MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9bd40875855805f12dbb568e48036b669bf1768227f80d2666e5bc3d71f51474. 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: 9


Intelligence 9 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9bd40875855805f12dbb568e48036b669bf1768227f80d2666e5bc3d71f51474
SHA3-384 hash: 2f35bc3b93ac1839bac3726d0e37a9cfcdcca7ba7beeff8c28d47c595c70e4ff3654bfc6b43b65f2115226e3faf4ff42
SHA1 hash: c0241df055e89fb1ac9b13951bd97ac63b5d92c9
MD5 hash: 187fd3e6e9fe221f718a07b79c674219
humanhash: bulldog-arizona-jig-undress
File name:Invoice & BACS Document.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:28'304 bytes
First seen:2021-04-16 17:10:26 UTC
Last seen:2021-04-16 17:59:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:FThIrDVcpGSQlX6y1rd4I0XLJvynmaPfq1W6eeiMKyTimifeACMZbZnhv+fhMN:FEVcpGSADiomUq1W6eeiATSeAhhuhMN
Threatray 184 similar samples on MalwareBazaar
TLSH 27D22B11E3944646F83ABA3621B02F284777F2D63E1BE71B3F5C82985903BC2995D63C
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.191.231.252:2525

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.191.231.252:2525 https://threatfox.abuse.ch/ioc/8635/

Intelligence

File Origin
# of uploads :
2
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice & BACS Document.exe
Verdict:
Malicious activity
Analysis date:
2021-04-16 17:21:49 UTC
Tags:
trojan dtloader loader rat asyncrat
Link:
https://app.any.run/tasks/a6402d31-eb2a-4cf5-bf82-a46489ce47e6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Spynet
Create hunting rule
Link:
https://www.capesandbox.com/analysis/136318/
Detection(s):
SecuriteInfo.com.Artemis187FD3E6E9FE.15533.14483.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Creating a file
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a service
Deleting a recently created file
Launching a process
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Setting a single autorun event
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/681360
Signature
Adds a directory exclusion to Windows Defender
Drops PE files to the startup folder
Drops PE files with benign system names
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Sigma detected: Powershell adding suspicious path to exclusion list
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 389632 Sample: Invoice & BACS Document.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 50 185.191.231.252, 2525, 49731 UNREAL-SERVERSUS Netherlands 2->50 52 127.0.0.1 unknown unknown 2->52 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Found malware configuration 2->60 62 Sigma detected: Powershell adding suspicious path to exclusion list 2->62 64 8 other signatures 2->64 8 Invoice & BACS Document.exe 24 13 2->8         started        13 svchost.exe 1 2->13         started        15 svchost.exe 2->15         started        17 vDAJyzCKQwOEczalQAfzUy.exe 2->17         started        signatures3 process4 dnsIp5 56 mmwrlridbhmibnr.ml 104.21.86.143, 49711, 80 CLOUDFLARENETUS United States 8->56 42 C:\Users\user\...\vDAJyzCKQwOEczalQAfzUy.exe, PE32 8->42 dropped 44 C:\Program Files\Common Files\...\svchost.exe, PE32 8->44 dropped 46 C:\Users\...\Invoice & BACS Document.exe.log, ASCII 8->46 dropped 48 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 8->48 dropped 66 Adds a directory exclusion to Windows Defender 8->66 19 AdvancedRun.exe 1 8->19         started        22 powershell.exe 8 8->22         started        24 powershell.exe 8 8->24         started        26 7 other processes 8->26 file6 signatures7 process8 dnsIp9 54 192.168.2.1 unknown unknown 19->54 28 AdvancedRun.exe 19->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        38 conhost.exe 26->38         started        40 3 other processes 26->40 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9bd40875855805f12dbb568e48036b669bf1768227f80d2666e5bc3d71f51474/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-04-16 17:11:12 UTC
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tpkaq5mflac7cln3k2heqa3lm2n7c5uce74a2jtg4w6d24pvcr2a._file
Verdict:
malicious
Similar samples:
09c16b23deb98012b45db8c85226a19097485ae7e2871cdcd8986c7668a0cf92
AsyncRAT
0db50b639d859d3ddf9aa74f96d12f7ecb189a0b3006a7ed1cfd73edbc34d220
AsyncRAT
2e10edfbe7c4a7c9220db55d3c6f921262366908277a5483ff0faf5579e194f4
AsyncRAT
367bc7ffc25f04348112998f82ba571262bc0ad22bf820f472c8af1d5093fae5
AsyncRAT
78baec19444d923fde30977dacb85fada9247b9e3ae150f32a1137e7fc0b8dfb
AsyncRAT
7f9d55b4ba57eb2fc4ec2e87eb74b9128c521e7da2fa67c74774aa0785eed284
AsyncRAT
9c6abdf1e5ff719e261ea153555b981cd907ba5f79f50943d679d59967eba445
AsyncRAT
c3528956666ac901c406c13e9b265cb805424e91919db91a1fe2227ffbc15c7a
AsyncRAT
ca146513d9ec6ec60b81b20fd9aa2f262c54d447e8361417c3c4b7678e51e6a5
AsyncRAT
e9573722d616d444c71e82f1ac6973921f3c942af4403760e0292b3ebf9159b0
AsyncRAT
+ 174 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat evasion persistence rat trojan
Link:
https://tria.ge/reports/210416-v1eb5ertqs/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Windows security modification
Executes dropped EXE
Async RAT payload
Nirsoft
AsyncRat
Modifies Windows Defender Real-time Protection settings
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
9bd40875855805f12dbb568e48036b669bf1768227f80d2666e5bc3d71f51474
MD5 hash:
187fd3e6e9fe221f718a07b79c674219
SHA1 hash:
c0241df055e89fb1ac9b13951bd97ac63b5d92c9
Link:
https://www.unpac.me/results/4e6d3f53-ac99-4a2e-94c9-c70cdc6d722c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/9bd40875855805f12dbb568e48036b669bf1768227f80d2666e5bc3d71f51474

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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.

Cape
Cape
https://www.capesandbox.com/analysis/136318/

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