MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada
SHA3-384 hash: d1668b53369da38ff685683a4e654b21fb87a7f10d1f81ebda6f24f0460def732f05445041cb82f11e7f3a8953fb8603
SHA1 hash: 5b51637db6f1c9c0ec8f70c469e110405a254dfb
MD5 hash: 7a20e63a7bd7952175bce6ea7081dedd
humanhash: grey-uniform-eleven-avocado
File name:Document-Information.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:918'858 bytes
First seen:2023-05-17 13:40:17 UTC
Last seen:2023-05-17 19:37:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:wNA3R5drXVWD4TZfBzNPjUlHd67/3nABbiZ1H5OE:p5VkgZpNPwK3SWv
Threatray 1'044 similar samples on MalwareBazaar
TLSH T1FD151242FBD244F2D67329320929B721A97D79301E24DA6FE3C40DACCA75491B635FA3
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon cf8c39e1cff3fcd2 (1 x AsyncRAT)
Reporter TeamDreier
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Document-Information.exe
Verdict:
Malicious activity
Analysis date:
2023-05-17 13:42:33 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/e09c1534-7990-4c00-807f-5aab46b102ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/390732/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Creating a file
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
91%
Tags:
greyware overlay packed quasar setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6464d971ca9bd33579002931/reports/ec0794fe-9500-4479-933b-beed0c148fd6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/61edb975-1ecc-43c8-a1ce-6e2639221b2b
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1235306
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 868297 Sample: Document-Information.exe Startdate: 17/05/2023 Architecture: WINDOWS Score: 100 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus detection for URL or domain 2->88 90 7 other signatures 2->90 14 Document-Information.exe 3 10 2->14         started        17 dmwi.exe 2->17         started        process3 file4 68 C:\Users\user\AppData\...\jbjfer.sfx.exe, PE32 14->68 dropped 20 cmd.exe 1 14->20         started        23 AcroRd32.exe 39 14->23         started        78 Multi AV Scanner detection for dropped file 17->78 80 Machine Learning detection for dropped file 17->80 82 Injects a PE file into a foreign processes 17->82 25 dmwi.exe 17->25         started        signatures5 process6 signatures7 92 Uses schtasks.exe or at.exe to add and modify task schedules 20->92 27 jbjfer.sfx.exe 8 20->27         started        31 conhost.exe 20->31         started        33 RdrCEF.exe 48 23->33         started        process8 dnsIp9 66 C:\Users\user\AppData\Local\Temp\jbjfer.exe, PE32 27->66 dropped 98 Multi AV Scanner detection for dropped file 27->98 36 jbjfer.exe 9 27->36         started        70 192.168.2.1 unknown unknown 33->70 file10 signatures11 process12 file13 62 C:\Users\user\AppData\...\uysuhb.sfx.exe, PE32 36->62 dropped 94 Multi AV Scanner detection for dropped file 36->94 40 cmd.exe 1 36->40         started        signatures14 process15 process16 42 uysuhb.sfx.exe 8 40->42         started        46 conhost.exe 40->46         started        file17 64 C:\Users\user\AppData\Local\Temp\uysuhb.exe, PE32 42->64 dropped 96 Multi AV Scanner detection for dropped file 42->96 48 uysuhb.exe 42->48         started        signatures18 process19 signatures20 72 Multi AV Scanner detection for dropped file 48->72 74 Machine Learning detection for dropped file 48->74 76 Injects a PE file into a foreign processes 48->76 51 uysuhb.exe 48->51         started        process21 file22 60 C:\Users\user\AppData\Roaming\dmwi.exe, PE32 51->60 dropped 54 cmd.exe 51->54         started        56 cmd.exe 51->56         started        process23 process24 58 conhost.exe 56->58         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-05-17 09:27:49 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xw5yk3cpvrudg7x3irp7kp7nl2o5etkqeehlz7ac5a7uhpnellna._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
029166bde069ee02c46c3541bfe4f9ff8c97d9ff353f814c716e2d1fbdb29c1f
AsyncRAT
16470e7be2dd5cd6a75b85667f3f93184ffa8299bb547f412ca63324684e0c23
AsyncRAT
1de2e96d4ccbc3954e5a7932b823f268e565639a0aac20e41fae23248d32d1a2
AsyncRAT
50780178c6e35fc1107aa6aacb09c6d1a46d2200f909a95836c88cb7c3651c0e
AsyncRAT
94530ce58a289fbba223ab50512183f2dc1003ab227b144d6ec21c15cc427cce
AsyncRAT
a68850f869d5a33aeedeb894e6ab9c743d35be9da971dea04361664fc00cca18
AsyncRAT
b8f91cb2906c890e58423e51c9b5a63fe8948668d7a09e8920aec5ef62834ba0
AsyncRAT
d6730b5c86821069b831e8414566f9837f6b6686230f82bada788a2786309eb9
AsyncRAT
+ 1'034 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:vtokn rat
Link:
https://tria.ge/reports/230517-qy359sfc38/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
grotomnipobell.zapto.org:1515
grotomnipobell.zapto.org:2323
roollingstonecam.sytes.net:1515
roollingstonecam.sytes.net:2323
roollingstonecam.zapto.org:1515
roollingstonecam.zapto.org:2323
Unpacked files
SH256 hash:
f1a515e4ac8818ff17c8c323193f44c5f761f294fd5fafa6e61d0d6b4fc200a6
MD5 hash:
9aa61e3d72350750b682a7cd5d55b682
SHA1 hash:
2c7f5e857df529b69ca7a89227f062bbb4cd2638
Link:
https://www.unpac.me/results/b5ddea09-68ee-4009-9a5c-a661ec6f68b0/
SH256 hash:
8024f0ef7ebffd30b05be77ef1a6e1b01305aa29a7f99dba4b9a646a1d24ba60
MD5 hash:
4f4c344d3c8db6a7c45eb121526233d1
SHA1 hash:
deb877f7b97f98be882d484f028aa938bb98ae0e
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/b5ddea09-68ee-4009-9a5c-a661ec6f68b0/
Parent samples :
78ef03fec16bd2b15219dd7bf4fe79cd9420f81dd833270907b90aca5d6183a6
4e2daa3a68587cab4b6806cdaf3b598ed826cdc4af442726ea948242d30bec39
bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada
3ac3a11c0ec419ccdd2a447f7eaf403bb42fd813f9cf1ba837fbc2921a9af963
82c85f030f61b2ec5d5b7197020dc37c18ed6b0c0e1b88037d6433d8a168f7c9
SH256 hash:
794ddf6e771211f6c8b1b32233d3325fb91c86b4ebd23e8e89bd42c7a3f1dbf8
MD5 hash:
b67c38dd1616b36ae5bfe6def5cf7c83
SHA1 hash:
5990cd7d80f9c5fb9d3b337271c5bddba7d2ca42
Link:
https://www.unpac.me/results/b5ddea09-68ee-4009-9a5c-a661ec6f68b0/
SH256 hash:
bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada
MD5 hash:
7a20e63a7bd7952175bce6ea7081dedd
SHA1 hash:
5b51637db6f1c9c0ec8f70c469e110405a254dfb
Link:
https://www.unpac.me/results/b5ddea09-68ee-4009-9a5c-a661ec6f68b0/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bdbb856c4fac/report/overview.html
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
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
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.

Malspam

AsyncRAT

Executable exe bdbb856c4fac68337efb445ff53fed5e9dd24d50210ebcfc02e83f43bda45ada

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/390732/

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