MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bd4af83b1454acb3d9d3d14367f26bc0491e4687f8590b982dd9eafc9ab783e7. 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: 11
Maldoc score: 11
| SHA256 hash: | bd4af83b1454acb3d9d3d14367f26bc0491e4687f8590b982dd9eafc9ab783e7 |
|---|---|
| SHA3-384 hash: | 12effac011cbe45633d9a87770350c7aea4374d00e5b54ef3651b5b34f37668c6779806a4cba064290732aef44d3bc29 |
| SHA1 hash: | 92e5fd31696058f1f5f00136f3e7a0981f5f9466 |
| MD5 hash: | 3e1225c2e75443f3a636d149e3074f1b |
| humanhash: | johnny-oranges-one-papa |
| File name: | ORDER 211011A.xlsm |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 397'767 bytes |
| First seen: | 2021-10-10 22:25:11 UTC |
| Last seen: | 2021-10-10 22:41:55 UTC |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 12288:JrohforrIKx6CRiiiijFWaAl7AhskNNfxNY3+Qt+FXK9:Jro6rrI+6CFFjAl7Es4fNY+F69 |
| TLSH | T15F8412A8CFF90A52C207E535521DACB98506A84193C9EF2A3D54560FA9868D013BFFDF |
| Reporter |  AndreGironda |
| Tags: | AsyncRAT EpicManchego Grind3lwald xlsm |
AndreGironda
MITRE T1566.001Date: 10 Oct 2021 19:30-20:00 +0000
Received: from ec2-3-135-218-250.us-east-2.compute.amazonaws.com ([3.135.218.250]:63931 helo=arsawelding.com)
Reply-To: sales@omc.net.nz
From: ARSA & Machinery Trading LLC<abhilash@arsawelding.com>
Subject: ORDER
Message-ID: <20211010195312.890AEE033DDA3EE0@arsawelding.com>
MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="----=_NextPart_000_0012_CA40A99F.B20AC020"
Attachment Name: ORDER 211011A.xlsm
Attachment SHA256: bd4af83b1454acb3d9d3d14367f26bc0491e4687f8590b982dd9eafc9ab783e7
$png_img_value_0 = {89504e470d0a1a0a0000000d49484452000000480000002f0806000000401c8ca5000000017352474200aece1ce90000000467414d410000b18f0bfc6105000000097048597300000aeb00000aeb01828b0d5a00000a}
$png_img_value_1 = {89504e470d0a1a0a0000000d494844520000002e0000003508060000003ea8d96f000000017352474200aece1ce90000000467414d410000b18f0bfc6105000000097048597300000ec300000ec301c76fa864000002}
$png_img_value_2 = {89504e470d0a1a0a0000000d49484452000000d100000057080200000015b1377d000000017352474200aece1ce9000007cd49444154785eed9dbf4b234f18c657cfc2426ccf2242b814365676f107045258dd357708}
$png_img_value_3 = {89504e470d0a1a0a0000000d49484452000000190000001d0802000000d01a5022000000017352474200aece1ce90000010249444154484b63fcffff3f039500a3f1cc342a19c5c0442d8380e60c56b350c2ab58d897}
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: 11 |
OLE dump
MalwareBazaar was able to identify 19 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 1102 bytes | PROJECT |
| A2 | 335 bytes | PROJECTwm |
| A3 | 173 bytes | VBA/Learn more |
| A4 | 172 bytes | VBA/Sheet10 |
| A5 | 178 bytes | VBA/Sheet11 |
| A6 | 169 bytes | VBA/Sheet2 |
| A7 | 170 bytes | VBA/Sheet3 |
| A8 | 171 bytes | VBA/Sheet4 |
| A9 | 173 bytes | VBA/Sheet5 |
| A10 | 180 bytes | VBA/Sheet6 |
| A11 | 171 bytes | VBA/Sheet7 |
| A12 | 177 bytes | VBA/Sheet8 |
| A13 | 173 bytes | VBA/Sheet9 |
| A14 | 168 bytes | VBA/Start |
| A15 | 1082 bytes | VBA/ThisWorkbook |
| A16 | 171 bytes | VBA/Workbook |
| A17 | 7 bytes | VBA/_VBA_PROJECT |
| A18 | 452 bytes | VBA/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:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Workbook_Activate | Runs when the Excel Workbook is opened |
| IOC | ershell.exe | Executable file name |
| IOC | Bzyawpdxtqxxqymppeqr | Executable file name |
| Suspicious | Open | May open a file |
| Suspicious | Output | May write to a file (if combined with Open) |
| Suspicious | Shell | May run an executable file or a system command |
| Suspicious | Hex Strings | Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
Intelligence
File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDER 211011A.xlsm
Verdict:
No threats detected
Analysis date:
2021-10-10 22:29:28 UTC
Tags:
macros macros-on-open
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
asyncrat
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
cmd macros macros-on-open packed powershell
Result
Verdict:
MALICIOUS
Link:
Result
Threat name:
Unknown
Detection:
malicious
Classification:
bank.expl.evad
Score:
92 / 100
Signature
Document contains an embedded VBA macro which may execute processes
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Encrypted powershell cmdline option found
Malicious encrypted Powershell command line found
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Suspicious Encoded PowerShell Command Line
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Downloader.Heuristic
Status:
Malicious
First seen:
2021-10-10 22:26:12 UTC
AV detection:
3 of 45 (6.67%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:sept macro persistence rat suricata
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
NTFS ADS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
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
Deletes itself
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Async RAT payload
Nirsoft
AsyncRat
Modifies WinLogon for persistence
Process spawned unexpected child process
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49746
chonglee575.duckdns.org:2703
chonglee575.duckdns.org:49746
chongmei33.publicvm.com:49746
chonglee575.duckdns.org:2703
chonglee575.duckdns.org:49746
Dropper Extraction:
http://transfer.sh/get/HyKymv/wordart.exe
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
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