MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bc81c1f42f33236e77ec08654b84fe226e6565015b0fe961a739a19e219703e5. 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
| SHA256 hash: | bc81c1f42f33236e77ec08654b84fe226e6565015b0fe961a739a19e219703e5 |
|---|---|
| SHA3-384 hash: | 02e2db9ccb82eeb7a0c73cab4555e7bf56d6c565143362167641a199c8712ac476d6eac3fbb275ee0e48e129db181551 |
| SHA1 hash: | 0799aa66a3b27ef678b7438d8872f4702e9d2a18 |
| MD5 hash: | 9e08ad4c7063a1655e5d72bbf26d3880 |
| humanhash: | happy-uncle-princess-washington |
| File name: | 9e08ad4c7063a1655e5d72bbf26d3880 |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 46'080 bytes |
| First seen: | 2022-01-19 15:24:05 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 768:wuPfZTg4pYiWUU8jjmo2qrpQiB0BT4TCvx8PIA3jbMgX3imX8oqExAvXXRmBDZmx:wuPfZTgK12+QbdBATbDXSxoAvn+dmx |
| Threatray | 1'848 similar samples on MalwareBazaar |
| TLSH | T117232B0037E8812BF5BE4F7868F26145867AE6732603D94D1CC451DB5B23FC69A43AEE |
| Reporter |  zbetcheckin |
| Tags: | 32 AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3_PDFN.exe_downloaded
Verdict:
Malicious activity
Analysis date:
2022-01-19 14:37:29 UTC
Tags:
trojan rat asyncrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat cmd.exe njrat obfuscated packed rat replace.exe schtasks.exe
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.
Malware family:
AsyncRAT
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2022-01-11 20:55:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 43 (74.42%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 1'838 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default rat suricata
Behaviour
Suspicious use of AdjustPrivilegeToken
Async RAT payload
AsyncRat
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
ssonn.v6.rocks:7707
sson.dnsup.net:7707
sson.dnsup.net:7707
Unpacked files
SH256 hash:
bc81c1f42f33236e77ec08654b84fe226e6565015b0fe961a739a19e219703e5
MD5 hash:
9e08ad4c7063a1655e5d72bbf26d3880
SHA1 hash:
0799aa66a3b27ef678b7438d8872f4702e9d2a18
Detections:
win_asyncrat_w0
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | asyncrat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | AsyncRat |
|---|---|
| Author: | kevoreilly, JPCERT/CC Incident Response Group |
| Description: | AsyncRat Payload |
| 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.
Web download
Delivery method
Distributed via web download
Comments
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