MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9
SHA3-384 hash: 955646864c6ef9189b9eb2e2936f9284d257690d506c5a08029f6d9bdf501adfe2b70f279742d549fd763eeca6bb9633
SHA1 hash: 20c065acae20ea619ede0d2c5e47b4caef93851f
MD5 hash: ec5f4f296db46e34b3b93e029259ac48
humanhash: king-violet-yankee-minnesota
File name:NewProject-9072551776254517715425441524255614.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:422'400 bytes
First seen:2021-09-03 03:16:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:DLhAVu9S6dF/ruOgIyrBkWAPnqVHC5iKqFJg2rcSLDnffLhgb:Dt2rcSLDnf9
Threatray 1'692 similar samples on MalwareBazaar
TLSH T15C94399E7E098663ED0D9072969D0F6CAB521B03B6A35B8127AB1EC4774DDB53C0DCC8
dhash icon f0dcf86868f8dcf0 (1 x AsyncRAT, 1 x GoInjector)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.157.160.229:8990

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.157.160.229:8990 https://threatfox.abuse.ch/ioc/214924/

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NewProject-9072551776254517715425441524255614.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 03:18:35 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/cd442d0f-f2f6-4d56-ad6d-0a81a38146bd

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/184988/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/3b4f0cea-baef-4289-93e0-1530958957ed
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844479
Signature
.NET source code contains potential unpacker
Binary or sample is protected by dotNetProtector
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to delay execution (extensive OutputDebugStringW loop)
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
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 476910 Sample: NewProject-9072551776254517... Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 44 clientconfig.passport.net 2->44 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Yara detected AsyncRAT 2->56 58 7 other signatures 2->58 8 NewProject-9072551776254517715425441524255614.exe 4 2->8         started        11 oraclecorporation.exe 3 2->11         started        signatures3 process4 signatures5 60 Writes to foreign memory regions 8->60 62 Tries to delay execution (extensive OutputDebugStringW loop) 8->62 64 Injects a PE file into a foreign processes 8->64 13 cmd.exe 3 8->13         started        16 cmd.exe 1 8->16         started        19 RegAsm.exe 15 2 8->19         started        66 Machine Learning detection for dropped file 11->66 22 cmd.exe 1 11->22         started        24 cmd.exe 1 11->24         started        26 RegAsm.exe 3 11->26         started        process6 dnsIp7 40 C:\Users\user\...\oraclecorporation.exe, PE32 13->40 dropped 42 C:\...\oraclecorporation.exe:Zone.Identifier, ASCII 13->42 dropped 28 conhost.exe 13->28         started        50 Uses schtasks.exe or at.exe to add and modify task schedules 16->50 30 conhost.exe 16->30         started        32 schtasks.exe 1 16->32         started        46 185.157.160.229, 49703, 8990 OBE-EUROPEObenetworkEuropeSE Sweden 19->46 48 pastebin.com 104.23.99.190, 443, 49702 CLOUDFLARENETUS United States 19->48 34 conhost.exe 22->34         started        36 schtasks.exe 1 22->36         started        38 conhost.exe 24->38         started        file8 signatures9 process10
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-09-03 03:17:05 UTC
AV detection:
10 of 43 (23.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zetuqquk6gag2twmoav45cwzvpfmnnzy44qi2nmgiugljfckq6uq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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AsyncRAT
507cd77f0000cc2af40601e9121683769ea55d389a1df1c7832a103785711fb4
AsyncRAT
55580a7b5ec8510e0bf498f20928778b6c7b2071a31d8332f809a7a718c66b48
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71f5a0e02cfd97625bfaf4c5e48825b8b08262a7ac89f1b7f8ae82c1200205f8
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b28ddf6937378f3b331f7f19b968e4f0f785d3799aafe32758b6be2496dd6f69
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cb5bc89cd1ed26277efef096f0db68a21d74e301e866e7bb14fb0c1207cd64eb
AsyncRAT
e5a6c4d10951823971b02b5a710c7aab484fb902b1e50f563a2dfccacfab4b63
AsyncRAT
f20d2b9da240b7cadb6045a4152636c7cb71b13204aaae35e4a927aaeab23520
AsyncRAT
+ 1'682 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210903-ds2n2abhh6/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
c590731eb7a0d6380bb83c2330556fcfe0633315439ef6bc8eab928480257828
MD5 hash:
eaf651d7427b4a0d806502d7b64ca0f4
SHA1 hash:
51d51b67e2fde7c75d9c6625791bb47fa6729688
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/9845c6c8-cd4b-48b5-8d50-643d9f55e99a/
SH256 hash:
c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9
MD5 hash:
ec5f4f296db46e34b3b93e029259ac48
SHA1 hash:
20c065acae20ea619ede0d2c5e47b4caef93851f
Link:
https://www.unpac.me/results/9845c6c8-cd4b-48b5-8d50-643d9f55e99a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c92748428af1/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/c92748428af1806d4ecc702bce8ad9abcac6b738e7208d3586450cb4944a87a9

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/184988/

Comments