MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b. 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: 16


Intelligence 16 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b
SHA3-384 hash: f7a807f00cba4bac9ce7dd6a57ffd06b705d2d2268932a833e245f8081ae528bdd22df78c17b528d05738f91cc7d8b9e
SHA1 hash: 12192723079b79c0380e63e9cf7b8c04c9d367de
MD5 hash: 43c87b0fee16a931d5202a496f726131
humanhash: oscar-ack-william-alpha
File name:17247721854992a239a10dc9d698a853fc08f17659bf477258150484d560d105950a258f8e379.dat-decoded
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:48'640 bytes
First seen:2024-08-27 15:23:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:1/IO5VILWCyh+Di90jVYsLqRl8Aoniv8YbageIQGotJeP2+vEgK/J7ZVc6KN:1/PN9ezLAJzbNjieP2+nkJ7ZVclN
TLSH T10B236E003BD8C136E6FD4BB8A8F2A1418279D65B5903CB596CC811AB2F13BC597436FE
TrID 44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:AsyncRAT base64-decoded exe


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
430
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
17247721854992a239a10dc9d698a853fc08f17659bf477258150484d560d105950a258f8e379.dat-decoded
Verdict:
Malicious activity
Analysis date:
2024-08-27 15:53:00 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/f4bdfcbf-2ef6-424e-8920-5796e319bec4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29669.UNOFFICIAL
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.Malware.Zusy-10034587-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66cdef95e026e7f769297d68
Tags:
Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b
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/96ad7991-f9da-4063-8f41-3114dd510a7e
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1499891
Signature
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b
Detection:
dcrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-08-27 15:24:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5c34rcgj5kmaz5zixshh7o7s3nw6ztlcw4ss4zz6o76m5h3ub6nq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:xxxx rat
Link:
https://tria.ge/reports/240827-ss15tsygnp/
Behaviour
Suspicious use of AdjustPrivilegeToken
AsyncRat
Malware Config
C2 Extraction:
148.113.165.11:3090
Unpacked files
SH256 hash:
e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b
MD5 hash:
43c87b0fee16a931d5202a496f726131
SHA1 hash:
12192723079b79c0380e63e9cf7b8c04c9d367de
Detections:
DCRat
Create hunting rule
AsyncRAT
Create hunting rule
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/20208dbc-948b-427a-82ab-62ff4236b78d/
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/e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b

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:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
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: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:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_DCRat_1aeea1ac
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.

4992a239a10dc9d698a853fc08f17659bf477258150484d560d105950a258f8e

AsyncRAT

Executable exe e8b7c888c9ea980cf728bc8e7fbbf2db6deccd62b7252e673e77fcce9f740f9b

(this sample)

  
Dropped by
SHA256 4992a239a10dc9d698a853fc08f17659bf477258150484d560d105950a258f8e
  
Dropped by
MD5 39b35fe6dd40d424cf6cee1d3de3c0fc
  
URLhaus
https://urlhaus.abuse.ch/url/3130985/
  
Delivery method
Distributed via web download

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

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