MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fee3c043fa80045f0b1c53a26e61126490a764262a9c6573ce4c51fb410a8da. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fee3c043fa80045f0b1c53a26e61126490a764262a9c6573ce4c51fb410a8da
SHA3-384 hash: 7f1bfec6937459ad547cc8ef58f3ecf7d2f07db398f374837ad60be810ad69bbb1d3c6ded3273ceea2c5e8ed1c4f1e67
SHA1 hash: a41e4eae0cc8dcead24d389070eb75a222163e71
MD5 hash: 65e0d357efc2b3b392f837110a569de3
humanhash: football-floor-crazy-steak
File name:65e0d357efc2b3b392f837110a569de3.exe
Download: download sample
Signature zgRAT
Create hunting rule
File size:905'728 bytes
First seen:2023-02-27 16:15:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:X9w0aSFMHtM6d4Hf6lOvID7ADWiksVrWERfkU66m9:X9fLFMHtnl0wDFGCW9xm9
Threatray 319 similar samples on MalwareBazaar
TLSH T1F11523557923C4E1C109C5B6FEE77F120FA0A5B08D97B51E566AEDE0AA0B39B3C090DC
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 :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65e0d357efc2b3b392f837110a569de3.exe
Verdict:
Malicious activity
Analysis date:
2023-02-27 16:21:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f3e816ba-f88b-4ecd-b89b-4e243625a683

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/370311/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63fcd742589e1e4c5bd99b7a/reports/d9df9d6e-79e9-46e8-ba19-42b60792745e/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/4fee3c043fa80045f0b1c53a26e61126490a764262a9c6573ce4c51fb410a8da
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:
Unknown
Link:
https://analyze.intezer.com/analyses/dabad9b2-d95d-419d-b8b5-dafc7193f1e9
Result
Threat name:
zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1183551
Signature
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Uses dynamic DNS services
Yara detected Costura Assembly Loader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 816389 Sample: wkjASvtNnU.exe Startdate: 27/02/2023 Architecture: WINDOWS Score: 100 35 xiaoxiaojue.duckdns.org 2->35 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected zgRAT 2->45 47 3 other signatures 2->47 8 wkjASvtNnU.exe 1 7 2->8         started        12 Oswvh.exe 2 2->12         started        14 wkjASvtNnU.exe 2 2->14         started        16 2 other processes 2->16 signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\...\Oswvh.exe, PE32+ 8->29 dropped 31 C:\Users\user\...\Oswvh.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\user\AppData\...\wkjASvtNnU.exe.log, CSV 8->33 dropped 51 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 8->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->53 55 Encrypted powershell cmdline option found 8->55 61 3 other signatures 8->61 18 wkjASvtNnU.exe 1 3 8->18         started        23 powershell.exe 16 8->23         started        57 Multi AV Scanner detection for dropped file 12->57 59 Machine Learning detection for dropped file 12->59 signatures6 process7 dnsIp8 37 xiaoxiaojue.duckdns.org 212.87.204.245, 49722, 49724, 49725 GEMENIIGEMENIINETWORKRO Germany 18->37 39 192.168.2.1 unknown unknown 18->39 27 C:\Users\user\AppData\...\wkjASvtNnU.exe, PE32+ 18->27 dropped 49 Creates multiple autostart registry keys 18->49 25 conhost.exe 23->25         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fee3c043fa80045f0b1c53a26e61126490a764262a9c6573ce4c51fb410a8da/
Threat name:
ByteCode-MSIL.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-02-27 16:05:48 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7xdybb7vaael4fryu5cnzqrezequ5scmku4mvz44tcr7naqvdna._file
Verdict:
malicious
Similar samples:
0e0879cc0de0ecb53e58aae88e162e02bba9f991907c443950a9c41aaf127763
zgRAT
387cb0c7adfffe604b16d02cad4c9fba30e4a497dd0f442fb41c00e45bc6274a
zgRAT
46b6798990aefaedd162220d0593c6b22aa72fa3afc71ad4b12d6781793a9e06
zgRAT
64d1a2523aa2654066d25f80431ac6d20cab5c071de623064ebba22528d6b239
zgRAT
6e8160f23b32743ffdcd853036d351c0ec4410d61f28254854b0ec6abdfb4fc3
zgRAT
9a0fed112384f29989d39d10f2a087e23fa2cf29b93b4f65e470a18018a9e411
zgRAT
9fedf5206131f12fc47c5025397003a9a4b474a7e24338af1f482b211f67346a
zgRAT
cbe98165ecb02c9f22c48a5ff42992a1823a27d67ba4ad9e3e95acbeff8b9232
zgRAT
d592465fda14fe34f19703d3222ce71ac81592f87911b908e5c12cf68cf258ac
zgRAT
dc3edd67c3592e1b8bb1d17c61d27bd7bb521b090a179af95d507a3db00b8c82
zgRAT
+ 309 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230227-tqslcaed95/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Unpacked files
SH256 hash:
4fee3c043fa80045f0b1c53a26e61126490a764262a9c6573ce4c51fb410a8da
MD5 hash:
65e0d357efc2b3b392f837110a569de3
SHA1 hash:
a41e4eae0cc8dcead24d389070eb75a222163e71
Link:
https://www.unpac.me/results/29bef59f-a50a-41cb-8c9a-6b733619fa1a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/4fee3c043fa80045f0b1c53a26e61126490a764262a9c6573ce4c51fb410a8da

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:Typical_Malware_String_Transforms
Create hunting rule
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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/370311/

Comments