MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef73a5f8ceb7220d18ea3d2b22fbf948e7bc290f25c79bb68f29e2be30bd3068. 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: 11


Intelligence 11 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef73a5f8ceb7220d18ea3d2b22fbf948e7bc290f25c79bb68f29e2be30bd3068
SHA3-384 hash: c8b30788cfd378aa86fe1baa5d52b275b939462db4569fe52ab615682502f443c647820bd81de574c013b023f4b6d249
SHA1 hash: 5c3dca8e455361d90083af0b9e5e4613adf8902f
MD5 hash: c00f300d0d74837ec065864d1a1ea62f
humanhash: nebraska-mirror-potato-dakota
File name:Resume.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:505'856 bytes
First seen:2021-06-07 05:42:04 UTC
Last seen:2021-06-07 10:01:00 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 12288:zpEu47krBNk4VoJf5eT2Nsm+VmmAFwC4WS+Bi:zMktNXVop5eT2Nh/gWSt
Threatray 863 similar samples on MalwareBazaar
TLSH 68B4E12421FCD229DDBB9BB574A0657227A27D133105F6598CC26FFA3722F438601AB7
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
194.5.98.8:3030

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
194.5.98.8:3030 https://threatfox.abuse.ch/ioc/72145/

Intelligence

File Origin
# of uploads :
3
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Resume.exe
Verdict:
Malicious activity
Analysis date:
2021-06-07 05:54:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1efd0a67-f674-4a5c-853f-a8abb5f693be

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/164851/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.32204.25015.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Running batch commands
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/797865
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 430261 Sample: Resume.exe Startdate: 07/06/2021 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 11 other signatures 2->68 10 Resume.exe 6 2->10         started        14 configure.exe 5 2->14         started        process3 file4 54 C:\Users\user\AppData\Roaming\oveEiGWT.exe, PE32 10->54 dropped 56 C:\Users\user\AppData\Local\...\tmp7CC3.tmp, XML 10->56 dropped 58 C:\Users\user\AppData\...\Resume.exe.log, ASCII 10->58 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 10->70 72 Injects a PE file into a foreign processes 10->72 16 Resume.exe 6 10->16         started        19 schtasks.exe 1 10->19         started        21 Resume.exe 10->21         started        74 Multi AV Scanner detection for dropped file 14->74 76 Machine Learning detection for dropped file 14->76 23 schtasks.exe 14->23         started        25 configure.exe 14->25         started        signatures5 process6 file7 52 C:\Users\user\AppData\Roaming\configure.exe, PE32 16->52 dropped 27 cmd.exe 1 16->27         started        29 cmd.exe 1 16->29         started        31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        process8 process9 35 configure.exe 4 27->35         started        37 conhost.exe 27->37         started        39 timeout.exe 1 27->39         started        41 conhost.exe 29->41         started        43 schtasks.exe 1 29->43         started        process10 45 configure.exe 35->45         started        48 schtasks.exe 35->48         started        dnsIp11 60 adikremix.ydns.eu 194.5.98.8, 3030, 49738 DANILENKODE Netherlands 45->60 50 conhost.exe 48->50         started        process12
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef73a5f8ceb7220d18ea3d2b22fbf948e7bc290f25c79bb68f29e2be30bd3068/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-06 23:56:36 UTC
AV detection:
9 of 47 (19.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=55z2l6gow4ra2ghkhuvsf67zjdt3ykipexdzxnupfhrl4mf5gbua._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
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438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
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8caf62d462e50ef6d1d21a018b8c3f99ef7713af0353d7fa23660f6a6f04a4b9
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a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
c64c2b5fd4c90ac4dd5c41b733d43669fd3dfa75342d98f29b7bd3178e6374de
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
fee6cda76d8c5b289b76deba1176049e529f51ac06f817a8a22ec77b17d74f35
AsyncRAT
+ 853 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210607-9yvyv5hyle/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
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
AsyncRat
Malware Config
C2 Extraction:
adikremix.ydns.eu:3030
Unpacked files
SH256 hash:
6cc478215298f68bfa9c6276bf4580385788549265d401d8dea130a84676fd92
MD5 hash:
af21ff92a8dffc7da29b6376821988ff
SHA1 hash:
8f428fbbe667d46c6ad209a24b6be85a485b3592
Link:
https://www.unpac.me/results/42fa5cca-774f-4e1b-a2b8-6e8d17e92fb1/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/42fa5cca-774f-4e1b-a2b8-6e8d17e92fb1/
SH256 hash:
0dd721fb633fb04a37430c0334da5b1b2fdfcea28461b243d9fa40347b81735e
MD5 hash:
9ae15308490d1a233629bb6e214bc602
SHA1 hash:
4d8e041f9fbaa55ab95cef4c0b15d70feef24d40
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/42fa5cca-774f-4e1b-a2b8-6e8d17e92fb1/
Parent samples :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 hash:
ef73a5f8ceb7220d18ea3d2b22fbf948e7bc290f25c79bb68f29e2be30bd3068
MD5 hash:
c00f300d0d74837ec065864d1a1ea62f
SHA1 hash:
5c3dca8e455361d90083af0b9e5e4613adf8902f
Link:
https://www.unpac.me/results/42fa5cca-774f-4e1b-a2b8-6e8d17e92fb1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef73a5f8ceb7220d18ea3d2b22fbf948e7bc290f25c79bb68f29e2be30bd3068

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/164851/

Comments