MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 888614bdf13110e3934ff3a852074f6cde2998db6631d443bdee73dec5ecfe30. 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
TrickBot
Vendor detections: 8
Maldoc score: 7
| SHA256 hash: | 888614bdf13110e3934ff3a852074f6cde2998db6631d443bdee73dec5ecfe30 |
|---|---|
| SHA3-384 hash: | d191694f472918d4756233baaca7e3e9e93adf6f41206f48b7fa0146cdd7ebedb055ad5e0ac5a2ddbffe5f33da60ecff |
| SHA1 hash: | c6e6ebf08508962edcdf5c294aad95de9538e6ca |
| MD5 hash: | 40bfdb9c9c1535435fdedc666c34ba20 |
| humanhash: | mountain-washington-lactose-bluebird |
| File name: | 888614bdf13110e3934ff3a852074f6cde2998db6631d443bdee73dec5ecfe30 |
| Download: | download sample |
| Signature | TrickBot |
| File size: | 165'893 bytes |
| First seen: | 2021-05-27 23:24:55 UTC |
| Last seen: | 2021-05-27 23:38:03 UTC |
| File type: |  xlsx |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 3072:O1RnOVC1VVURgpj4WSuq+bEPbcUpo9JZPyTAaFNIjzvGHh86TtS4lcHon:O14VMLGgu3Xbuy9NCzeBS4leon |
| TLSH | AFF313453B17EA02E768EC321B794E8A1DB1ED46AB8D8955A3D7334EB07F5D221330E4 |
| Reporter | Anonymous |
| Tags: | TrickBot |
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: 7 |
| Application name is Microsoft Excel |
| Office document is in OLE format |
| Office document is in encrypted |
OLE dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 4096 bytes | DocumentSummaryInformation |
| 2 | 4096 bytes | SummaryInformation |
| 3 | 154967 bytes | Workbook |
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 | Auto_Open | Runs when the Excel Workbook is opened |
| Suspicious | RUN | 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 :
447
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
888614bdf13110e3934ff3a852074f6cde2998db6631d443bdee73dec5ecfe30
Verdict:
Malicious activity
Analysis date:
2021-05-27 23:27:18 UTC
Tags:
macros macros40
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Detection:
TrickBot
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Creating a process with a hidden window
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Suspicious
File Type:
Legacy Office File
Result
Threat name:
Hidden Macro 4.0
Detection:
malicious
Classification:
troj.expl.evad
Score:
80 / 100
Signature
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found abnormal large hidden Excel 4.0 Macro sheet
Found Excel 4.0 Macro with suspicious formulas
Office document connecting to suspicious TLD
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Performs DNS queries to domains with low reputation
Potential document exploit detected (performs DNS queries with low reputation score)
Sigma detected: Microsoft Office Product Spawning Windows Shell
Behaviour
Behavior Graph:
Threat name:
Document-Office.Trojan.Heuristic
Status:
Malicious
First seen:
2021-05-27 23:25:08 UTC
AV detection:
2 of 39 (5.13%)
Threat level:
2/5
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Process spawned unexpected child process
Malware Config
Dropper Extraction:
https://seiurksia.xyz/xls/bomb/index/processingSetRequestDownloadPayloader/?servername=excel
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.80
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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