MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 7bdc1c4d7eb4471e5dcf71713b266066df99928f7be8732bfb36fe153f0f5e80. 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
RemcosRAT
Vendor detections: 11
Maldoc score: 13
| SHA256 hash: | 7bdc1c4d7eb4471e5dcf71713b266066df99928f7be8732bfb36fe153f0f5e80 |
|---|---|
| SHA3-384 hash: | 574ee6b817c81a94242bd2a4e87bb4ef5ddfb59e897d0e3b54a4477f84acaa82f037d4b7a102660b4f1f9283175bfd99 |
| SHA1 hash: | a3b9d39fafbb8eba99ef7d313b2963078a95a80c |
| MD5 hash: | 7a149796e5ba1764a214148af241d33c |
| humanhash: | ink-michigan-mockingbird-six |
| File name: | Deposit Confirmation.xls |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 75'776 bytes |
| First seen: | 2021-10-14 15:13:54 UTC |
| Last seen: | Never |
| File type: |  xls |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 1536:FJk3hOdsylKlgxopeiBNhZFGzE+cL2kdAO1zI0ScDNzmVQyrnHRBoESK4nceC7rZ:FJk3hOdsylKlgxopeiBNhZFGzE+cL2k4 |
| TLSH | T139737CA6F6C1DC06CE69077A48F782E66626FC555F63828F324CF75E0F71AC0891261B |
| Reporter |  abuse_ch |
| Tags: | RemcosRAT xls |
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: 13 |
OLE dump
MalwareBazaar was able to identify 10 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 108 bytes | CompObj |
| 2 | 244 bytes | DocumentSummaryInformation |
| 3 | 220 bytes | SummaryInformation |
| 4 | 63724 bytes | Workbook |
| 5 | 422 bytes | _VBA_PROJECT_CUR/PROJECT |
| 6 | 62 bytes | _VBA_PROJECT_CUR/PROJECTwm |
| 7 | 991 bytes | _VBA_PROJECT_CUR/VBA/Sheet1 |
| 8 | 2148 bytes | _VBA_PROJECT_CUR/VBA/ThisWorkbook |
| 9 | 2531 bytes | _VBA_PROJECT_CUR/VBA/_VBA_PROJECT |
| 10 | 520 bytes | _VBA_PROJECT_CUR/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_Open | Runs when the Excel Workbook is opened |
| Suspicious | Open | May open a file |
| Suspicious | Output | May write to a file (if combined with Open) |
| Suspicious | CreateObject | May create an OLE object |
| Suspicious | Chr | May attempt to obfuscate specific strings (use option --deobf to deobfuscate) |
| 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 :
1
# of downloads :
277
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Deposit Confirmation.xls
Verdict:
Malicious activity
Analysis date:
2021-10-14 15:55:42 UTC
Tags:
macros macros-on-open
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Document image
Image:
Verdict:
Suspicious
Threat level:
5/10
Confidence:
75%
Tags:
macros macros-on-open
Result
Verdict:
MALICIOUS
Link:
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Macro Execution Coercion
Detected a document that appears to social engineer the user into activating embedded logic.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad.troj
Score:
76 / 100
Signature
Document exploit detected (creates forbidden files)
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for domain / URL
Sigma detected: Execution from Suspicious Folder
Sigma detected: Microsoft Office Product Spawning Windows Shell
Uses dynamic DNS services
Yara detected Obfuscated Powershell
Behaviour
Behavior Graph:
Threat name:
Document-Excel.Trojan.Valyria
Status:
Malicious
First seen:
2021-10-14 15:14:07 UTC
AV detection:
13 of 40 (32.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost macro macro_on_action persistence rat xlm
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Adds Run key to start application
Downloads MZ/PE file
Executes dropped EXE
Process spawned unexpected child process
Remcos
Malware Config
C2 Extraction:
lplazadtemins.duckdns.org:443
Dropper Extraction:
http://greenpayindia.com/wp-conternt/ConsoleApp18.exe
Malware family:
Remcos
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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