MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ba9f473a65c0fd3cebc9527d9d4db323829e4d304585eb21c917b77e2dc17ec. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 7ba9f473a65c0fd3cebc9527d9d4db323829e4d304585eb21c917b77e2dc17ec
SHA3-384 hash: 6cf17dbcc0b81e07e9b0c5b8353933872b41b9b0f8da93bc96f51891b8450e618b3ea1858d0de3c3b7933758f7b44f68
SHA1 hash: 75c179bf8220f662251fb69e876b7365bba033f1
MD5 hash: 323ae3815ae8801b9d69755bef3fc612
humanhash: kitten-ceiling-music-fillet
File name:Remittance_Application_Copy_8647658839_pdf.exe
Download: download sample
Signature AsyncRAT
File size:316'235 bytes
First seen:2021-10-12 11:55:11 UTC
Last seen:2021-10-12 13:03:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL/cigw6KPMPeo9GPOJ5lRYpdXn/Zy/O/1FZPJ3K5zJIKDmaGb6dwSnBDP:CeVwHUPe6vJ5r6BhN/1FA9TCmX
Threatray 1'499 similar samples on MalwareBazaar
TLSH T10164231671E098FFE96737B19D3AE663E3BFB52011AF2C5FA3603F25157D6016408291
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance_Application_Copy_8647658839_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-10-12 21:03:03 UTC
Tags:
trojan rat asyncrat

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

Behaviour
Creating a file in the %temp% directory
Creating a file
Deleting a recently created file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 501041 Sample: Remittance_Application_Copy... Startdate: 12/10/2021 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 8 other signatures 2->66 9 Remittance_Application_Copy_8647658839_pdf.exe 17 2->9         started        13 html.exe 16 2->13         started        process3 file4 44 C:\Users\user\AppData\Local\...\luvfy.dll, PE32 9->44 dropped 70 Detected unpacking (changes PE section rights) 9->70 72 Detected unpacking (creates a PE file in dynamic memory) 9->72 74 Detected unpacking (overwrites its own PE header) 9->74 15 Remittance_Application_Copy_8647658839_pdf.exe 7 9->15         started        46 C:\Users\user\AppData\Local\...\luvfy.dll, PE32 13->46 dropped 76 Multi AV Scanner detection for dropped file 13->76 78 Machine Learning detection for dropped file 13->78 80 Injects a PE file into a foreign processes 13->80 18 html.exe 2 13->18         started        signatures5 process6 dnsIp7 50 C:\Users\user\AppData\Roaming\html.exe, PE32 15->50 dropped 52 Remittance_Applica...7658839_pdf.exe.log, ASCII 15->52 dropped 21 cmd.exe 1 15->21         started        23 cmd.exe 1 15->23         started        54 rocking.ddns.net 195.133.40.157, 49755, 49821, 49860 SPD-NETTR Russian Federation 18->54 56 127.0.0.1 unknown unknown 18->56 file8 process9 signatures10 26 html.exe 16 21->26         started        31 conhost.exe 21->31         started        33 timeout.exe 1 21->33         started        68 Uses schtasks.exe or at.exe to add and modify task schedules 23->68 35 conhost.exe 23->35         started        37 schtasks.exe 1 23->37         started        process11 dnsIp12 58 192.168.2.1 unknown unknown 26->58 48 C:\Users\user\AppData\Local\...\luvfy.dll, PE32 26->48 dropped 82 Injects a PE file into a foreign processes 26->82 39 html.exe 3 26->39         started        file13 signatures14 process15 file16 42 C:\Users\user\AppData\Local\...\html.exe.log, ASCII 39->42 dropped
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2021-10-12 11:56:09 UTC
AV detection:
10 of 35 (28.57%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default rat spyware stealer
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:9909
rocking.ddns.net:6606
rocking.ddns.net:7707
rocking.ddns.net:8808
rocking.ddns.net:9909
Unpacked files
SH256 hash:
7ba9f473a65c0fd3cebc9527d9d4db323829e4d304585eb21c917b77e2dc17ec
MD5 hash:
323ae3815ae8801b9d69755bef3fc612
SHA1 hash:
75c179bf8220f662251fb69e876b7365bba033f1
Malware family:
AsyncRAT
Verdict:
Malicious
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
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.

Comments