MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0. 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: 18


Intelligence 18 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0
SHA3-384 hash: fdd55bba6f4eaf5d9231f903767080462704364ddc2ebea6da6c6e629e4591163e5de51ddd6205d839ebcbd7a793f053
SHA1 hash: 66f799325fb310bc4e3c810433a53b31256fe6cd
MD5 hash: 3fdaf7d43edcbf138a3f282199a0a576
humanhash: table-shade-kansas-pizza
File name:client.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:64'512 bytes
First seen:2024-08-31 21:01:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:zJs1Tn8I8Q7vIh5teeiMl8GbbXwRKGdZVclN:zJs1Tn8I8Q7e5QeFmGbbXOzY
TLSH T194535B002798C965E2AD4AF8ACF2950146B5D5772102DB5E7CC804DBAB9FFC64A133EF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter adm1n_usa32
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
468
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
client.exe
Verdict:
Malicious activity
Analysis date:
2024-08-31 21:00:03 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/cbc02e76-1c22-4567-872c-60c3d2500786

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Razy-9807129-0
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Win.Trojan.AsyncRAT-9914220-0
Create hunting rule

Win.Malware.Zusy-10034587-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d384cdad7abf2db5cfaf10
Tags:
Execution Network Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm asyncrat configsecuritypolicy evasive hacktool lolbin mpcmdrun msconfig njrat rat razy regedit schtasks vbnet
Link:
https://www.filescan.io/uploads/66d384ca39314c9089f8c9be/reports/ad52a589-55e4-4c9d-be0a-bf06ddbbadb8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0
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/528bb579-fae4-484f-8354-e5d4d80d1f4e
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1502288
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Potentially Suspicious Malware Callback Communication
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1502288 Sample: client.exe Startdate: 31/08/2024 Architecture: WINDOWS Score: 100 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 10 other signatures 2->41 7 Defender_procesed.exe 1 2 2->7         started        11 client.exe 7 2->11         started        process3 dnsIp4 33 193.233.74.21, 49704, 7777 MGNHOST-ASRU Russian Federation 7->33 43 Antivirus detection for dropped file 7->43 45 Multi AV Scanner detection for dropped file 7->45 47 Machine Learning detection for dropped file 7->47 29 C:\Users\user\...\Defender_procesed.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\client.exe.log, CSV 11->31 dropped 14 cmd.exe 1 11->14         started        17 cmd.exe 1 11->17         started        file5 signatures6 process7 signatures8 49 Uses schtasks.exe or at.exe to add and modify task schedules 14->49 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 Defender_procesed.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-08-29 22:43:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q5wqmhf363a2jkgnz66335ppotrfi5xf3j36kaxllbxlvcuhdlaa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/240831-zve4psvgjd/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
193.233.74.21:7777
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a117f3f8-d08d-4bbe-b7d3-3ad32a00abb8
Unpacked files
SH256 hash:
876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0
MD5 hash:
3fdaf7d43edcbf138a3f282199a0a576
SHA1 hash:
66f799325fb310bc4e3c810433a53b31256fe6cd
Detections:
DCRat
Create hunting rule
AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/83cb8d2d-b567-4f14-9c63-2a550e29794b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/876d061cbbf6c1a4a8cdcfbdbdf5ef74e25476e5da77e502eb586eba8a871ac0

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
Create hunting rule
Author:Nikos 'n0t' Totosis
Description:AcRat Payload (based on AsyncRat)
Rule name:dcrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Detect_Nimplant_PE
Create hunting rule
Author:daniyyell
Description:Detects malicious nimplant variant PE malware.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
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:Mal_WIN_AsyncRat_RAT_PE
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
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:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_unobfuscated
Create hunting rule
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.

anyrun
any.run
https://app.any.run/tasks/cbc02e76-1c22-4567-872c-60c3d2500786

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