MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b664d6b89eabbac55c8927fa29d2669ba629a40f1abbf12d76f8d9b14e4facb. 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: 12


Intelligence 12 IOCs 1 YARA 3 File information Comments

SHA256 hash: 6b664d6b89eabbac55c8927fa29d2669ba629a40f1abbf12d76f8d9b14e4facb
SHA3-384 hash: e0bacbaae1a92c2d7ba13db4051171a659afe16145ee2be3a76010ec0802c28138c64799b8b2a058e030b9daa2b53224
SHA1 hash: 74eddfe67d56a745edd329694ee50d7dfed4554a
MD5 hash: ff7e550b84c874875fed760f65b5b6e6
humanhash: hotel-ack-william-kansas
File name:FF7E550B84C874875FED760F65B5B6E6.exe
Download: download sample
Signature AsyncRAT
File size:329'728 bytes
First seen:2021-06-29 20:01:55 UTC
Last seen:2021-06-29 20:43:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:BxD4v106SfqYV9q7PS76tBqvqponqW6MJzCMRJvPNsnecfgxPBIvcp9Us92L0wh3:BxESWuszVtBNponqdAzCMcecIPBIvcwn
Threatray 873 similar samples on MalwareBazaar
TLSH 2664F1257AFAC11AD4B98BB829D57A42D7BAF2933707F619059401CB0BD3B80CC527B7
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
45.144.154.150:4784

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
45.144.154.150:4784 https://threatfox.abuse.ch/ioc/155832/

Intelligence


File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FF7E550B84C874875FED760F65B5B6E6.exe
Verdict:
Malicious activity
Analysis date:
2021-06-29 20:06:06 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies Group Policy settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to evade analysis by execution special instruction which cause usermode exception
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Defender Control Hacktool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 442079 Sample: GvmWIpt62P.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 107 nagano-19599.herokussl.com 2->107 109 elb097307-934924932.us-east-1.elb.amazonaws.com 2->109 111 api.ipify.org 2->111 117 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->117 119 Found malware configuration 2->119 121 Antivirus detection for dropped file 2->121 123 13 other signatures 2->123 11 GvmWIpt62P.exe 15 7 2->11         started        16 Process.exe 2->16         started        18 Bypass.exe 3 2->18         started        20 2 other processes 2->20 signatures3 process4 dnsIp5 115 cdn.discordapp.com 162.159.133.233, 443, 49726 CLOUDFLARENETUS United States 11->115 91 C:\Users\user\AppData\...\VKOYzHFCXcmPxI.exe, PE32 11->91 dropped 93 C:\Users\user\AppData\Local\Temp\System.exe, PE32 11->93 dropped 95 C:\Users\user\AppData\Local\...\tmpF9E6.tmp, XML 11->95 dropped 97 C:\Users\user\AppData\...behaviorgraphvmWIpt62P.exe.log, ASCII 11->97 dropped 149 Uses schtasks.exe or at.exe to add and modify task schedules 11->149 151 Writes to foreign memory regions 11->151 153 Allocates memory in foreign processes 11->153 155 Injects a PE file into a foreign processes 11->155 22 System.exe 11 11->22         started        26 MSBuild.exe 2 5 11->26         started        29 schtasks.exe 1 11->29         started        99 C:\Users\user\AppData\Local\...\process.exe, PE32 16->99 dropped 31 cmd.exe 16->31         started        101 C:\Users\user\AppData\Local\...\Defender.exe, PE32 18->101 dropped 33 Defender.exe 6 18->33         started        35 WerFault.exe 18->35         started        37 WerFault.exe 18->37         started        103 C:\Users\user\AppData\Local\...\Defender.exe, PE32+ 20->103 dropped 39 cmd.exe 20->39         started        file6 signatures7 process8 dnsIp9 73 C:\Users\user\AppData\Local\...\Process.exe, PE32 22->73 dropped 75 C:\Users\user\AppData\Local\...\Defender.exe, PE32+ 22->75 dropped 77 C:\Users\user\AppData\Local\...\Bypass.exe, PE32 22->77 dropped 131 Multi AV Scanner detection for dropped file 22->131 133 Detected unpacking (overwrites its own PE header) 22->133 41 cmd.exe 4 22->41         started        113 alemdar571.duckdns.org 45.144.154.150, 18, 49732, 49741 CMCSUS Germany 26->113 79 C:\Users\user\AppData\Local\Temp\fihwlg.exe, PE32+ 26->79 dropped 81 C:\Users\user\AppData\Local\Temp\ykcieo.exe, PE32 26->81 dropped 135 Tries to harvest and steal browser information (history, passwords, etc) 26->135 45 cmd.exe 26->45         started        47 conhost.exe 29->47         started        49 process.exe 31->49         started        51 conhost.exe 31->51         started        83 C:\Windows\System32behaviorgraphroupPolicy\gpt.ini, ASCII 33->83 dropped 137 Modifies Group Policy settings 33->137 53 Defender.exe 33->53         started        139 Tries to evade analysis by execution special instruction which cause usermode exception 35->139 55 Defender.exe 39->55         started        57 conhost.exe 39->57         started        file10 signatures11 process12 file13 85 C:\Users\user\AppData\Roaming\...\Process.exe, PE32 41->85 dropped 87 C:\Users\user\AppData\...\Defender.exe, PE32+ 41->87 dropped 89 C:\Users\user\AppData\Roaming\...\Bypass.exe, PE32 41->89 dropped 141 Drops PE files to the startup folder 41->141 59 conhost.exe 41->59         started        61 conhost.exe 45->61         started        143 Antivirus detection for dropped file 49->143 145 Multi AV Scanner detection for dropped file 49->145 63 Defender.exe 49->63         started        147 Machine Learning detection for dropped file 55->147 signatures14 process15 file16 105 C:\Users\user\AppData\Local\...\Defender.exe, PE32+ 63->105 dropped 66 cmd.exe 63->66         started        process17 process18 68 Defender.exe 66->68         started        71 conhost.exe 66->71         started        signatures19 125 Antivirus detection for dropped file 68->125 127 Multi AV Scanner detection for dropped file 68->127 129 Machine Learning detection for dropped file 68->129
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-19 21:41:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat pyinstaller rat spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Detects Pyinstaller
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
alemdar571.duckdns.org:59
alemdar571.duckdns.org:18
alemdar571.duckdns.org:4784
alemdar571.duckdns.org:5900
Unpacked files
SH256 hash:
4c3cbd8df6bf267dddd8ffa6e7188ffd7c50d3097c1c12984e920adeb748317d
MD5 hash:
aa40344b0d376c9afa935fa4ee67d577
SHA1 hash:
f24a6a6c95449b7b741ef2d90d3a0f7e8c83fab5
SH256 hash:
a7e872660bf0a88f6dba5ce158438918b210a19f96b161c1df299a08bb3e848b
MD5 hash:
51984f0f1ae76c6ea27849ca5452b986
SHA1 hash:
9ee4916dc3e1675ca919c09751491aa868f79aaf
Detections:
win_asyncrat_w0
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
6b664d6b89eabbac55c8927fa29d2669ba629a40f1abbf12d76f8d9b14e4facb
MD5 hash:
ff7e550b84c874875fed760f65b5b6e6
SHA1 hash:
74eddfe67d56a745edd329694ee50d7dfed4554a
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
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