MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b. 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 YARA 3 File information Comments

SHA256 hash: 4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b
SHA3-384 hash: 4f013b0a5a1c17c3725361794183f3f79788c5eb33a1f9af09d524d4acd4c7bf8771c1d18ade718aa2bf65d4affb5bab
SHA1 hash: 63f73481179f423eb122ebd4250e38e51bd74763
MD5 hash: 8c1d12933f362e34441a2fc148eadcfc
humanhash: football-enemy-island-cola
File name:4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b
Download: download sample
Signature AsyncRAT
File size:1'064'448 bytes
First seen:2021-08-30 06:18:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:3yRkECcaODVVFFYJDc9F3nC0Py3gAhjIIalhB72wXzn541SZCybh62IMNd2RmdvR:3j2TFFY4blhBKwq1mCytNIMr2SUU
Threatray 1'285 similar samples on MalwareBazaar
TLSH T10835A53916B82B27E079E365E6E44417B3E4A45FB225ED59BCCA03E70206F4265C373E
Reporter JAMESWT_WT
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b
Verdict:
Malicious activity
Analysis date:
2021-08-30 06:39:49 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Running batch commands
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains very large strings
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474538 Sample: l8Bg3M4Obd Startdate: 31/08/2021 Architecture: WINDOWS Score: 88 64 ambiboss.ydns.eu 2->64 72 Multi AV Scanner detection for dropped file 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Yara detected AntiVM3 2->76 78 3 other signatures 2->78 11 l8Bg3M4Obd.exe 7 2->11         started        15 USBupd.exe 5 2->15         started        signatures3 process4 file5 58 C:\Users\user\AppData\Roaming\dzyQqd.exe, PE32 11->58 dropped 60 C:\Users\user\AppData\Local\Temp\tmp1E.tmp, XML 11->60 dropped 62 C:\Users\user\AppData\...\l8Bg3M4Obd.exe.log, ASCII 11->62 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 11->80 82 Injects a PE file into a foreign processes 11->82 17 l8Bg3M4Obd.exe 6 11->17         started        20 schtasks.exe 1 11->20         started        22 l8Bg3M4Obd.exe 11->22         started        84 Multi AV Scanner detection for dropped file 15->84 24 schtasks.exe 15->24         started        26 USBupd.exe 15->26         started        signatures6 process7 file8 56 C:\Users\user\AppData\Roaming\USBupd.exe, PE32 17->56 dropped 28 cmd.exe 1 17->28         started        30 cmd.exe 1 17->30         started        32 conhost.exe 20->32         started        process9 process10 34 USBupd.exe 4 28->34         started        37 timeout.exe 1 28->37         started        39 conhost.exe 28->39         started        41 conhost.exe 30->41         started        43 schtasks.exe 1 30->43         started        signatures11 70 Injects a PE file into a foreign processes 34->70 45 USBupd.exe 34->45         started        48 schtasks.exe 34->48         started        50 USBupd.exe 34->50         started        52 conhost.exe 37->52         started        process12 dnsIp13 66 ambiboss.ydns.eu 79.134.225.72, 49710, 49712, 49722 FINK-TELECOM-SERVICESCH Switzerland 45->66 68 185.140.53.8, 49715, 49721, 49723 DAVID_CRAIGGG Sweden 45->68 54 conhost.exe 48->54         started        process14
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-16 19:51:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
33 of 46 (71.74%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.140.53.8:6060
ambiboss.ydns.eu:6060
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
SH256 hash:
62e4d233050fef871f33a2d4f92b98c4ec8ac1c24c13ef84a0cd0f06102d55e1
MD5 hash:
a06bf90367afdf4a709faca430525660
SHA1 hash:
a2c5a2f8b8eaec6694fc7ffaa94851bf3d3ca49e
SH256 hash:
4dce2f685bc8253951ff822d0febac76ceb6e2c926f831dbd16b1221046a448b
MD5 hash:
8c1d12933f362e34441a2fc148eadcfc
SHA1 hash:
63f73481179f423eb122ebd4250e38e51bd74763
Malware family:
AsyncRAT
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments