MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b8cbb6eb983f4da1bd769e24a8c0e0e0f703649cbfe71314a9b672317f548a31. 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
| SHA256 hash: | b8cbb6eb983f4da1bd769e24a8c0e0e0f703649cbfe71314a9b672317f548a31 |
|---|---|
| SHA3-384 hash: | e5b66c42c51577d92068eed8397401cdc1716f6aeb4588fb05f0fcf59bef65431dc9e4a40a07da31cf36f83d8ac809bb |
| SHA1 hash: | 79cd73052d6db7fb8c17acdc956bc8ee73f4c3f3 |
| MD5 hash: | bd248d9e6852981f30269144cfefddde |
| humanhash: | ink-bluebird-georgia-social |
| File name: | #27-06-2022 PURCHASE INQUIRY.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 481'280 bytes |
| First seen: | 2022-06-27 09:28:13 UTC |
| Last seen: | 2022-06-27 11:18:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 6144:FCnw09Nk/YT5YA8QshusyDxOh3sd4FF/kz9BT5InALydUisIUgcsj3fbRdEg:FCnw0LLKyEO2a9BqnALfJ7sfRdEg |
| Threatray | 1'512 similar samples on MalwareBazaar |
| TLSH | T18BA4E094F6D7DD56C5A41633C4E58060132ABFCBA513E71F31CDB21A4A733EA8852ACE |
| 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): |  |
| dhash icon | 3b1b2713132b0b31 (1 x RemcosRAT, 1 x AsyncRAT) |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 63.141.237.188:9954 | https://threatfox.abuse.ch/ioc/729411/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
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
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware 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.
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic
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 AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 09:29:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 26 (80.77%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'502 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
vivald21.hopto.org:9954
63.141.237.188:9954
63.141.237.188:9954
Unpacked files
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
fd06f49cc023e09955e9139efdbf530f5a3f58de40634380f47f96c07843f293
MD5 hash:
f9d3d484c41503222830a9781217c9da
SHA1 hash:
694e022fe1f87ee143145614fe3c98d93aa9cb55
SH256 hash:
38263d438723d4161cd12586a6255c1613da4d5e73772a19cdfca6069368fa4a
MD5 hash:
b4028608fabd261aa92025e204a05db4
SHA1 hash:
509b86b986f30efd708d6dc5a560d14b82b20e02
SH256 hash:
3251fffb50ea5b049a4b825fb06868811e938fb93eafa4a374902fb8f913533d
MD5 hash:
2d204e885d79b290a50b96832e5a268c
SHA1 hash:
03895d6e9ad601771e3a5685d7dcbb1ebe9c297e
Detections:
win_asyncrat_w0
AsyncRAT
SH256 hash:
b8cbb6eb983f4da1bd769e24a8c0e0e0f703649cbfe71314a9b672317f548a31
MD5 hash:
bd248d9e6852981f30269144cfefddde
SHA1 hash:
79cd73052d6db7fb8c17acdc956bc8ee73f4c3f3
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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.
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