MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a070e626348cff81c78f7f55a2802dfb4de6aa425fe2d1683ec527237865fcaf. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a070e626348cff81c78f7f55a2802dfb4de6aa425fe2d1683ec527237865fcaf
SHA3-384 hash: 6eb60748cbc0646dde3465600dedfd8968348445cb18984187941d2356843e7cb7578d0f616680dbdb95cc30fae27aec
SHA1 hash: 28b49ac264ffc42ab967954e3ca4a96c52c3329e
MD5 hash: 4c58336aaa28c4cc966940f6c482d1fb
humanhash: summer-music-five-pluto
File name:4C58336AAA28C4CC966940F6C482D1FB.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:460'800 bytes
First seen:2021-06-22 00:16:18 UTC
Last seen:2021-06-22 01:08:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 6144:KWed498KcuqY7Q/5anp7sXCETDLXRmtAv7QUvVF+xB5eQtqg6ivXVCccCD90kDt3:Ka98Kcj27sX/DjeAvRvPYqkvkNq1R
Threatray 939 similar samples on MalwareBazaar
TLSH 22A48E5072FA1B65E5B9C7F5076462844BFA362E6C2EE2084DC770CF29B2F419912F27
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
37.221.122.76:7707

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
37.221.122.76:7707 https://threatfox.abuse.ch/ioc/139715/

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Discord Beta Activator.exe
Verdict:
Malicious activity
Analysis date:
2021-06-19 04:20:13 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/1661e72b-328f-4227-ae5d-cf365ae77ac7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/167412/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.800.25147.8692.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec3a24c1-0a28-4f13-b2f9-ba914da638f3
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805675
Signature
.NET source code contains very large strings
Allocates memory in foreign processes
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
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
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 438086 Sample: b4NByUUZ52.exe Startdate: 22/06/2021 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 9 other signatures 2->70 10 b4NByUUZ52.exe 6 2->10         started        process3 file4 38 C:\Users\user\AppData\Roaming\nICwwi.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpABF0.tmp, XML 10->40 dropped 42 C:\Users\user\AppData\...\b4NByUUZ52.exe.log, ASCII 10->42 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 10->78 80 Writes to foreign memory regions 10->80 82 Allocates memory in foreign processes 10->82 84 Injects a PE file into a foreign processes 10->84 14 MSBuild.exe 2 4 10->14         started        19 schtasks.exe 1 10->19         started        signatures5 process6 dnsIp7 60 jeazerlog.duckdns.org 37.221.122.76, 49757, 49760, 7707 M247GB Germany 14->60 52 C:\Users\user\AppData\Local\Temp\qragfj.exe, PE32+ 14->52 dropped 62 Tries to harvest and steal browser information (history, passwords, etc) 14->62 21 cmd.exe 1 14->21         started        24 conhost.exe 19->24         started        file8 signatures9 process10 signatures11 74 Suspicious powershell command line found 21->74 76 Bypasses PowerShell execution policy 21->76 26 powershell.exe 14 21->26         started        28 conhost.exe 21->28         started        process12 process13 30 qragfj.exe 22 26->30         started        file14 44 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 30->44 dropped 46 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 30->46 dropped 48 C:\Users\user\AppData\Local\...\python39.dll, PE32+ 30->48 dropped 50 16 other files (none is malicious) 30->50 dropped 86 May check the online IP address of the machine 30->86 34 qragfj.exe 1 30->34         started        signatures15 process16 dnsIp17 54 ifconfig.me 34.117.59.81 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 34->54 56 162.159.128.233 CLOUDFLARENETUS United States 34->56 58 discord.com 162.159.138.232 CLOUDFLARENETUS United States 34->58 72 Tries to harvest and steal browser information (history, passwords, etc) 34->72 signatures18
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a070e626348cff81c78f7f55a2802dfb4de6aa425fe2d1683ec527237865fcaf/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-06-19 00:48:32 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ubyomjrurt7ydr4pp5k2fabn7ng6nkscl7rnc2b6yutsg6df7sxq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
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438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
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c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
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ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
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d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
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AsyncRAT
+ 929 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat pyinstaller rat
Link:
https://tria.ge/reports/210622-g5pn9s4mta/
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
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
jeazerlog.duckdns.org:6606
jeazerlog.duckdns.org:7707
jeazerlog.duckdns.org:8808
Unpacked files
SH256 hash:
4005935be6803fa40b1e057379a394a33f85c416a63abc3edeb0d7ebe1f5de26
MD5 hash:
ec60f41c10d22e3378929fc1cede953d
SHA1 hash:
ec0a313c97cdfb8865068cf94697b0355ec40363
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/49d9c02a-94b4-4bac-8f7d-de072d7f1d8e/
SH256 hash:
b5fb0dbfa13a0a02ee14f97a86d2d56157ca562ceec95b9509d801502d68c4bc
MD5 hash:
2d3c4fd5d88353aee222c3b17be290ce
SHA1 hash:
ac2b44c9e418c7fd6d1b3f5c4f6f6d34f74c473d
Link:
https://www.unpac.me/results/49d9c02a-94b4-4bac-8f7d-de072d7f1d8e/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/49d9c02a-94b4-4bac-8f7d-de072d7f1d8e/
SH256 hash:
a070e626348cff81c78f7f55a2802dfb4de6aa425fe2d1683ec527237865fcaf
MD5 hash:
4c58336aaa28c4cc966940f6c482d1fb
SHA1 hash:
28b49ac264ffc42ab967954e3ca4a96c52c3329e
Link:
https://www.unpac.me/results/49d9c02a-94b4-4bac-8f7d-de072d7f1d8e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/a070e626348cff81c78f7f55a2802dfb4de6aa425fe2d1683ec527237865fcaf

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:pe_imphash
Create hunting rule
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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.

Cape
Cape
https://www.capesandbox.com/analysis/167412/

Comments