MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fc4b31a1488f9b2c8211669fa3fa97b723e40cabed7195b9c745357588bc3e9. 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 10 File information Comments 1

SHA256 hash: 7fc4b31a1488f9b2c8211669fa3fa97b723e40cabed7195b9c745357588bc3e9
SHA3-384 hash: a9f1b0f91010e0a33720b89037fb87554b620391281f2889a8f6047babbb025230151047eddcd9632c6c19ebdab4351c
SHA1 hash: 6b2fea5d330a9c366a220600665a8aab6923e98b
MD5 hash: 9a41dc2febd5e5a6f688a9de5c4f858a
humanhash: sierra-maine-victor-beryllium
File name:9a41dc2febd5e5a6f688a9de5c4f858a
Download: download sample
Signature zgRAT
File size:2'573'880 bytes
First seen:2024-01-09 11:41:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:hLB6ZrCaCbOQ9VY3sCnKD5rW+Ken+dkzN3j15plFbPjl:hLKDl+5rHj15plVPjl
TLSH T1D1C5CF217BF88A27D2AF2BB59873030407F5F842A67AE34F46C4B5E91D53705AD1872B
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 :
1
# of downloads :
313
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7fc4b31a1488f9b2c8211669fa3fa97b723e40cabed7195b9c745357588bc3e9.exe
Verdict:
Malicious activity
Analysis date:
2024-01-09 11:43:24 UTC
Tags:
pureloader purecrypter loader pureminer zgrat

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

Behaviour
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Forced system process termination
Creating a process from a recently created file
Launching a process
Deleting a recently created file
DNS request
Creating a window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed rat xtreme
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
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
Malicious sample detected (through community Yara rule)
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
Potential dropper URLs found in powershell memory
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sigma detected: Xmrig
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371670 Sample: Runtime.exe Startdate: 09/01/2024 Architecture: WINDOWS Score: 100 46 gamemodz.duckdns.org 2->46 48 rx.unmineable.com 2->48 50 4 other IPs or domains 2->50 58 Sigma detected: Xmrig 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 66 11 other signatures 2->66 10 ProgID.exe 1 2->10         started        13 Runtime.exe 1 2->13         started        15 ProgID.exe 2->15         started        17 powershell.exe 23 2->17         started        signatures3 64 Uses dynamic DNS services 46->64 process4 signatures5 86 Multi AV Scanner detection for dropped file 10->86 88 Modifies the context of a thread in another process (thread injection) 10->88 90 Injects a PE file into a foreign processes 10->90 19 ProgID.exe 2 10->19         started        92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->92 22 Runtime.exe 5 13->22         started        25 ProgID.exe 15->25         started        94 Potential dropper URLs found in powershell memory 17->94 27 WmiPrvSE.exe 17->27         started        29 conhost.exe 17->29         started        process6 file7 68 Writes to foreign memory regions 19->68 70 Modifies the context of a thread in another process (thread injection) 19->70 72 Injects a PE file into a foreign processes 19->72 31 AddInUtil.exe 1 19->31         started        44 C:\Users\user\AppData\Roaming\...\ProgID.exe, PE32+ 22->44 dropped signatures8 process9 signatures10 96 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 31->96 98 Modifies the context of a thread in another process (thread injection) 31->98 100 Injects a PE file into a foreign processes 31->100 34 AddInUtil.exe 31->34         started        process11 dnsIp12 52 gamemodz.duckdns.org 45.128.96.133, 39001, 49711, 49712 XXLNETNL Germany 34->52 54 skilled-stingray-gladly.ngrok-free.app 3.13.191.225, 443, 49714 AMAZON-02US United States 34->54 74 Found strings related to Crypto-Mining 34->74 76 Writes to foreign memory regions 34->76 78 Modifies the context of a thread in another process (thread injection) 34->78 80 Injects a PE file into a foreign processes 34->80 38 AddInProcess.exe 34->38         started        42 AddInProcess.exe 34->42         started        signatures13 process14 dnsIp15 56 rx-us-east.unminable.com 159.203.162.18, 3333, 49725, 49726 DIGITALOCEAN-ASNUS United States 38->56 82 Query firmware table information (likely to detect VMs) 38->82 signatures16 84 Detected Stratum mining protocol 56->84
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2024-01-09 04:53:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig family:zgrat miner rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Executes dropped EXE
XMRig Miner payload
Detect ZGRat V1
ZGRat
xmrig
Unpacked files
SH256 hash:
7fc4b31a1488f9b2c8211669fa3fa97b723e40cabed7195b9c745357588bc3e9
MD5 hash:
9a41dc2febd5e5a6f688a9de5c4f858a
SHA1 hash:
6b2fea5d330a9c366a220600665a8aab6923e98b
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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
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:xtreme_rat
Author:Kevin Falcoz
Description:Xtreme RAT

File information


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

Web download

zgRAT

Executable exe 7fc4b31a1488f9b2c8211669fa3fa97b723e40cabed7195b9c745357588bc3e9

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-09 11:41:44 UTC

url : hxxps://skilled-stingray-gladly.ngrok-free.app/Runtime.exe