MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd470b6e8b2d870b614d3e481406039d2f0b5cec27ed8427b76fba09f4fa692d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: cd470b6e8b2d870b614d3e481406039d2f0b5cec27ed8427b76fba09f4fa692d
SHA3-384 hash: c4cdcfa1b8690816e0207681032d51db0128c75b5c63cda8ee909a1dd9352ef40a3874176dbf520c5226fac5e7049d5b
SHA1 hash: 355f95c7e5ee52bf36c121985ed83d0aaaaf9d5f
MD5 hash: 10c8083f0fab87f085ab7f1e3b8cf0bc
humanhash: sierra-summer-yellow-carolina
File name:New PO.pdf.exe
Download: download sample
Signature AsyncRAT
File size:497'152 bytes
First seen:2022-06-09 06:34:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EeoI9q0lUfUBhPZixW2HQXkmhlk3VQaL:poIPeUBdZixNHYkG4
TLSH T168B4E0F4EEF9B9A5E1142133B8A0603C33E69E0EDC52D93AE28BF14E25536C255E5D07
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)
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
New PO.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 01:03:44 UTC
Tags:
asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Running batch commands
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
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
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 642207 Sample: New PO.pdf.exe Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 10 other signatures 2->74 10 New PO.pdf.exe 7 2->10         started        process3 file4 52 C:\Users\user\AppData\...\aEXGwXTPmxcTpF.exe, PE32 10->52 dropped 54 C:\...\aEXGwXTPmxcTpF.exe:Zone.Identifier, ASCII 10->54 dropped 56 C:\Users\user\AppData\Local\...\tmp237E.tmp, XML 10->56 dropped 58 C:\Users\user\AppData\...58ew PO.pdf.exe.log, ASCII 10->58 dropped 76 Adds a directory exclusion to Windows Defender 10->76 78 Injects a PE file into a foreign processes 10->78 14 New PO.pdf.exe 6 10->14         started        18 powershell.exe 25 10->18         started        20 schtasks.exe 1 10->20         started        signatures5 process6 dnsIp7 66 192.168.2.1 unknown unknown 14->66 60 C:\Users\user\AppData\Roaming\images.exe, PE32 14->60 dropped 22 cmd.exe 1 14->22         started        24 cmd.exe 1 14->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        file8 process9 process10 30 images.exe 5 22->30         started        33 conhost.exe 22->33         started        35 timeout.exe 1 22->35         started        37 conhost.exe 24->37         started        39 schtasks.exe 1 24->39         started        signatures11 80 Multi AV Scanner detection for dropped file 30->80 82 Machine Learning detection for dropped file 30->82 84 Adds a directory exclusion to Windows Defender 30->84 86 Injects a PE file into a foreign processes 30->86 41 powershell.exe 30->41         started        43 schtasks.exe 30->43         started        45 images.exe 30->45         started        process12 dnsIp13 48 conhost.exe 41->48         started        50 conhost.exe 43->50         started        62 91.192.100.7, 49848, 49853, 49854 AS-SOFTPLUSCH Switzerland 45->62 64 192.168.2.5, 137, 443, 49702 unknown unknown 45->64 process14
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2022-06-09 05:45:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:eloasync rat
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
91.192.100.7:8282
Unpacked files
SH256 hash:
a9cc8e12128e74cab4e166ea1a3dbaacac300c2aadc4dbf855d7c764fe7cb501
MD5 hash:
8d93ca79e3046184f4018666cae21894
SHA1 hash:
c68a221c785d71d039d6c1bdc97f9ef38d32332a
SH256 hash:
4198bc2dc997b96c1b39d3a705200e75e5f4b26f19611963beb8c6d13a4c0217
MD5 hash:
1bb2b410f87f9681d65f1dc06e42aa4d
SHA1 hash:
34ae13886b4b70ac4dbc81e490b97e2493657d97
SH256 hash:
4b3059a1fcd6c58c7fc4e574766133e89e95cb0fe6631b7f4aee664370c2571d
MD5 hash:
97f6ddc9c7e648e589849d8d6466bc18
SHA1 hash:
1104888244c872d5726728e0cb05ae6edaabf2bf
SH256 hash:
cd470b6e8b2d870b614d3e481406039d2f0b5cec27ed8427b76fba09f4fa692d
MD5 hash:
10c8083f0fab87f085ab7f1e3b8cf0bc
SHA1 hash:
355f95c7e5ee52bf36c121985ed83d0aaaaf9d5f
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AsyncRAT

Executable exe cd470b6e8b2d870b614d3e481406039d2f0b5cec27ed8427b76fba09f4fa692d

(this sample)

  
Dropped by
AsyncRAT
  
Delivery method
Distributed via e-mail attachment

Comments