MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226. 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 26 File information Comments
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SHA256 hash: d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226
SHA3-384 hash: f5addf413c998223e945cf39fd7fa07192d45a904305c5985fe9f6ad89d5d52df7747f125390e530f45cc716be6bf184
SHA1 hash: 79b2ee6e706d561533936cde87a46830fbfeec9b
MD5 hash: 2498d43b33fdf705d23a044d0704271b
humanhash: winter-october-ohio-london
File name:2498d43b33fdf705d23a044d0704271b.exe
Download: download sample
Signature AsyncRAT
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File size:48'640 bytes
First seen:2024-08-11 06:57:59 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 768:xuI9dTsErkZTWU/lPhmo2qbfhtE7Tb7PPIOinDpm0bR4bvYvrQWrfdxF+XaBDZMx:xuI9dTsXB2VTb7IOindpbR4DYTQEdxF6
TLSH T1A5232A0037E9C22BF27E4F7899F36145867BF2673A03D64A1CC451974623FC29A526FA
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)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
365
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
713e742f7314ca8d684137f996540b4b.exe
Verdict:
Malicious activity
Analysis date:
2024-08-11 07:09:47 UTC
Tags:
quasar xworm rat dcrat remote darkcrystal orcus asyncrat
Link:
https://app.any.run/tasks/6f396a58-08af-4699-8090-6b3f4f29cdfe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Razy-9625918-0
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Win.Packed.AsyncRAT-9861056-1
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b860fbb35234d5cc65cc51
Tags:
Execution Network Stealth Trojan Malware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat config-extracted fareit lolbin njrat razy reg samas schtasks vbnet
Link:
https://www.filescan.io/uploads/66b860fa9d37dfa04d275ee3/reports/f443caf8-3bde-4d9d-acac-a2894005ff17/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
Link:
https://www.hybrid-analysis.com/sample/d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226
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.
Gathering data
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1491196
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Protects its processes via BreakOnTermination flag
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
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: 1491196 Sample: k6OJCu1WI4.exe Startdate: 11/08/2024 Architecture: WINDOWS Score: 100 34 thing-wine.gl.at.ply.gg 2->34 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 8 Ass.exe 2 2->8         started        12 k6OJCu1WI4.exe 7 2->12         started        signatures3 process4 dnsIp5 36 thing-wine.gl.at.ply.gg 147.185.221.21, 49712, 49719, 49722 SALSGIVERUS United States 8->36 46 Antivirus detection for dropped file 8->46 48 Multi AV Scanner detection for dropped file 8->48 50 Protects its processes via BreakOnTermination flag 8->50 52 Machine Learning detection for dropped file 8->52 30 C:\Users\user\AppData\Local\Temp\Ass.exe, PE32 12->30 dropped 32 C:\Users\user\AppData\...\k6OJCu1WI4.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 Ass.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/d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRat
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Status:
Malicious
First seen:
2024-08-06 17:38:02 UTC
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2g5irbn3e64lkpuhkqmbwr2pi7ik7rl44qdmutay5xyrds5wgita._file
Verdict:
malicious
Label(s):
asyncrat
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Result
Malware family:
asyncrat
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Score:
  10/10
Tags:
family:asyncrat botnet:default discovery rat
Link:
https://tria.ge/reports/240811-hrg1fszbql/
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
Malware Config
C2 Extraction:
thing-wine.gl.at.ply.gg:55280
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9e13fb1c-1d99-4291-bcb2-4eb8a5c83945
Unpacked files
SH256 hash:
d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226
MD5 hash:
2498d43b33fdf705d23a044d0704271b
SHA1 hash:
79b2ee6e706d561533936cde87a46830fbfeec9b
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
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asyncrat
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Link:
https://www.unpac.me/results/46252c28-4aa5-4329-b19a-582e91171eb3/
Parent samples :
d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226
41bd2718e24b2367c4a29a6eb94045d4ce1e29b4d6ca99d7d2d8b14e316e18f5
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d1ba8885bb27/report/overview.html
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/d1ba8885bb27b8b53e8754181b474f47d0afc57ce406ca4c18edf111cbb63226

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
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Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:malware_asyncrat
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Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
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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
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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
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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_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
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Author:Johannes Bader @viql
Description:detects AsyncRAT
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