MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537. 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


VenomRat


Vendor detections: 14


Intelligence 14 IOCs YARA 15 File information Comments
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SHA256 hash: b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537
SHA3-384 hash: d1738f64e6c6d08da57083abb0c6adba3590388a9af0e3982e757fae924721708e090efd74685a01bff090880b660e76
SHA1 hash: e5cc4271431fa138f4594847c20a5be3f6c919e4
MD5 hash: d88a06a393582a79ab6da48982ec87ae
humanhash: purple-wyoming-fourteen-kilo
File name:d88a06a393582a79ab6da48982ec87ae.exe
Download: download sample
Signature VenomRat
Create hunting rule
File size:249'416 bytes
First seen:2023-10-23 08:39:55 UTC
Last seen:2023-10-23 09:38:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 46e4333691e6901e3051f6d7de5959d7 (6 x RedLineStealer, 1 x VenomRat)
ssdeep 3072:KHkVhd52JYWsfVrhbjAY1GSEuywqamd/4bWSHqYubGtHshmRgSPG9oMNLxb:KHkVhd52JdYhbt1GCE2bUwZe+PElNh
Threatray 61 similar samples on MalwareBazaar
TLSH T1FD348D113A00C036F8A7187988EE9FB9B6ADB861037565C37BE80A7DDF117E36675206
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe VenomRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-10-20 21:14:17 UTC
Tags:
stealc stealer redline amadey botnet trojan loader smoke rat asyncrat remote opendir stormkitty
Link:
https://app.any.run/tasks/b684447d-dd4d-4480-ac0e-e1bf28e4e748

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.RedLineNET.6.6869.26663.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed redline stealer
Link:
https://www.filescan.io/uploads/6536316748beb17ddbc8a428/reports/c48de842-dda3-49ec-9821-ec220072e86e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537
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/7b06add0-b7bf-4ad0-afd2-8e6d9a65a9de
Result
Threat name:
AsyncRAT, StormKitty, VenomRAT
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Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1330419
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Very long command line found
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected StormKitty Stealer
Yara detected VenomRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330419 Sample: vZFGXiTg6o.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 73 discord.com 2->73 75 ip-api.com 2->75 77 3 other IPs or domains 2->77 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 Antivirus detection for URL or domain 2->101 103 8 other signatures 2->103 10 calc.exe 19 130 2->10         started        15 vZFGXiTg6o.exe 10 2->15         started        signatures3 process4 dnsIp5 79 89.23.100.93, 4449, 49740, 49741 MAXITEL-ASRU Russian Federation 10->79 81 discord.com 162.159.128.233, 443, 49748 CLOUDFLARENETUS United States 10->81 83 3 other IPs or domains 10->83 65 C:\Users\user\AppData\...\WUTJSCBCFX.docx, ASCII 10->65 dropped 67 C:\Users\user\AppData\...\BPMLNOBVSB.jpg, ASCII 10->67 dropped 69 C:\Users\user\AppData\...\WUTJSCBCFX.docx, ASCII 10->69 dropped 105 System process connects to network (likely due to code injection or exploit) 10->105 107 Multi AV Scanner detection for dropped file 10->107 109 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->109 111 7 other signatures 10->111 17 powershell.exe 10->17         started        20 cmd.exe 10->20         started        22 cmd.exe 10->22         started        24 conhost.exe 10->24         started        71 C:\Users\user\AppData\Roaming\calc.exe, PE32 15->71 dropped 26 cmd.exe 1 15->26         started        28 cmd.exe 1 15->28         started        30 conhost.exe 15->30         started        file6 signatures7 process8 signatures9 87 Suspicious powershell command line found 17->87 89 Uses whoami command line tool to query computer and username 17->89 32 powershell.exe 17->32         started        35 cmd.exe 17->35         started        43 5 other processes 17->43 45 4 other processes 20->45 47 3 other processes 22->47 91 Uses schtasks.exe or at.exe to add and modify task schedules 26->91 93 Uses netsh to modify the Windows network and firewall settings 26->93 95 Tries to harvest and steal WLAN passwords 26->95 37 conhost.exe 26->37         started        39 schtasks.exe 1 26->39         started        41 calc.exe 3 28->41         started        49 2 other processes 28->49 process10 signatures11 85 Uses whoami command line tool to query computer and username 32->85 51 cmd.exe 32->51         started        53 conhost.exe 32->53         started        55 sc.exe 32->55         started        61 3 other processes 32->61 57 conhost.exe 35->57         started        59 conhost.exe 41->59         started        process12 process13 63 conhost.exe 51->63         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537/
Threat name:
Win32.Backdoor.AsyncRAT
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Status:
Malicious
First seen:
2023-10-20 22:29:48 UTC
File Type:
PE (Exe)
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wa3yipxscl4za7cmf4rbm43z3nckuawxyzd4kmtywtmnpbbugu3q._file
Verdict:
malicious
Similar samples:
132acdd518240ece3cb4da78c47bc7fc5ed8d55420084104cbc91e6022bdb833
VenomRat
2d3770870c1b3116a047d960707cbf07de97957908ec82ca6e3b6519ca1ede85
VenomRat
951dbdb3c729d3ea42bb5aa2d2ce9f265d7acb67b170e890365a783a99e24164
VenomRat
b3ed17e2febaa1202df3dcefaad1a086155d0008f9ee5037b6804889997078b1
VenomRat
bc8b040947df20ec884ede4cc5ece724218056120ef75e54f581c594abbe2b92
VenomRat
cc7bcdfee502f5cc0c042b3a97ef737afa5cccb46a2dadaa02bcf74faf6fd8ac
VenomRat
cef2bd1b1b01dda513421bb2cee542c016b3d25103e4086f6c5684e687f48ae8
VenomRat
e298f86eab0e2f44603b7640af6f89269dd2e00115e778f3d2e6bddde0a5f39c
VenomRat
e481c7f16652a25b6a13c8d1e1975a06d8029b9a49238fa4833bd4fb25bec738
VenomRat
+ 51 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:stormkitty botnet:default discovery evasion rat spyware stealer trojan
Link:
https://tria.ge/reports/231023-kkwalshb55/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Launches sc.exe
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Modifies Windows Defender Real-time Protection settings
StormKitty
StormKitty payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
89.23.100.93:4449
Unpacked files
SH256 hash:
64310b09cd03338b3a2e8f6e7a1a69e11eedb26f68bf71d067d5c63afab5215b
MD5 hash:
8cf18ad98eb6458f1e411e52fd09165b
SHA1 hash:
e0182d2df4af350bda38ff8dfdbc75bee3344125
Detections:
VenomRat
Create hunting rule
Link:
https://www.unpac.me/results/94800105-dbf3-452a-b89b-256c030c1dfa/
SH256 hash:
b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537
MD5 hash:
d88a06a393582a79ab6da48982ec87ae
SHA1 hash:
e5cc4271431fa138f4594847c20a5be3f6c919e4
Link:
https://www.unpac.me/results/94800105-dbf3-452a-b89b-256c030c1dfa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b037843ef212/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:AcRat
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Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_asyncrat_unobfuscated
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Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

File information

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

Web download

VenomRat

Executable exe b037843ef212f9907c4c2f22167379db44aa02d7c647c53278b4d8d784343537

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2723148/
  
Delivery method
Distributed via web download

Comments