MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
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SHA256 hash: f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53
SHA3-384 hash: 3e78c2bcfa89702a8c609b09524a5c9e1772d91a07728d88863de09d3fc3f0e8217d8cb44134405c71fe9ae84b9bfbfe
SHA1 hash: 2fec69eee6add2bf2da5b4e32d60f9a0305c1157
MD5 hash: fbe94d630934177ade942adfd8e66053
humanhash: jig-cat-nebraska-diet
File name:fbe94d630934177ade942adfd8e66053.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:378'368 bytes
First seen:2022-08-29 10:24:31 UTC
Last seen:2022-08-29 10:58:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:cEb1/hl8m99rLozmeLIwOxnLa3/AbmF+yA8HsPTWInfVL4ybP9:cE55lL99PozNLEgAlyALPTWCB4Cl
TLSH T120848D716E57A089D4FE47F1391A92038FEE6DED19B8C366213033390EF53AD8956272
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon f0cc96e8cce8d4f0 (18 x SnakeKeylogger, 5 x Formbook, 5 x Loki)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fbe94d630934177ade942adfd8e66053.exe
Verdict:
No threats detected
Analysis date:
2022-08-29 10:32:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c3907582-ca70-4d4c-bcc7-a53c8c62bf8f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/302184/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.27679.24799.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/630c945cfbf1afa49277a1e0/reports/cd494d7e-a1e3-4fba-8ef7-d86cdfc5c631/overview
Result
Verdict:
UNKNOWN
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/ecf1bbef-92dd-4eb3-a274-610a4f72e49b
Result
Threat name:
AsyncRAT, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059796
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 692313 Sample: XvzKq52Adr.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 32 www.augusttreeflowerfarm.com 2->32 34 www.optimus.wtf 2->34 36 augusttreeflowerfarm.com 2->36 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 8 other signatures 2->52 9 XvzKq52Adr.exe 15 4 2->9         started        signatures3 process4 dnsIp5 40 onedrive.live.com 9->40 42 l-0004.l-dc-msedge.net 9->42 44 2 other IPs or domains 9->44 30 C:\Users\user\AppData\...\XvzKq52Adr.exe.log, ASCII 9->30 dropped 56 Encrypted powershell cmdline option found 9->56 58 Injects a PE file into a foreign processes 9->58 14 XvzKq52Adr.exe 9->14         started        17 powershell.exe 17 9->17         started        19 XvzKq52Adr.exe 9->19         started        file6 signatures7 process8 signatures9 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 21 explorer.exe 14->21 injected 25 conhost.exe 17->25         started        process10 dnsIp11 38 www.vlon.net 38.35.102.76, 49763, 80 COGENT-174US United States 21->38 54 System process connects to network (likely due to code injection or exploit) 21->54 27 wscript.exe 21->27         started        signatures12 process13 signatures14 60 Deletes itself after installation 27->60 62 Modifies the context of a thread in another process (thread injection) 27->62 64 Maps a DLL or memory area into another process 27->64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-08-29 10:03:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6sbue2mdh6nrc5fp2ai2bodxk2urkrvk75vjhqjeiyxspof4bzjq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220829-mfyw2sfgaj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53
MD5 hash:
fbe94d630934177ade942adfd8e66053
SHA1 hash:
2fec69eee6add2bf2da5b4e32d60f9a0305c1157
Link:
https://www.unpac.me/results/1404463b-bc1c-4291-a801-1a6594082453/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe f4834269833f9b1174afd011a0b87756a91546aaff6a93c124462f27b8bc0e53

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/302184/
  
URLhaus
https://urlhaus.abuse.ch/url/2280464/
  
Delivery method
Distributed via web download

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