MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f166ddf1cb703473aab067ef7042038b536a0c7c81803e8a29545e20d800cac. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
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SHA256 hash: 4f166ddf1cb703473aab067ef7042038b536a0c7c81803e8a29545e20d800cac
SHA3-384 hash: 4ec3d39bfd23574742aebe56cf552eefc7e4045cc4c4fc6b1e0704d8465591f92094c4cfd6aa0ae60edee1311aef0580
SHA1 hash: 7495d1fe9125e0fb7ad46fc3d05397a1937a3964
MD5 hash: 7805a09ce37e152a4f15d00fb0364097
humanhash: alpha-alanine-three-rugby
File name:SecuriteInfo.com.Heur.MSIL.Androm.1.13901.8629
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:553'984 bytes
First seen:2021-10-11 08:18:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:ATqZ4xjyW0zKfxK1W/wuYBZbBsVSydsrfhMieqk:KqZ4dyT+Z6BsV9oPS
Threatray 1'850 similar samples on MalwareBazaar
TLSH T190C40182A348B233E8DDD5BAC35EE256FF917DAE4411AA7FB0D432CB27737254A00165
File icon (PE):PE icon
dhash icon 64e4cec8d0d8d8d4 (1 x AsyncRAT)
Reporter SecuriteInfoCom
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
wordart.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 08:52:07 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/808dd74a-3b64-4dad-9cf4-7315e2477e05

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/196529/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Androm.1.13901.8629.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
Creating a file in the %AppData% directory
Enabling autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6163f37a3831960005b3f542/reports/ef726719-0485-4e54-a885-cf3fe587a32a/overview
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/868091
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Used To Disable Windows Defender AV Security Monitoring
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500519 Sample: SecuriteInfo.com.Heur.MSIL.... Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 7 SecuriteInfo.com.Heur.MSIL.Androm.1.13901.exe 1 6 2->7         started        process3 file4 24 C:\Users\user\AppData\Roaming\firefox.exe, PE32 7->24 dropped 26 SecuriteInfo.com.H....Androm.1.13901.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 7->28 dropped 30 3 other malicious files 7->30 dropped 46 Creates an undocumented autostart registry key 7->46 48 Writes to foreign memory regions 7->48 50 Allocates memory in foreign processes 7->50 52 2 other signatures 7->52 11 SecuriteInfo.com.Heur.MSIL.Androm.1.13901.exe 2 7->11         started        15 AdvancedRun.exe 1 7->15         started        17 AdvancedRun.exe 1 7->17         started        signatures5 process6 dnsIp7 34 chonglee575.duckdns.org 141.101.134.51, 49746 NETZBETRIEB-GMBHDE Netherlands 11->34 36 chongmei33.publicvm.com 141.101.134.39, 2703 NETZBETRIEB-GMBHDE Netherlands 11->36 54 Antivirus detection for dropped file 11->54 56 Multi AV Scanner detection for dropped file 11->56 58 Machine Learning detection for dropped file 11->58 19 AdvancedRun.exe 15->19         started        22 AdvancedRun.exe 17->22         started        signatures8 process9 dnsIp10 32 192.168.2.1 unknown unknown 19->32
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f166ddf1cb703473aab067ef7042038b536a0c7c81803e8a29545e20d800cac/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2021-10-10 23:22:41 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4lg3xy4w4buoovlaz7pobbahc2tnighzamah2fcsvc6edmabswa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
096828f870c34c74c45535a4ee1b8154d95f71fe332397b8b4d43cb6e4377b8f
AsyncRAT
1578d1e95037312fdbb8e0f46f086316e68bad3b9c8cd9a5a9a113fc6a883b90
AsyncRAT
19f17d84c67985de677ea0f746955f709106d8833311d3b8c9b67491d0498ff0
AsyncRAT
34f8bcf6b03161c345bac8ab9238cbe95865e69d25f597ca111bf22b0f887717
AsyncRAT
3749646ab64511b608918d8aacb89dfaee1bc8a0be15247ee7e804f9f7be6627
AsyncRAT
866ac65940057d6e1a125eda23a12d6743d75e6ff3a74ff6d53debb3fe90a368
AsyncRAT
a576dd4d6b216109bf7044bc90ebd70a2205bffb43272b28f8f112b480eecea5
AsyncRAT
bcfcc5a278671fbe1b5f5f27c6d61921add83e57a0c61f80a165455b3fe0875a
AsyncRAT
bd4af83b1454acb3d9d3d14367f26bc0491e4687f8590b982dd9eafc9ab783e7
AsyncRAT
dd14caa036246f9cd233f3e80919d8565a8325b1c66794dd6a854b064aad0424
AsyncRAT
+ 1'840 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:sept persistence rat
Link:
https://tria.ge/reports/211011-j7wdfsgffl/
Behaviour
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
Nirsoft
AsyncRat
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49746
chonglee575.duckdns.org:2703
chonglee575.duckdns.org:49746
Unpacked files
SH256 hash:
3da80bd8e18bf2ef5e28f5e2e0d2095b0d4e65391800ce18f9a18859d7beb220
MD5 hash:
5dbed7594d4c8d71c1882692e6776bf0
SHA1 hash:
8552a2f2afca501945fe57c1875970b6f777f709
Link:
https://www.unpac.me/results/dbcc9c2a-35b8-4cc7-a300-d028f9d8415d/
SH256 hash:
257c4b615178acd616cf69388e43c0f6baad0f7270a36cfbc4fbcfdb105cde2a
MD5 hash:
bbdee191dcc59136365b6b9e51db4fc0
SHA1 hash:
9ee131f2aceb84972b74facea0e42f1b58a654dc
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/dbcc9c2a-35b8-4cc7-a300-d028f9d8415d/
SH256 hash:
8ee90afdbb6ecd11c326508ad9cb1c4b3cd894fdcf43fed526e48b4903625671
MD5 hash:
17da15848bb1119cb5f738d6fc7c577d
SHA1 hash:
f5b65d30a95bd634ba4f7e5eab9184344fafdcbc
Link:
https://www.unpac.me/results/dbcc9c2a-35b8-4cc7-a300-d028f9d8415d/
SH256 hash:
4f166ddf1cb703473aab067ef7042038b536a0c7c81803e8a29545e20d800cac
MD5 hash:
7805a09ce37e152a4f15d00fb0364097
SHA1 hash:
7495d1fe9125e0fb7ad46fc3d05397a1937a3964
Link:
https://www.unpac.me/results/dbcc9c2a-35b8-4cc7-a300-d028f9d8415d/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4f166ddf1cb7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4f166ddf1cb703473aab067ef7042038b536a0c7c81803e8a29545e20d800cac

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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 4f166ddf1cb703473aab067ef7042038b536a0c7c81803e8a29545e20d800cac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1665122/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/196529/

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