MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25. 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: 12


Intelligence 12 IOCs 1 YARA 7 File information Comments

SHA256 hash: f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25
SHA3-384 hash: c271619ac6400c1f8a4f110b4d4a2c51393724f666efe81a89640b52e89059dd1d30958fdbd553f2cdc498e79607c743
SHA1 hash: e345c0434b4a276fec0855b8536723cd01466f9c
MD5 hash: 1d142d1d500fdfbe3b7ef592a9a8895a
humanhash: indigo-angel-alabama-low
File name:InvPROV-NTI-EXX-DECK-22-008.exe
Download: download sample
Signature AsyncRAT
File size:299'008 bytes
First seen:2022-01-28 00:50:51 UTC
Last seen:2022-01-28 02:36:24 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 3072:29YgWTSLuwKs4dA0A59xxaPLhW8xjsO52cFJNvV2fHJAeQfT/OFrCLId+fFqjed:qtvJ/xaVxxLJhkfH+bSwIcqje
Threatray 4'084 similar samples on MalwareBazaar
TLSH T1E254E19576A2B162C2586F7D8D62C7304328FC004CA3996E7FC15E9B31B7211BA91BF7
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
37.0.10.214:6171

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
37.0.10.214:6171 https://threatfox.abuse.ch/ioc/353992/

Intelligence


File Origin
# of uploads :
2
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
DNS request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Sending a custom TCP request
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Injects a PE file into a foreign processes
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 561894 Sample: InvPROV-NTI-EXX-DECK-22-008.exe Startdate: 28/01/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 9 InvPROV-NTI-EXX-DECK-22-008.exe 3 2->9         started        13 MicrosoftDoc.exe 3 2->13         started        process3 file4 39 C:\...\InvPROV-NTI-EXX-DECK-22-008.exe.log, ASCII 9->39 dropped 59 Injects a PE file into a foreign processes 9->59 15 InvPROV-NTI-EXX-DECK-22-008.exe 6 9->15         started        61 Multi AV Scanner detection for dropped file 13->61 18 MicrosoftDoc.exe 2 2 13->18         started        signatures5 process6 dnsIp7 41 C:\Users\user\AppData\...\MicrosoftDoc.exe, PE32 15->41 dropped 22 cmd.exe 1 15->22         started        25 cmd.exe 1 15->25         started        43 37.0.10.214, 49749, 49790, 49791 WKD-ASIE Netherlands 18->43 45 127.0.0.1 unknown unknown 18->45 55 Tries to harvest and steal browser information (history, passwords, etc) 18->55 file8 signatures9 process10 signatures11 57 Uses schtasks.exe or at.exe to add and modify task schedules 22->57 27 conhost.exe 22->27         started        29 schtasks.exe 1 22->29         started        31 MicrosoftDoc.exe 2 25->31         started        33 conhost.exe 25->33         started        35 timeout.exe 1 25->35         started        process12 process13 37 MicrosoftDoc.exe 2 31->37         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-28 00:51:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat spyware stealer suricata
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
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
SH256 hash:
aa4898eb7fa5fa6c1fcccdcaf699c947791bb03b4d59350ed0330cefb9f631a5
MD5 hash:
e28aa07e30688fe41cfc67077fc5bd90
SHA1 hash:
f6dc062175c09bbb6f527c994b6c3f151bccc984
SH256 hash:
89e51a1c270da9a1fdc54fd1d8f1f188cc881334c8aaa6b1ab3de5dc07978e34
MD5 hash:
99a48d020115ec2ffc52b0bf2ad82dc0
SHA1 hash:
8c3279051d1189251d82042523f2bb89d0d4d62b
SH256 hash:
f85fb30beeceb9e2721aa12deee155bb604c0a364f926da18644af7e6e5c7a25
MD5 hash:
1d142d1d500fdfbe3b7ef592a9a8895a
SHA1 hash:
e345c0434b4a276fec0855b8536723cd01466f9c
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:jeFF0Falltrades
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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