MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549
SHA3-384 hash: 55755415eea91b36c506d85859264313832174872796779069b886d4185e3b5921c7db4b7866a77cf42dffa1825ca8e7
SHA1 hash: f16ab407fc8f1ae8a954bc4ffb018447323d670b
MD5 hash: 7010962cccd78789767380410a70b7c8
humanhash: apart-avocado-football-pennsylvania
File name:7010962cccd78789767380410a70b7c8
Download: download sample
Signature zgRAT
Create hunting rule
File size:4'194'304 bytes
First seen:2024-04-04 10:36:43 UTC
Last seen:2024-04-04 11:32:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:4FWOIZDTZtm0NtTM4vEsfB/vv1xshIsqwbHgbtN:4FWr9trEsR3HshRqUH6t
TLSH T1D216236E67114365F54D1F3608AB1207A82BD7022A736716D9FFD0852F3BF8DDA82389
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)
File icon (PE):PE icon
dhash icon 69e8ca2d33e8e869 (2 x ValleyRAT, 1 x Gh0stRAT, 1 x LummaStealer)
Reporter zbetcheckin
Tags:64 exe zgRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
277
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Creating a window
Sending a custom TCP request
Connection attempt to an infection source
Sending an HTTP GET request
Creating a process from a recently created file
Searching for the window
Launching a process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
installer obfuscated overlay packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/660e82dad47d491925d195de/reports/badacd90-3870-4105-86b7-68a5b116b6ff/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549
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/610b600a-f945-40c9-bbe3-0b27d0a525bb
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1420084
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1420084 Sample: 54ZmPO0sGj.exe Startdate: 04/04/2024 Architecture: WINDOWS Score: 100 62 gjhfhgdg.insane.wang 2->62 64 filebin.net 2->64 70 Multi AV Scanner detection for domain / URL 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 76 6 other signatures 2->76 8 54ZmPO0sGj.exe 2 2->8         started        11 grhgjhjh.exe 1 2->11         started        13 grhgjhjh.exe 2->13         started        15 3 other processes 2->15 signatures3 process4 signatures5 78 Writes to foreign memory regions 8->78 80 Allocates memory in foreign processes 8->80 82 Modifies the context of a thread in another process (thread injection) 8->82 17 vbc.exe 15 2 8->17         started        21 cmd.exe 2 8->21         started        23 cmd.exe 3 8->23         started        26 cmd.exe 1 8->26         started        84 Multi AV Scanner detection for dropped file 11->84 86 Machine Learning detection for dropped file 11->86 88 Injects a PE file into a foreign processes 11->88 28 cmd.exe 11->28         started        32 3 other processes 11->32 30 cmd.exe 13->30         started        34 3 other processes 13->34 36 12 other processes 15->36 process6 dnsIp7 58 gjhfhgdg.insane.wang 185.196.10.233, 39001, 49705, 49706 SIMPLECARRIERCH Switzerland 17->58 60 filebin.net 88.99.137.18, 443, 49707, 49708 HETZNER-ASDE Germany 17->60 66 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 17->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 21->68 38 conhost.exe 21->38         started        56 C:\Users\user\AppData\...\grhgjhjh.exe, PE32+ 23->56 dropped 40 conhost.exe 23->40         started        42 conhost.exe 26->42         started        44 schtasks.exe 1 26->44         started        46 2 other processes 28->46 48 2 other processes 30->48 50 2 other processes 32->50 52 2 other processes 34->52 54 12 other processes 36->54 file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549/
Threat name:
ByteCode-MSIL.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 06:42:36 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
26
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vep257i7rx4itstbyabgmbcaiscxypnetbgmwnbebo3vqsn32veq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240404-mntbjace7s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549
MD5 hash:
7010962cccd78789767380410a70b7c8
SHA1 hash:
f16ab407fc8f1ae8a954bc4ffb018447323d670b
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/da16ce83-b2b6-4c24-8fed-2a7b8ddad835/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a91faefd1f8d/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/a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549

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:NET
Create hunting rule
Author:malware-lu
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 a91faefd1f8df889ca61c00266044044857c3da4984ccb34240bb75849bbd549

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2801007/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments


Avatar
zbet commented on 2024-04-04 10:36:44 UTC

url : hxxp://185.196.10.233/diufhloadme.exe