MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b
SHA3-384 hash: a4f565ef73f3ba7b55bfb847c047926eebcbddb754b98225d040a2368139607c18db8a3b5b183456e191377741b781a4
SHA1 hash: 0da3876b1dc9503a2af37bf96f6e777c7ce40141
MD5 hash: 603c16ec67037039ed079f0d266c6f79
humanhash: seventeen-fifteen-nuts-stairway
File name:603c16ec67037039ed079f0d266c6f79.exe
Download: download sample
Signature zgRAT
Create hunting rule
File size:1'508'920 bytes
First seen:2024-01-08 17:11:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:mBeC7yTVDTzYRstNzxr45HfuQL2gFbn6eDp6s7Sy9jS8/h5cy1RPXVcXpxP6NMva:mBeC7y5PCfbFD6glz2A5cQRfVcXpGMva
TLSH T1C56502489BD92971D2E61B3BC0F5AF12D3B4F090B3DED71B149496A85D33B938582B32
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:exe RAT zgRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
362
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b.exe
Verdict:
Malicious activity
Analysis date:
2024-01-08 17:30:13 UTC
Tags:
zgrat pureminer pureloader purecrypter loader
Link:
https://app.any.run/tasks/6409616c-3551-4211-aeb4-afdf8e6eabed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/469901/
Detection(s):
Win.Packed.Msilheracles-10017859-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Forced system process termination
Creating a process from a recently created file
Launching a process
Deleting a recently created file
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:
control lolbin obfuscated overlay packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/659c2cab8369fab94de7e01a/reports/40d6e38a-48ca-42a0-b044-6c37e369936c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be8e580c-a062-4716-aefc-b40741827218
Result
Threat name:
PureLog Stealer, Xmrig, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1371377
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
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 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 PersistenceViaHiddenTask
Yara detected PureLog Stealer
Yara detected Xmrig cryptocurrency miner
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1371377 Sample: UBUBr4nB0d.exe Startdate: 08/01/2024 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 15 other signatures 2->66 10 IsSecuritySafeCritical.exe 1 2->10         started        13 UBUBr4nB0d.exe 1 2->13         started        15 IsSecuritySafeCritical.exe 2->15         started        17 powershell.exe 23 2->17         started        signatures3 64 Uses dynamic DNS services 46->64 process4 signatures5 86 Antivirus detection for dropped file 10->86 88 Multi AV Scanner detection for dropped file 10->88 90 Machine Learning detection for dropped file 10->90 19 IsSecuritySafeCritical.exe 2 10->19         started        92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->92 94 Modifies the context of a thread in another process (thread injection) 13->94 96 Injects a PE file into a foreign processes 13->96 22 UBUBr4nB0d.exe 5 13->22         started        25 IsSecuritySafeCritical.exe 15->25         started        98 Potential dropper URLs found in powershell memory 17->98 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 aspnet_compiler.exe 1 19->31         started        44 C:\Users\user\...\IsSecuritySafeCritical.exe, PE32+ 22->44 dropped signatures8 process9 signatures10 100 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 31->100 102 Modifies the context of a thread in another process (thread injection) 31->102 104 Injects a PE file into a foreign processes 31->104 34 aspnet_compiler.exe 31->34         started        process11 dnsIp12 52 gamemodz.duckdns.org 45.128.96.133, 39001, 49712, 49716 XXLNETNL Germany 34->52 54 skilled-stingray-gladly.ngrok-free.app 3.134.39.220, 443, 49717 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, 49726, 49727 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
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b/
Threat name:
Win64.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2024-01-08 08:36:12 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sd2d6qpvb5oh6jtpsnj5ehbxgndixlmgis7dddkik2cbljwzxcnq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:xmrig family:zgrat miner rat
Link:
https://tria.ge/reports/240108-vp9nxaebcn/
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
XMRig Miner payload
Detect ZGRat V1
ZGRat
xmrig
Unpacked files
SH256 hash:
90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b
MD5 hash:
603c16ec67037039ed079f0d266c6f79
SHA1 hash:
0da3876b1dc9503a2af37bf96f6e777c7ce40141
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/17d7c30f-13d4-4d54-848f-03e89c561fd5/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/90f43f41f50f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
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 90f43f41f50f5c7f266f9353d21c3733468bad8644be318d48568415a6d9b89b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2747422/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/469901/

Comments