MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b9802e46fc0efd83d5e603b47743543987c12d543b4a75b67d6b873e889eb34. 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: 11
| SHA256 hash: | 4b9802e46fc0efd83d5e603b47743543987c12d543b4a75b67d6b873e889eb34 |
|---|---|
| SHA3-384 hash: | 126075005588a8461a89d20529b7bf2c879621410ae1365d6124ad4a73b2958aae998eaf6a3bd443bc7158c80cc07783 |
| SHA1 hash: | 17957536a610d616dde30f9447c40927ae4da1df |
| MD5 hash: | dd3b0f098c83a98cdf3cbadf09234270 |
| humanhash: | pasta-louisiana-cola-shade |
| File name: | dd3b0f098c83a98cdf3cbadf09234270.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 1'404'928 bytes |
| First seen: | 2021-03-29 13:25:21 UTC |
| Last seen: | 2021-03-29 13:38:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:V+wVZL6jRg8f5Ev2lI9S29k6rMrN/tYlyUW9:V1oC2KtkcoaBQ |
| TLSH | 8255CF12B391DA66CC708C78A09756F0137ADC6DF91FFA236DE5F1AB193E2C89702251 |
| 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 |
|---|---|
| 193.38.55.77:38022 | https://threatfox.abuse.ch/ioc/5798/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dd3b0f098c83a98cdf3cbadf09234270.exe
Verdict:
Malicious activity
Analysis date:
2021-03-29 13:29:24 UTC
Tags:
trojan rat asyncrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Creating a window
Launching a service
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a system process
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:
Unknown
Detection:
malicious
Classification:
evad
Score:
76 / 100
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-03-25 01:53:19 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
:
Unpacked files
SH256 hash:
8d2bb7a2e7ecfc9851a3794332e86f16dacedb865426a9dfe1a2eb8d629afca9
MD5 hash:
7d111b693996ed29a75f1f8126d80e61
SHA1 hash:
43ec972004723eb31e7e3edacfda556e46dfd6e5
SH256 hash:
20277113f62763c3ca08d842ebc29787f689878dd34925e5dac1245cd8a249d4
MD5 hash:
38e53f212e5252e4b94666b095809951
SHA1 hash:
354c103cfeed40343a0f6d8acfacd75de0eecad0
Detections:
win_asyncrat_w0
SH256 hash:
f00430cb1c8740e428260f34be968ee8ce450d9625108f32939561a3c8b565ff
MD5 hash:
e160677fc95661095195535846a7a6e2
SHA1 hash:
1576979da91c2d63d297649c7c14d2f7e58364ff
SH256 hash:
4b9802e46fc0efd83d5e603b47743543987c12d543b4a75b67d6b873e889eb34
MD5 hash:
dd3b0f098c83a98cdf3cbadf09234270
SHA1 hash:
17957536a610d616dde30f9447c40927ae4da1df
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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.
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