MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8252f99b0f6c26c5c6360c896b26d2acf273ec3c68cf2d883fce4727fe926237. 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 8 File information Comments

SHA256 hash: 8252f99b0f6c26c5c6360c896b26d2acf273ec3c68cf2d883fce4727fe926237
SHA3-384 hash: a6655594291db62ddffc472e43dd63b3a4e03cd264471ea9b3773c94dbee18c859579a662a57bb33c5f106de7911a0f9
SHA1 hash: 23cf5fb65377cfe0af63adede50c50fb24dc32ab
MD5 hash: ab0443c4b5ae89cd913377183852ecb3
humanhash: delta-fish-georgia-oscar
File name:ab0443c4b5ae89cd913377183852ecb3.exe
Download: download sample
Signature zgRAT
File size:1'260'032 bytes
First seen:2023-12-10 16:19:56 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 24576:vhH733J6mChDoplHDnS5DYL65kXy2eO9S0Q2eFctQU:JDMCljnK2ok9l9SX2L
Threatray 353 similar samples on MalwareBazaar
TLSH T12245015963200B67CBA67738DEB3A7010B96F9779426E30753C464B9B4072EE1FA170B
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 abuse_ch
Tags:exe zgRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
268
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
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
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Detected Stratum mining protocol
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
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: Xmrig
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 PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1357394 Sample: W6vZArqWsU.exe Startdate: 10/12/2023 Architecture: WINDOWS Score: 100 49 xmr.2miners.com 2->49 51 fp2e7a.wpc.phicdn.net 2->51 53 fp2e7a.wpc.2be4.phicdn.net 2->53 65 Sigma detected: Xmrig 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 8 other signatures 2->71 9 utslg.exe 2->9         started        12 ContextProperties.exe 1 2->12         started        14 W6vZArqWsU.exe 1 2->14         started        16 ContextProperties.exe 2->16         started        signatures3 process4 signatures5 83 Multi AV Scanner detection for dropped file 9->83 85 Machine Learning detection for dropped file 9->85 87 Writes to foreign memory regions 9->87 18 aspnet_compiler.exe 9->18         started        89 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 12->89 91 Modifies the context of a thread in another process (thread injection) 12->91 93 Injects a PE file into a foreign processes 12->93 22 ContextProperties.exe 2 12->22         started        95 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->95 24 W6vZArqWsU.exe 6 14->24         started        27 ContextProperties.exe 16->27         started        process6 dnsIp7 55 185.17.0.22, 39001, 49716, 49719 SUPERSERVERSDATACENTERRU Russian Federation 18->55 57 185.196.8.248, 49720, 80 SIMPLECARRER2IT Switzerland 18->57 73 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->73 75 Found strings related to Crypto-Mining 18->75 77 Writes to foreign memory regions 18->77 29 AddInProcess.exe 18->29         started        33 AddInProcess.exe 18->33         started        35 AddInProcess.exe 18->35         started        37 AddInProcess.exe 18->37         started        79 Modifies the context of a thread in another process (thread injection) 22->79 81 Injects a PE file into a foreign processes 22->81 39 MSBuild.exe 1 22->39         started        45 C:\Users\user\...\ContextProperties.exe, PE32+ 24->45 dropped file8 signatures9 process10 dnsIp11 63 xmr.2miners.com 162.19.139.184, 2222, 49737, 49739 CENTURYLINK-US-LEGACY-QWESTUS United States 29->63 97 Query firmware table information (likely to detect VMs) 29->97 99 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 39->99 101 Modifies the context of a thread in another process (thread injection) 39->101 103 Injects a PE file into a foreign processes 39->103 41 MSBuild.exe 15 3 39->41         started        signatures12 105 Detected Stratum mining protocol 63->105 process13 dnsIp14 59 185.196.8.238, 49707, 80 SIMPLECARRER2IT Switzerland 41->59 61 80.85.241.193, 49706, 49708, 49709 MEDIAL-ASRU Russian Federation 41->61 47 C:\Users\user\AppData\Local\Temp\utslg.exe, PE32+ 41->47 dropped file15
Threat name:
Win64.Trojan.Smokeloader
Status:
Malicious
First seen:
2023-12-10 05:21:30 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
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
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
XMRig Miner payload
Detect ZGRat V1
ZGRat
xmrig
Unpacked files
SH256 hash:
8252f99b0f6c26c5c6360c896b26d2acf273ec3c68cf2d883fce4727fe926237
MD5 hash:
ab0443c4b5ae89cd913377183852ecb3
SHA1 hash:
23cf5fb65377cfe0af63adede50c50fb24dc32ab
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_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

File information


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

Web download

zgRAT

Executable exe 8252f99b0f6c26c5c6360c896b26d2acf273ec3c68cf2d883fce4727fe926237

(this sample)

  
Delivery method
Distributed via web download

Comments