MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c9d0328b0b0aef965bd38b57e5971cc2f2a7952e662e589ea2f8e20fbf99f4b. 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: 10


Intelligence 10 IOCs 1 YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c9d0328b0b0aef965bd38b57e5971cc2f2a7952e662e589ea2f8e20fbf99f4b
SHA3-384 hash: 278f9aca358a24bf491bc7cd130d4fca3377edaef687298c8515c8e43089e6bc8d8da7c6dd921763078a6f73c6c3e2fa
SHA1 hash: 4f7242337abc207717a563f359d184f4eb6bc39c
MD5 hash: 8ff498ff70578bbb1ead7bfdc14b1709
humanhash: mississippi-south-single-rugby
File name:8FF498FF70578BBB1EAD7BFDC14B1709.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:602'135 bytes
First seen:2021-05-23 02:20:30 UTC
Last seen:2021-05-23 03:01:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 12288:if57HKrR5C+1q0OvRhcCuoQkIDHdrUncju:ccDHVUncC
Threatray 1'424 similar samples on MalwareBazaar
TLSH DDD47D0A2F21A111D44228B51D23E367A4E23D2D3A47BF326FD37EDAE7A5BB17D05106
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
91.109.188.2:5380

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.109.188.2:5380 https://threatfox.abuse.ch/ioc/57350/

Intelligence

File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8FF498FF70578BBB1EAD7BFDC14B1709.exe
Verdict:
Malicious activity
Analysis date:
2021-05-23 02:22:56 UTC
Tags:
installer trojan rat asyncrat
Link:
https://app.any.run/tasks/e709b7aa-6de7-425f-81e2-821f2e4a0dc3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Trojan.Casino-141
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Modifying a system executable file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/789193
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Found malware configuration
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 421589 Sample: 868K2QbfYP.exe Startdate: 23/05/2021 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Multi AV Scanner detection for domain / URL 2->65 67 Found malware configuration 2->67 69 5 other signatures 2->69 8 868K2QbfYP.exe 1 23 2->8         started        12 dwm.exe 18 2->12         started        14 dwm.exe 9 2->14         started        16 4 other processes 2->16 process3 file4 49 C:\Users\user\AppData\Roaming\...\dwm.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\System.dll, PE32 8->51 dropped 73 Detected unpacking (changes PE section rights) 8->73 75 Detected unpacking (creates a PE file in dynamic memory) 8->75 77 Detected unpacking (overwrites its own PE header) 8->77 79 Drops PE files with benign system names 8->79 18 868K2QbfYP.exe 7 8->18         started        53 C:\Users\user\AppData\...\osmgvyzmwtgvap, DOS 12->53 dropped 55 C:\Users\user\AppData\Local\...\System.dll, PE32 12->55 dropped 81 Multi AV Scanner detection for dropped file 12->81 83 Maps a DLL or memory area into another process 12->83 21 dwm.exe 3 12->21         started        signatures5 process6 dnsIp7 45 C:\Users\user\AppData\Local\Temp\dwm.exe, PE32 18->45 dropped 47 C:\Users\user\AppData\...\868K2QbfYP.exe.log, ASCII 18->47 dropped 24 cmd.exe 1 18->24         started        27 cmd.exe 1 18->27         started        57 societyf500.ddns.net 91.109.188.2, 49757, 5380 IELOIELOMainNetworkFR France 21->57 59 fact.azad.live 172.67.200.214, 5380 CLOUDFLARENETUS United States 21->59 61 2 other IPs or domains 21->61 29 cmd.exe 21->29         started        file8 process9 signatures10 71 Uses schtasks.exe or at.exe to add and modify task schedules 24->71 31 conhost.exe 24->31         started        33 schtasks.exe 1 24->33         started        35 dwm.exe 9 27->35         started        37 conhost.exe 27->37         started        39 timeout.exe 1 27->39         started        41 conhost.exe 29->41         started        43 schtasks.exe 29->43         started        process11
Gathering data
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-21 11:24:36 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nsoqgkfqwcxpszn5hc2x4wlrzqxsu6ks4zrolcpkf6hcb67zt5fq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
133d378b2120357d5bab7586ff33b0bf55a4411b78b9c9ac4f340c9b8cea6fc8
AsyncRAT
2edc93f84e6911e5b86040964715868c82eb28c2b48cdbb2c72dee60cfe2f792
AsyncRAT
3464d5b88ea3f3d4c0c8735e681f8514f6a7abc9039f1f3372340f7513f3448e
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4d13e663aebabe2376c4f231356688108b5a124e0aafbc1717efa9f82e23f2b2
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74d5a7052ca7168700158a9f7c8c15f37c99355e1b84dc5a73724d605bd35604
AsyncRAT
7abcb717c38fe87ca0b5fbc03422fc1b19dc23742457ace0836016278fdba132
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86b22d8497ac1df55b76bddca6c021ec4b9995b00caea5effeeffe4e9f592e44
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9ee67445d4ffeedd7c11e1e14949bf0f6060f34352e3f2c8d2184ffe0b4d235f
AsyncRAT
aa95fe913583ea0c39f73537e541bd08b873d67ec971a1736032ff3cf14959df
AsyncRAT
eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb
AsyncRAT
+ 1'414 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/210523-9gfzl59v9s/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
fact.azad.live:5380
societyf500.ddns.net:5380
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6c9d0328b0b0aef965bd38b57e5971cc2f2a7952e662e589ea2f8e20fbf99f4b

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Create hunting rule
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-23 02:59:11 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
3) [C0045] File System Micro-objective::Copy File
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
15) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
16) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
17) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
18) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
19) [C0017] Process Micro-objective::Create Process
20) [C0038] Process Micro-objective::Create Thread
21) [C0018] Process Micro-objective::Terminate Process