MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e76fa9be747aba53d20aae6cd4d384c2a84c0b3650c87944085d12a0a713fb7. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: 1e76fa9be747aba53d20aae6cd4d384c2a84c0b3650c87944085d12a0a713fb7
SHA3-384 hash: 8110e488a8287d292e7927516797832654827495764a348124c948c1e510e59caa280a15e3767e5bd26764876d545c7f
SHA1 hash: 95d6e35f4bb46171e2506870b1da5a69647aa954
MD5 hash: be31cf2287ca0c2ab59937084cbc7a5d
humanhash: oregon-orange-oregon-sodium
File name:be31cf2287ca0c2ab59937084cbc7a5d.exe
Download: download sample
Signature AsyncRAT
File size:921'088 bytes
First seen:2021-09-07 17:59:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:PLpXk+b6umJBDAJeqtgbazb4EgNBuQfr98Iwg:PLfqBDAfgb1EeJ
Threatray 74 similar samples on MalwareBazaar
TLSH T16C1517006FEFCEDAD1AF263FA074090286FDE706566793D99B0199797A827138D113E3
dhash icon 0cd2c1c4d0c1f20c (18 x AsyncRAT, 9 x QuasarRAT, 8 x RedLineStealer)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
be31cf2287ca0c2ab59937084cbc7a5d.exe
Verdict:
Malicious activity
Analysis date:
2021-09-07 18:00:03 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Sending a UDP request
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 479281 Sample: SIuejN5Scv.exe Startdate: 07/09/2021 Architecture: WINDOWS Score: 88 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 7 SIuejN5Scv.exe 1 8 2->7         started        11 nvsphelper1.exe 2->11         started        process3 file4 35 C:\Users\user\AppData\...\nvsphelper1.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\...\SIuejN5Scv.exe, PE32 7->37 dropped 39 C:\Users\...\SIuejN5Scv.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\...\SIuejN5Scv.exe.log, ASCII 7->41 dropped 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 13 SIuejN5Scv.exe 7->13         started        17 powershell.exe 7->17         started        19 powershell.exe 62 7->19         started        21 8 other processes 7->21 signatures5 process6 dnsIp7 43 37.0.8.220, 161, 49722 WKD-ASIE Netherlands 13->43 59 Multi AV Scanner detection for dropped file 13->59 45 192.168.2.1 unknown unknown 17->45 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        29 conhost.exe 21->29         started        31 conhost.exe 21->31         started        33 5 other processes 21->33 signatures8 process9
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2021-09-07 18:00:12 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  3/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat evasion persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AsyncRat
Modifies visibility of file extensions in Explorer
Unpacked files
SH256 hash:
cdacd4b68513048a6153c6705d26feff68cf422d6fb673fbf85d84e1db39a788
MD5 hash:
0a9e9f38aa186ed50082eeffe64fe107
SHA1 hash:
ff4e0a43f9f1633bd1605ee43a25a96f62af6a8d
Detections:
win_asyncrat_w0
SH256 hash:
fd3355b238bc70b9a2a405ca0c4459bc3069ef4550aa20d0c209f3e58d572d0f
MD5 hash:
1af2088e246eeeac0237d2ac7958065c
SHA1 hash:
bc448388386174d7c2ccbf9f410597df35ce01c0
SH256 hash:
6b86ad0b00b321d88a9b984eb832421d0f7e01b5f524106bc41c5dc42d36b812
MD5 hash:
14c43fc3d822c430cb75a11ad9cfe6b7
SHA1 hash:
6bf8121c558ba0e3aae82689258146342cce8635
SH256 hash:
1e76fa9be747aba53d20aae6cd4d384c2a84c0b3650c87944085d12a0a713fb7
MD5 hash:
be31cf2287ca0c2ab59937084cbc7a5d
SHA1 hash:
95d6e35f4bb46171e2506870b1da5a69647aa954
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_zgRAT
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_w0
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.

Web download

AsyncRAT

Executable exe 1e76fa9be747aba53d20aae6cd4d384c2a84c0b3650c87944085d12a0a713fb7

(this sample)

  
Delivery method
Distributed via web download

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