MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d. 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


Maldoc score: 17


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d
SHA3-384 hash: 5e30b9df31c89063de6ad3cc3a17be3df4666679672803a17aec050da673adfd17e09758c4649319a7622974f5512d9b
SHA1 hash: 846a9d44011340ebc31439f316efc2d1e5b279a6
MD5 hash: 91b915d7c1079e51e241748a006da03c
humanhash: river-moon-low-batman
File name:ORDER-230316.xlsm
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:42'607 bytes
First seen:2023-03-16 02:55:27 UTC
Last seen:Never
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 768:iATtXvQ04qta8v+nWE8hMBIJYfTH+niSplFFiKk/fsgvRag+neWM:VxvSqJv+xG1BjFFi3/Egvg/e9
TLSH T10F13E12CCBCA1D64CA8702B4021EBD70844264517290AF076AE9D1AD1A46DDE533BFFF
TrID 42.2% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13)
29.1% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12)
17.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
8.8% (.ZIP) Open Packaging Conventions container (17500/1/4)
2.0% (.ZIP) ZIP compressed archive (4000/1)
Reporter abuse_ch
Tags:AsyncRAT RAT xlsm


Avatar
abuse_ch
AsyncRAT C2:
103.47.144.71:2703

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 17
OLE dump

MalwareBazaar was able to identify 8 sections in this file using oledump:

Section IDSection sizeSection name
A1535 bytesPROJECT
A292 bytesPROJECTwm
A3173 bytesVBA/Learn more
A4168 bytesVBA/Start
A5638 bytesVBA/ThisWorkbook
A67 bytesVBA/_VBA_PROJECT
A7251 bytesVBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
IOCwp.exeExecutable file name
SuspiciousShellMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciouspowershellMay run PowerShell commands
SuspiciousexecutionpolicyMay run PowerShell commands
SuspiciousStart-ProcessMay run an executable file or a system command using PowerShell
SuspiciousCreateObjectMay create an OLE object
SuspiciousExecMay run an executable file or a system
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
437
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
ORDER-230316.xlsm
Verdict:
Malicious activity
Analysis date:
2023-03-16 02:56:56 UTC
Tags:
macros macros-on-open trojan rat asyncrat
Link:
https://app.any.run/tasks/d16d4055-cdab-4f58-85ec-8f73a4436813

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/374670/
Detection(s):
SecuriteInfo.com.Office.Macro-13.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.shexhid.UNOFFICIAL
Create hunting rule

Xls.Dropper.EPPlus-9802867-2
Create hunting rule

TwinWave.EvilDoc.OkayLureDefenderXL.20220418.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Link:
https://app.docguard.net/7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
83%
Tags:
macros macros-on-open
Link:
https://www.filescan.io/uploads/64128543d86839d607a8d7d9/reports/0ad0ace3-4f6c-452b-b93f-1d0f87a1a195/overview
Verdict:
Malicious
Labled as:
Msoffice/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d
Label:
Malicious
Suspicious Score:
9.7/10
Score Malicious:
98%
Score Benign:
2%
Link:
https://www.malware.ai/gui/files/?id=6467256d-ef07-459f-8270-ef3338502363
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Powershell in Macro
Detected a macro that may utilize Powershell. Such pivots are commonly found in malware.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Malicious Scriptlet 7 of 7
Detected a malicious pivot typically seen during the 'file-less' pivot commonly seen in malware carriers.
External Relationship Element
Document contains an externally hosted relationship, which fetches further content.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
expl.evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1194659
Signature
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Document contains an embedded VBA macro with suspicious strings
Document exploit detected (process start blacklist hit)
Drops PE files with benign system names
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Powershell drops PE file
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 827560 Sample: ORDER-230316.xlsm Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 12 other signatures 2->87 9 EXCEL.EXE 28 31 2->9         started        13 svchost.exe 3 2->13         started        15 chrome.exe 2->15         started        18 3 other processes 2->18 process3 dnsIp4 61 C:\Users\user\Desktop\~$ORDER-230316.xlsm, data 9->61 dropped 99 Suspicious powershell command line found 9->99 20 powershell.exe 15 20 9->20         started        101 Machine Learning detection for dropped file 13->101 103 Injects a PE file into a foreign processes 13->103 25 svchost.exe 13->25         started        75 192.168.2.4, 443, 49691, 49693 unknown unknown 15->75 77 192.168.2.1 unknown unknown 15->77 79 239.255.255.250 unknown Reserved 15->79 27 chrome.exe 15->27         started        29 chrome.exe 15->29         started        31 chrome.exe 15->31         started        33 svchost.exe 18->33         started        file5 signatures6 process7 dnsIp8 63 2m-store.com 65.21.81.194, 443, 49697 CP-ASDE United States 20->63 59 C:\Users\user\AppData\Local\...\tmp7E12.exe, PE32 20->59 dropped 95 Powershell drops PE file 20->95 35 tmp7E12.exe 1 5 20->35         started        39 conhost.exe 20->39         started        65 chonglee575.duckdns.org 27->65 67 i2-axyetbhaixvjyxzejvgkcaymbpeyzp.init.cedexis-radar.net 104.225.98.129 NETACTUATEUS United States 27->67 69 29 other IPs or domains 27->69 file9 signatures10 process11 file12 57 C:\Users\user\AppData\Roaming\svchost.exe, PE32 35->57 dropped 89 Machine Learning detection for dropped file 35->89 91 Drops PE files with benign system names 35->91 93 Injects a PE file into a foreign processes 35->93 41 cmd.exe 1 35->41         started        44 tmp7E12.exe 2 35->44         started        47 cmd.exe 1 35->47         started        signatures13 process14 dnsIp15 97 Uses ipconfig to lookup or modify the Windows network settings 41->97 49 conhost.exe 41->49         started        51 ipconfig.exe 1 41->51         started        71 chonglee575.duckdns.org 141.101.134.51, 6974 NETZBETRIEB-GMBHDE Netherlands 44->71 73 chongmei33.publicvm.com 103.47.144.71 M247GB Pakistan 44->73 53 conhost.exe 47->53         started        55 ipconfig.exe 1 47->55         started        signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d/
Threat name:
Script-Macro.Downloader.Donoff
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 02:14:48 UTC
File Type:
Document
Extracted files:
47
AV detection:
15 of 39 (38.46%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ouen2vjshbibmhidoytfsl6fn23l4tgjc7dixkiphrmgn5ocwwoq._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:latest macro persistence rat
Link:
https://tria.ge/reports/230316-de1vksgf43/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Downloads MZ/PE file
Async RAT payload
AsyncRat
Process spawned unexpected child process
Malware Config
C2 Extraction:
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49746
chongmei33.publicvm.com:6974
chonglee575.duckdns.org:2703
chonglee575.duckdns.org:49746
chonglee575.duckdns.org:6974
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7508dd553238/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7508dd55323850161d037626592fc56eb6be4cc917c68ba90f3c5866f5c2b59d

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:SUSP_OneNote
Create hunting rule
Author:spatronn
Description:Hard-Detect One
Rule name:vbaproject_bin
Create hunting rule
Author:CD_R0M_
Description:{76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time

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/374670/

Comments