MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 79079eeea81f1225adddc2f707d5a9702877cb7d8fa6843c807b083d56edd813. 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: 7
| SHA256 hash: | 79079eeea81f1225adddc2f707d5a9702877cb7d8fa6843c807b083d56edd813 |
|---|---|
| SHA3-384 hash: | 24671e7a627db0312468a42396c3816409de7fdd308943f2292de081255fec17a9d58fd02385c4a060ccd9dc625f9d67 |
| SHA1 hash: | cb4fec56b4d0eb07bbde38066ae47d886652c829 |
| MD5 hash: | 896b9a07a009b2f903d267baf0a6f88f |
| humanhash: | missouri-foxtrot-leopard-sad |
| File name: | CN-Invoice-XXXXX9808-190111432879905.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 177'152 bytes |
| First seen: | 2021-05-20 06:19:33 UTC |
| Last seen: | 2021-05-20 07:15:34 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 3072:PDhwI4PzeKpFKT3TrEETjbUegk0l5Egz5OdRSx:lwTSaKTDrnbUev0YgNaS |
| Threatray | 48 similar samples on MalwareBazaar |
| TLSH | 8204F139A6BCC5F7C728A5B6E0C7E3100336EE92A751C61F2B54368E28377C64C695D2 |
| Reporter |  GovCERT_CH |
| Tags: | AsyncRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CN-Invoice-XXXXX9808-190111432879905.exe
Verdict:
No threats detected
Analysis date:
2021-05-20 06:27:06 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: WScript or CScript Dropper
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
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Detection:
asyncrat
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2021-05-20 05:17:56 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
3/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 38 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| 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: | Reverse_text_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Reverse text detected |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
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0) [B0023] Execution::Install Additional Program