MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57738c267a1b4151e020c2b803cb97ec90adf53163e3936abe58a8c58cf5d9be. 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


AveMariaRAT


Vendor detections: 11


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

SHA256 hash: 57738c267a1b4151e020c2b803cb97ec90adf53163e3936abe58a8c58cf5d9be
SHA3-384 hash: 4ebf00264279b612d17f1ec48686353725be5ab62f8a78c856bfb3b32a988a05ac5b0baaa074e1e9395951316b413474
SHA1 hash: 445026eb5798cb7b19a4bb0981b4113dc5c4eb63
MD5 hash: b7fcbb8bad6d0b7829a81cb09b5465f4
humanhash: zulu-arkansas-magnesium-muppet
File name:SecuriteInfo.com.Heur.MSIL.Pretoria.1.13191.18621
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'175'552 bytes
First seen:2022-10-11 12:24:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:SNriy/fTF3wHsOzj4j85M1hUQDAxzJX44g07:SNtTisOzj4jGM1aK4FXy
TLSH T13745E1276BC68B90C9B477FB7398A6A8A3F2F1CB0300DB1B590D11F1BB53386355A255
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:AveMariaRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/318938/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Pretoria.1.13191.18621.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/634560a25cada2cbc6eb917a/reports/ef2a1262-3e5f-43ab-82cc-f53ffd67655e/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:
Malicious
Link:
https://analyze.intezer.com/analyses/25b2b296-809a-442c-9822-41a18dc03745
Result
Threat name:
Remcos, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1087969
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 720564 Sample: SecuriteInfo.com.Heur.MSIL.... Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 62 harjahwool.ddnsfree.com 2->62 64 geoplugin.net 2->64 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for URL or domain 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 7 other signatures 2->84 10 SecuriteInfo.com.Heur.MSIL.Pretoria.1.13191.18621.exe 15 3 2->10         started        signatures3 process4 dnsIp5 72 www.google.com 142.250.186.36, 443, 49689, 49699 GOOGLEUS United States 10->72 54 SecuriteInfo.com.H...13191.18621.exe.log, ASCII 10->54 dropped 104 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->104 15 cmd.exe 3 10->15         started        19 cmd.exe 1 10->19         started        21 conhost.exe 10->21         started        file6 signatures7 process8 file9 58 C:\Users\user\AppData\Roaming\PI.exe, PE32 15->58 dropped 60 C:\Users\user\...\PI.exe:Zone.Identifier, ASCII 15->60 dropped 74 Uses ping.exe to sleep 15->74 23 PI.exe 14 5 15->23         started        28 conhost.exe 15->28         started        30 PING.EXE 1 15->30         started        32 PING.EXE 1 15->32         started        76 Uses ping.exe to check the status of other devices and networks 19->76 34 reg.exe 1 1 19->34         started        36 PING.EXE 1 19->36         started        38 conhost.exe 19->38         started        signatures10 process11 dnsIp12 66 www.google.com 23->66 52 C:\Users\user\AppData\Local\...\PIFDKJCKJ.exe, PE32 23->52 dropped 94 Multi AV Scanner detection for dropped file 23->94 96 Machine Learning detection for dropped file 23->96 98 Writes to foreign memory regions 23->98 102 2 other signatures 23->102 40 PIFDKJCKJ.exe 2 23->40         started        43 AddInProcess32.exe 2 5 23->43         started        46 PIFDKJCKJ.exe 23->46         started        100 Creates an undocumented autostart registry key 34->100 68 127.0.0.1 unknown unknown 36->68 70 192.168.2.1 unknown unknown 36->70 file13 signatures14 process15 file16 86 Antivirus detection for dropped file 40->86 88 Multi AV Scanner detection for dropped file 40->88 90 Machine Learning detection for dropped file 40->90 48 PIFDKJCKJ.exe 40->48         started        56 C:\ProgramData\remcos\logs.dat, data 43->56 dropped 92 Installs a global keyboard hook 43->92 50 PIFDKJCKJ.exe 46->50         started        signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57738c267a1b4151e020c2b803cb97ec90adf53163e3936abe58a8c58cf5d9be/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-11 05:37:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
40
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k5zyyjt2dnavdybayk4ahs4x5sik35jrmprzg2v6lcumldhv3g7a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:remcos family:warzonerat botnet:remotehost collection evasion infostealer keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221011-pll6jsebbq/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Stops running service(s)
AgentTesla payload
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Warzone RAT payload
AgentTesla
Modifies WinLogon for persistence
Remcos
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
harjahwool.ddnsfree.com:8372
harjahwool.ddnsfree.com:2309
https://api.telegram.org/bot1841252439:AAFeBNk12wAgfxXFXtqpw50JT4iCgTc-FsM/sendDocument
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/641a2ebe-bf4e-42cc-9648-48ce2ffdd789
Unpacked files
SH256 hash:
57738c267a1b4151e020c2b803cb97ec90adf53163e3936abe58a8c58cf5d9be
MD5 hash:
b7fcbb8bad6d0b7829a81cb09b5465f4
SHA1 hash:
445026eb5798cb7b19a4bb0981b4113dc5c4eb63
Link:
https://www.unpac.me/results/d0dc6487-c3e7-4892-9273-fd7c03fd724e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57738c267a1b/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/57738c267a1b4151e020c2b803cb97ec90adf53163e3936abe58a8c58cf5d9be

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/318938/

Comments