MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3
SHA3-384 hash: 0bf9b7507db41044ab7254451854a79376b0aff15f375f5fdb6b3842f9af23b334b9ee0ebcd3ce13810d66630e558c2e
SHA1 hash: 9ef2cb53adea59c6045a492d7b7317ecb3998373
MD5 hash: ae15992ecc241654997b0e4bcfaa07b3
humanhash: maryland-cola-sink-fix
File name:ae15992ecc241654997b0e4bcfaa07b3
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:827'392 bytes
First seen:2022-06-15 22:23:03 UTC
Last seen:2022-06-18 16:09:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:FUDM6VWVHA/L5DnbH22qla5w/yXbxFPkWtslyfZGxrNDFhmlUv2Ju:FUDM6VWKNbH0MW/IbxQ0RK5fv2Ju
TLSH T121056C4D43442D8AFCF61B7E86F30B2191029B34150F43876B69EA7A473FBCA6E79941
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8898a2ac1c9486be (8 x AsyncRAT, 2 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
international remittance $11,543.66.doc
Verdict:
Malicious activity
Analysis date:
2022-06-15 10:04:07 UTC
Tags:
exploit CVE-2017-11882 loader asyncrat trojan rat
Link:
https://app.any.run/tasks/1a9509ea-a41d-450b-a559-1d1a1c4ffd04

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/280386/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Sending an HTTP GET request
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat lokibot packed
Link:
https://www.filescan.io/uploads/62aa5c43c07f2e38a14adb83/reports/75bfaf26-d3f6-4730-be01-3b43fbcb2be5/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/b46be136-9f60-4d4c-9efb-ef581202344c
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1014114
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 646607 Sample: yqiQnv5RDT Startdate: 16/06/2022 Architecture: WINDOWS Score: 100 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 8 other signatures 2->78 10 yqiQnv5RDT.exe 5 2->10         started        process3 file4 58 C:\Users\user\AppData\Roaming\...\image.exe, PE32 10->58 dropped 60 C:\Users\user\...\image.exe:Zone.Identifier, ASCII 10->60 dropped 62 C:\Users\user\AppData\...\yqiQnv5RDT.exe.log, ASCII 10->62 dropped 84 Creates an undocumented autostart registry key 10->84 14 yqiQnv5RDT.exe 6 10->14         started        17 cmd.exe 1 10->17         started        20 powershell.exe 15 10->20         started        22 yqiQnv5RDT.exe 10->22         started        signatures5 process6 file7 64 C:\Users\user\AppData\Roaming\image.exe, PE32 14->64 dropped 24 cmd.exe 1 14->24         started        26 cmd.exe 1 14->26         started        70 Uses schtasks.exe or at.exe to add and modify task schedules 17->70 28 conhost.exe 17->28         started        30 timeout.exe 1 17->30         started        32 conhost.exe 20->32         started        signatures8 process9 process10 34 image.exe 2 24->34         started        37 conhost.exe 24->37         started        39 timeout.exe 1 24->39         started        41 conhost.exe 26->41         started        43 schtasks.exe 1 26->43         started        signatures11 80 Multi AV Scanner detection for dropped file 34->80 82 Machine Learning detection for dropped file 34->82 45 cmd.exe 34->45         started        47 powershell.exe 14 34->47         started        49 image.exe 34->49         started        process12 dnsIp13 52 conhost.exe 45->52         started        54 timeout.exe 45->54         started        56 conhost.exe 47->56         started        66 185.140.53.131, 49854, 49855, 49858 DAVID_CRAIGGG Sweden 49->66 68 192.168.2.3, 137, 138, 443 unknown unknown 49->68 process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 09:06:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z462wksluilas5rn75sywo3ighzk4wlwvx7av3mpoyeq2mgh6gzq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/220615-2bckksdcbr/
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.140.53.131:7171
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/504c240e-aea7-4a9c-8210-3e876ab5fc9e/
SH256 hash:
1349fb72336475acc998d02fcdc9fa722d11d19b152d6481cd3f7a769577c343
MD5 hash:
3d90dc2d81d4c1a9a8f64cabf079dfc1
SHA1 hash:
c710a81d424bc52fc9ce09391e4764d74da68b67
Link:
https://www.unpac.me/results/504c240e-aea7-4a9c-8210-3e876ab5fc9e/
SH256 hash:
2bd0cae6186dfd8641ead46b7624deb041ab49274e51a2653caa6d5d753de6c9
MD5 hash:
62c9ac51d2ce0e9f646d5c51bc2c4905
SHA1 hash:
1cdbb9f73ca8f388ddba2d915496e452166d2b38
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/504c240e-aea7-4a9c-8210-3e876ab5fc9e/
Parent samples :
cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3
a7245a7dfa3dd83b076608479d0a12c13f01d61b67426b9d71830a9114aab0e1
SH256 hash:
cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3
MD5 hash:
ae15992ecc241654997b0e4bcfaa07b3
SHA1 hash:
9ef2cb53adea59c6045a492d7b7317ecb3998373
Link:
https://www.unpac.me/results/504c240e-aea7-4a9c-8210-3e876ab5fc9e/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf3dab2a4ba2/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/cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
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 cf3dab2a4ba21609762dff658b3b6831f2ae5976adfe0aed8f76090d30c7f1b3

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2239641/
Cape
Cape
https://www.capesandbox.com/analysis/280386/

Comments


Avatar
zbet commented on 2022-06-15 22:23:10 UTC

url : hxxp://agricolaplc.ydns.eu/foot/image.exe