MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fb9bf51c0e56eace193c9c38ef65c297f5ec1bb0a0e2a3f05e9ec35efe094bb0. 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: | fb9bf51c0e56eace193c9c38ef65c297f5ec1bb0a0e2a3f05e9ec35efe094bb0 |
|---|---|
| SHA3-384 hash: | 2c510fd509b370aa6e97fd77dfdc3003f32c8b89c8bde254cd80cdf9c2fc1eb2be9d6e060219062c97f079594fbd7452 |
| SHA1 hash: | 5734f518981fb6a9c273f0ee31070de0c592a53e |
| MD5 hash: | ee88817dd27eda5e6592f051be3a598c |
| humanhash: | william-hot-oklahoma-fruit |
| File name: | 8F6hfhex.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 48'640 bytes |
| First seen: | 2021-04-25 14:17:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 768:Ou+81TFNzX1WUVIfuPmo2qj10dcVPdKVKPIOyAmUNDkg0bFj0shBlWz6BI2S636G:Ou+81TFlq02YouoxOyA3NorbFj0+Th5B |
| Threatray | 756 similar samples on MalwareBazaar |
| TLSH | C6232B003BE8C16BF2BE4F74A9F221558577F2233602D65E2CC4529B5A13FC296526FA |
| Reporter |  pmelson |
| Tags: | AsyncRAT exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 139.99.73.120:8808 | https://threatfox.abuse.ch/ioc/9935/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8F6hfhex.exe
Verdict:
Malicious activity
Analysis date:
2021-04-25 14:21:04 UTC
Tags:
trojan rat asyncrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
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.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Machine Learning detection for sample
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)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.SemperDotNet
Status:
Malicious
First seen:
2021-04-25 14:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
37 of 47 (78.72%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 746 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious use of AdjustPrivilegeToken
AsyncRat
Malware Config
C2 Extraction:
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:34567
127.0.0.1:5555
139.99.73.120:6606
139.99.73.120:7707
139.99.73.120:8808
139.99.73.120:34567
139.99.73.120:5555
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:34567
127.0.0.1:5555
139.99.73.120:6606
139.99.73.120:7707
139.99.73.120:8808
139.99.73.120:34567
139.99.73.120:5555
Unpacked files
SH256 hash:
fb9bf51c0e56eace193c9c38ef65c297f5ec1bb0a0e2a3f05e9ec35efe094bb0
MD5 hash:
ee88817dd27eda5e6592f051be3a598c
SHA1 hash:
5734f518981fb6a9c273f0ee31070de0c592a53e
Detections:
win_asyncrat_w0
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: | Reverse_text_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Reverse text detected |
| 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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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection