MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab32a8ecbfa1840c7b22695b2c01ec2a579aa1fc54f00220d3b26653d8082cf4. 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: 14


Intelligence 14 IOCs 1 YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab32a8ecbfa1840c7b22695b2c01ec2a579aa1fc54f00220d3b26653d8082cf4
SHA3-384 hash: 4fba85eef137b67847aaddf954620f78b0ffdbbfc96ac97ba5a39ad2d8c21fbf43e78e58db60b2e35f6ecd9fd665ef67
SHA1 hash: ea144e40340358fde5ef4760debd1efeffe09750
MD5 hash: 4ba912cae58c536e84ebc0e8593d8574
humanhash: football-magnesium-black-helium
File name:4ba912cae58c536e84ebc0e8593d8574.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:46'080 bytes
First seen:2025-01-27 03:35:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 768:5u0OVT0kWNnWUb11lmo2qjhVllVq6GcPIXzjbIgX3e4yuHX/eBB8Iy0thE6b2BDX:5u0OVT01r2qV/o6GhX3bfXuJuGBBFn98
TLSH T1BC232B0037E8822BF27E5F78A8F26145867AF6632603D64D2CC451DB5713FC69A426FE
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
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 abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
197.153.136.106:8808

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
197.153.136.106:8808 https://threatfox.abuse.ch/ioc/1394693/

Intelligence

File Origin
# of uploads :
1
# of downloads :
470
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

Gathering data
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
DNS request
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-vm asyncrat config-extracted lolbin njrat obfuscated rat reg schtasks vbnet
Link:
https://www.filescan.io/uploads/6796ff2285aac483f3889ce6/reports/36445bb8-16b6-4a59-a633-31bcfcad0e3b/overview
Verdict:
Malicious
Labled as:
AsyncRAT.Marte.B.Generic
Link:
https://www.hybrid-analysis.com/sample/ab32a8ecbfa1840c7b22695b2c01ec2a579aa1fc54f00220d3b26653d8082cf4
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/b6c04695-8142-4e93-aa77-d2ed9cf225c0
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1600107
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
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
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1600107 Sample: wo88tC4qCL.exe Startdate: 27/01/2025 Architecture: WINDOWS Score: 100 34 zunteer.zzux.com 2->34 36 edge.ds-c7110-microsoft.global.dns.qwilted-cds.cqloud.com 2->36 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 12 other signatures 2->46 8 WindowDefender.exe 2 2->8         started        12 wo88tC4qCL.exe 7 2->12         started        signatures3 process4 dnsIp5 38 zunteer.zzux.com 197.153.136.106, 49733, 8808 ASMediMA Morocco 8->38 48 Antivirus detection for dropped file 8->48 50 Multi AV Scanner detection for dropped file 8->50 52 Machine Learning detection for dropped file 8->52 30 C:\Users\user\AppData\...\WindowDefender.exe, PE32 12->30 dropped 32 C:\Users\user\AppData\...\wo88tC4qCL.exe.log, ASCII 12->32 dropped 15 cmd.exe 1 12->15         started        18 cmd.exe 1 12->18         started        file6 signatures7 process8 signatures9 54 Uses schtasks.exe or at.exe to add and modify task schedules 15->54 20 conhost.exe 15->20         started        22 schtasks.exe 1 15->22         started        24 WindowDefender.exe 3 18->24         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ab32a8ecbfa1840c7b22695b2c01ec2a579aa1fc54f00220d3b26653d8082cf4
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ab32a8ecbfa1840c7b22695b2c01ec2a579aa1fc54f00220d3b26653d8082cf4/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRat
Create hunting rule
Status:
Malicious
First seen:
2025-01-24 02:38:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vmzkr3f7ugcay6zcnfnsyapmfjlzvip4ktyaeigtwjtfhwaift2a._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
error
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery rat
Link:
https://tria.ge/reports/250127-d5wzbazlen/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
zunteer.zzux.com:8808
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9625918-0
YARA:
malware_asyncrat asyncrat AsyncRat_Payload win_asyncrat_unobfuscated JPCERTCC_Asyncrat Windows_Generic_Threat_ce98c4bc
Link:
https://app.threat.zone/submission/0b98ec32-beaf-456f-ab6f-e887555667ec
Unpacked files
SH256 hash:
ab32a8ecbfa1840c7b22695b2c01ec2a579aa1fc54f00220d3b26653d8082cf4
MD5 hash:
4ba912cae58c536e84ebc0e8593d8574
SHA1 hash:
ea144e40340358fde5ef4760debd1efeffe09750
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/5a0bca2a-c38b-4e9d-b60b-c86c4d0c26f2/
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:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:AsyncRat
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
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_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:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
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)
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

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 (HIGH_ENTROPY_VA)high

Comments