MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e7715a80f631187621f1840f2c44f26aea8570fb7dd24e87273873b126a3b7d. 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


AsyncRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e7715a80f631187621f1840f2c44f26aea8570fb7dd24e87273873b126a3b7d
SHA3-384 hash: 0b53611faa90bfe4625bb205bd530187c64e08d516efc164e226baad33863753d09b27df4ea28c95ff142b4053c59daf
SHA1 hash: 6e99b795bf3ab9e1be51464f6f89db56ea6014d1
MD5 hash: 9928e8615c82a4baf50e72019fc9fa58
humanhash: low-lion-wisconsin-march
File name:winrar.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:809'104 bytes
First seen:2024-09-18 12:21:20 UTC
Last seen:2024-09-18 13:27:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Y+S+SFXRuTwyC6flXB3pAJFvkP5UfazdkBCBfJXAsBfJXAvhAcD:lwRuljp0v6U0SMBfJXAsBfJXAvR
Threatray 11 similar samples on MalwareBazaar
TLSH T1EF05F19517E89900E2BF7B787970915097B7B8D6E833C20F1899A1DE3BB3B405E91363
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon b3b3b371716b93b3 (25 x CryptOne, 12 x RemcosRAT, 6 x RedLineStealer)
Reporter JAMESWT_WT
Tags:AsyncRAT exe imperiodosabor-shop

Intelligence

File Origin
# of uploads :
3
# of downloads :
408
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
winrar.exe
Verdict:
Malicious activity
Analysis date:
2024-09-18 12:27:04 UTC
Tags:
darktortilla
Link:
https://app.any.run/tasks/b8c500dc-4f82-454f-ad9f-80d978a8efec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.47111.8033.3461.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66eac5edf72de0d131be9ae1
Tags:
Encryption Execution Generic Network Static Stealth Trojan Msilzilla
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook keylogger overlay packed snake vbnet
Link:
https://www.filescan.io/uploads/66eac5eb5e9303a294229fcc/reports/286fb75c-fce7-45db-8771-38e58edbe40e/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/4e7715a80f631187621f1840f2c44f26aea8570fb7dd24e87273873b126a3b7d
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/72b07ce2-8595-4d3c-988e-96dc9b9fa952
Result
Threat name:
DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1513123
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1513123 Sample: winrar.exe Startdate: 18/09/2024 Architecture: WINDOWS Score: 100 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected DarkTortilla Crypter 2->53 55 4 other signatures 2->55 7 winrar.exe 4 2->7         started        process3 file4 33 C:\Users\user\AppData\...\winrar.exe.log, ASCII 7->33 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->57 11 cmd.exe 3 7->11         started        15 cmd.exe 1 7->15         started        signatures5 process6 file7 35 C:\Users\user\AppData\Local\...\WinRAR64.exe, PE32 11->35 dropped 37 C:\Users\...\WinRAR64.exe:Zone.Identifier, ASCII 11->37 dropped 59 Uses ping.exe to sleep 11->59 17 WinRAR64.exe 2 11->17         started        20 conhost.exe 11->20         started        22 PING.EXE 1 11->22         started        24 PING.EXE 1 11->24         started        61 Uses ping.exe to check the status of other devices and networks 15->61 26 PING.EXE 1 15->26         started        29 conhost.exe 15->29         started        31 reg.exe 1 1 15->31         started        signatures8 process9 dnsIp10 41 Antivirus detection for dropped file 17->41 43 Multi AV Scanner detection for dropped file 17->43 45 Machine Learning detection for dropped file 17->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->47 39 127.0.0.1 unknown unknown 26->39 signatures11
Score:
82%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4e7715a80f631187621f1840f2c44f26aea8570fb7dd24e87273873b126a3b7d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e7715a80f631187621f1840f2c44f26aea8570fb7dd24e87273873b126a3b7d/
Threat name:
ByteCode-MSIL.Trojan.DarkTortilla
Create hunting rule
Status:
Malicious
First seen:
2024-06-28 11:21:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jz3rlkapmmiyoyq7dbapfrcpe2xkqvypw7osj2dsoodtwetkhn6q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
148da9a63f027b2e7625f0b82b42bc795737b55c46d040af508fdcea2bccad98
AsyncRAT
5cb0f476845eb029a8f7799ed1adb8b819587ff22e79732c29cfc452b5f8759d
AsyncRAT
acc49c5f78975ac30381ceade4e9d659d3f67f3b32f5eff433b667881f723689
AsyncRAT
c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51
AsyncRAT
edd505213e1f137a37c50ea904ae312483c088ecc07bbaae7ce3a79d5fa188f1
AsyncRAT
+ 1 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/240918-pjxjhazfrd/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/719b912e-e53e-4110-917d-bac9fd764b74
Unpacked files
SH256 hash:
2db82e9b91b1ccb1957b4e06ec49bfb0096e973213fc1786de1bbe3162f5df5a
MD5 hash:
27dea42a70bd7e948f1171ce873878a1
SHA1 hash:
b87051d51479c093cdf3e721acea4fd8b940b1e5
Link:
https://www.unpac.me/results/327fb0f5-ebc4-44f8-9513-c0e6c2512658/
SH256 hash:
4e7715a80f631187621f1840f2c44f26aea8570fb7dd24e87273873b126a3b7d
MD5 hash:
9928e8615c82a4baf50e72019fc9fa58
SHA1 hash:
6e99b795bf3ab9e1be51464f6f89db56ea6014d1
Link:
https://www.unpac.me/results/327fb0f5-ebc4-44f8-9513-c0e6c2512658/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4e7715a80f63/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_APT29_WINELOADER_Backdoor
Create hunting rule
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:Detect_Malicious_VBScript_Base64
Create hunting rule
Author:daniyyell
Description:Detects malicious VBScript patterns, including Base64 decoding, file operations, and PowerShell.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
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.

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 (GUARD_CF)high

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