MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b4c88a906b0e2c1c50cee50958cfc23fa8e61685de161308560614c1f3c0e6b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b4c88a906b0e2c1c50cee50958cfc23fa8e61685de161308560614c1f3c0e6b
SHA3-384 hash: 562607929fdc9b46c96cb1f7107045004f23db96f6756470effffc21d0971fb2fdac6f7c03c90306ac882fd0d1dee4f8
SHA1 hash: 07871260571293c385ebc302c500ef351ecd9a69
MD5 hash: 9d0446099d4bb19f58f4e43b80971b7c
humanhash: twenty-pluto-mockingbird-missouri
File name:9d0446099d4bb19f58f4e43b80971b7c.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'003'008 bytes
First seen:2022-01-07 13:42:34 UTC
Last seen:2022-01-07 16:14:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:GociOWesxTKE77yaclg76aCcRXzK8rtxVvPEEN/30YfOrzse1Ue4VfA5be:xyg76afXzK8rtxVvPEc3fOXseNaWC
Threatray 170 similar samples on MalwareBazaar
TLSH T154258D8917D82A19F3EE263BE5F0AB9687B5F960E76FD34F10541DAD0C46B924C02723
File icon (PE):PE icon
dhash icon 90ccccc0cccccca2 (1 x AZORult, 1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
349
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9d0446099d4bb19f58f4e43b80971b7c.exe
Verdict:
Malicious activity
Analysis date:
2022-01-07 13:46:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/52602d78-c8b8-4dd2-a59f-bf23d797dd76

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/217722/
Detection(s):
SecuriteInfo.com.Trojan-Downloader.MSIL.Agent.1612.2355.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Sending a UDP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61d8436a02e388f9fdb31880/reports/73231ec9-eac3-403e-a10a-f0a5f8adc47d/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/3e6eaac0-8290-4c9f-8c3d-377afe6d00ed
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/916838
Signature
Allocates memory in foreign processes
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Encoded PowerShell Command Line
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 549316 Sample: TtbGUPFHJ1.exe Startdate: 07/01/2022 Architecture: WINDOWS Score: 88 65 icando.ug 2->65 75 Yara detected AsyncRAT 2->75 77 Sigma detected: WScript or CScript Dropper 2->77 79 Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments 2->79 81 2 other signatures 2->81 9 TtbGUPFHJ1.exe 4 7 2->9         started        13 scxsas.exe 2->13         started        15 scxsas.exe 2->15         started        signatures3 process4 file5 57 C:\Users\user\AppData\Roaming\scxsas.exe, PE32 9->57 dropped 59 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 9->59 dropped 61 C:\Users\user\...\scxsas.exe:Zone.Identifier, ASCII 9->61 dropped 63 C:\Users\user\AppData\...\Tsduicdoyvaff.vbs, ASCII 9->63 dropped 83 Encrypted powershell cmdline option found 9->83 85 Writes to foreign memory regions 9->85 87 Allocates memory in foreign processes 9->87 89 Injects a PE file into a foreign processes 9->89 17 powershell.exe 9 9->17         started        20 wscript.exe 9->20         started        22 powershell.exe 8 9->22         started        34 4 other processes 9->34 24 powershell.exe 13->24         started        26 powershell.exe 13->26         started        28 conhost.exe 13->28         started        30 powershell.exe 15->30         started        32 conhost.exe 15->32         started        signatures6 process7 dnsIp8 71 Uses ipconfig to lookup or modify the Windows network settings 17->71 37 conhost.exe 17->37         started        39 ipconfig.exe 1 17->39         started        73 Wscript starts Powershell (via cmd or directly) 20->73 41 powershell.exe 20->41         started        43 conhost.exe 22->43         started        45 ipconfig.exe 1 22->45         started        51 2 other processes 24->51 47 conhost.exe 26->47         started        49 conhost.exe 30->49         started        67 icacxndo.ac.ug 194.5.98.107, 49811, 6970 DANILENKODE Netherlands 34->67 69 icando.ug 34->69 53 2 other processes 34->53 signatures9 process10 process11 55 conhost.exe 41->55         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b4c88a906b0e2c1c50cee50958cfc23fa8e61685de161308560614c1f3c0e6b/
Threat name:
ByteCode-MSIL.Ransomware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-01-07 13:43:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dngirkigwdrmdrim5zijldh4ep5i4ylilxqwcmefmbquyhz4bzvq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
04a31ae8a31bb4144d7392040442f4a38e8301cc550124cc47d012a0eba71bdd
AsyncRAT
21caa48efbe81da3c1c58b69610c43a0d913eb95d0892f24e7477d6ab446f36c
AsyncRAT
670b9dc5f9ab7bf8ac18a526a492092b872782c514b5e772375c0c6392e926fa
AsyncRAT
6f40028f8cc674a39ca5564371ec08400e09c0f04cb55dba2f2791292e80920c
AsyncRAT
855f3c89419401c9596c74f4a05b3d7cf951c2038513b8b005bcdaf5abff06c4
AsyncRAT
875ddce13022bafdf9e27f3eab2af78147c589037bf9c86192091e3843cedb16
AsyncRAT
daff09e7c2422769ee94d911316aa55b00438031df7fb1faee7ad0856f3f6f53
AsyncRAT
f32ff0f8fe78ad69e72c054fe28f44e6ce6b9d4109b909fa917a3a526f1c84cb
AsyncRAT
+ 160 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/220107-qz83xaccf7/
Behaviour
Gathers network information
Modifies registry class
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
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
1b4c88a906b0e2c1c50cee50958cfc23fa8e61685de161308560614c1f3c0e6b
MD5 hash:
9d0446099d4bb19f58f4e43b80971b7c
SHA1 hash:
07871260571293c385ebc302c500ef351ecd9a69
Link:
https://www.unpac.me/results/cae62008-b45e-48a2-b9c4-3d15e35cd437/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/1b4c88a906b0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1b4c88a906b0e2c1c50cee50958cfc23fa8e61685de161308560614c1f3c0e6b

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 1b4c88a906b0e2c1c50cee50958cfc23fa8e61685de161308560614c1f3c0e6b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948787/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/217722/

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