conhost.exe 15->23         started        signatures6 process7 file8 41 C:\Users\user\AppData\Roaming\install.exe, PE32 17->41 dropped 43 C:\Users\user\AppData\Roaming\...\start.exe, PE32 17->43 dropped 57 Drops PE files to the startup folder 17->57 59 Allocates memory in foreign processes 17->59 61 Injects a PE file into a foreign processes 17->61 25 RegAsm.exe 6 17->25         started        63 Multi AV Scanner detection for dropped file 21->63 65 Machine Learning detection for dropped file 21->65 67 Writes to foreign memory regions 21->67 29 MSBuild.exe 21->29         started        signatures9 process10 dnsIp11 55 mystictesting.com 104.21.72.242, 443, 49705, 49706 CLOUDFLARENETUS United States 25->55 89 Contain functionality to detect virtual machines 25->89 91 Contains functionality to prevent local Windows debugging 25->91 93 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 25->93 31 WerFault.exe 22 16 25->31         started        95 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 29->95 97 Writes to foreign memory regions 29->97 99 Allocates memory in foreign processes 29->99 101 Injects a PE file into a foreign processes 29->101 33 WerFault.exe 21 29->33         started        35 RegAsm.exe 29->35         started        37 WerFault.exe 29->37         started        39 WerFault.exe 29->39         started        signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.Smokeloader
Status:
Malicious
First seen:
2024-01-31 08:19:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Drops startup file
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
1d916ddfc50ccf11e01c694f757c39eac4249222c2ebaddea2dfe9f58fac70f6
MD5 hash:
faff4b61432c892dddbb4bd562056f19
SHA1 hash:
82132fee18481efe5bb33ccbfe5c0e25036f13aa
Detections:
Typical_Malware_String_Transforms
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:Check_Debugger
Rule name:Check_VBox_Guest_Additions
Rule name:CMD_Shutdown
Author:adm1n_usa32
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

zgRAT

Executable exe 1d916ddfc50ccf11e01c694f757c39eac4249222c2ebaddea2dfe9f58fac70f6

(this sample)

  
Delivery method
Distributed via web download

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