MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fd83cdcd89efdb7ce2d771a305c10e3575c2e2da874da9b28fabd940785b059. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fd83cdcd89efdb7ce2d771a305c10e3575c2e2da874da9b28fabd940785b059
SHA3-384 hash: 7479ba84efe32e090dfecc617304651372417f725d2894b16605f6e36e299f584e205d0f0fa8a8beae0e501a387a4871
SHA1 hash: 7ef6b815ee5791b7bd0286db94cdc016a8c96bec
MD5 hash: bb2c97f8661286f7e3659354093c18ff
humanhash: lithium-bakerloo-muppet-mockingbird
File name:LETTER OF PROTEST.exe
Download: download sample
Signature zgRAT
Create hunting rule
File size:5'632 bytes
First seen:2023-01-19 08:55:18 UTC
Last seen:2023-01-20 13:25:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 96:+9ugE6vZsnUwswvZlLMV2V3CRZcdRuDakiPt6BzNt:+MjjnzsoZlLi2VyT+uji16D
Threatray 3'023 similar samples on MalwareBazaar
TLSH T1D6C1C824F3DCD333CDA74B32A877A3510734F71698A7CF6DA590A11BDD262890A227B0
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 cocaman
Tags:exe zgRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LETTER OF PROTEST.exe
Verdict:
Malicious activity
Analysis date:
2023-01-19 08:57:54 UTC
Tags:
stealer
Link:
https://app.any.run/tasks/63790241-ced3-4075-8932-765024e2d8a2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/354392/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65050011.220.17265.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
DNS request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Link:
https://www.filescan.io/uploads/63c905a4e56ca96f6d50348b/reports/fb97af48-c404-4b14-acae-d04bb2670fed/overview
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/da0efb85-7f2e-4048-aea7-33a37c759b80
Result
Threat name:
zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1154471
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Yara detected Costura Assembly Loader
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fd83cdcd89efdb7ce2d771a305c10e3575c2e2da874da9b28fabd940785b059/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-18 09:34:46 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7mdzxgyt363ptrno4ndaxaq4nlvylrnvb2nvgzi7k6zib4fwbmq._file
Verdict:
malicious
Similar samples:
3d8df24ce7381b4dfbd331934ae68aa3c822ba8518ccd967b5b1697ee31dea29
zgRAT
588572e37df45867b14d17b7892c5337ecce9e618b43ae6aae8ab187c35bbc92
zgRAT
5e6776ba02afa4c03138edcdf1e10dabee3efd6afd1620dcdb3138e7632bcb79
zgRAT
5fc77394fd32986a32fe00746df98db40d11fb240cb6646513aec9157e104ff3
zgRAT
65974a49b0f427641f96866baacf2ab54717f613adc747812061bb05e4dde779
zgRAT
78e3a6a4c1ad570f4411fe72ba86c6e8c171ce38ad2373a0bc6183af6b83561c
zgRAT
8a78e2f08052660fdedbb04ec46b40bde9b20b81b2b4695595cfefed1cd5bc40
zgRAT
98d78baf7a1ceff6ec4f3d2330a30075df9c461d03ceaac23c478112bb333d48
zgRAT
c1896a9e47fd1fa35cf772baa4dbdd124d946caf14a5fc9ea7e3192de587e8c6
zgRAT
f333b87b79d0fbf142976bb401a082f189b00c49e65a3ad7b1ed5b8f33320ba0
zgRAT
+ 3'013 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/230119-kv1yvace3y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3e2739f8-70cd-4b3b-9d8a-763fd5f2135e
Unpacked files
SH256 hash:
4fd83cdcd89efdb7ce2d771a305c10e3575c2e2da874da9b28fabd940785b059
MD5 hash:
bb2c97f8661286f7e3659354093c18ff
SHA1 hash:
7ef6b815ee5791b7bd0286db94cdc016a8c96bec
Link:
https://www.unpac.me/results/9f25d8bf-dc21-44af-a767-cbad2d854319/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fd83cdcd89e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/4fd83cdcd89efdb7ce2d771a305c10e3575c2e2da874da9b28fabd940785b059

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:AsyncRat_Detection_Dec_2022
Create hunting rule
Author:Potatech
Description:AsyncRat

File information

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

Malspam

zgRAT

rar 6d45989269cb7dfba5166075a265f02f6965452c13c5d455a0b35d795ad64756

zgRAT

Executable exe 4fd83cdcd89efdb7ce2d771a305c10e3575c2e2da874da9b28fabd940785b059

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6d45989269cb7dfba5166075a265f02f6965452c13c5d455a0b35d795ad64756
Cape
Cape
https://www.capesandbox.com/analysis/354392/
  
Dropped by
MD5 b4939de6acf0e151a576d8e939127a81

Comments