MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 28beaf6a3a765212748fdc5667a021a599239e48c153eebfbd6f920c74f236a7. 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
IcedID
Vendor detections: 13
Maldoc score: 21
| SHA256 hash: | 28beaf6a3a765212748fdc5667a021a599239e48c153eebfbd6f920c74f236a7 |
|---|---|
| SHA3-384 hash: | 2d75a57d2983439e4a98ad7c79e22494a7cf66926b117e1e38b13b9efa88b03161ec0cd79383f0d8976d25a237920fce |
| SHA1 hash: | e433cffa95fbf5cce8ba04dee8ad79ec1c1fb5b5 |
| MD5 hash: | 415c35442309011513144602dc06a4ab |
| humanhash: | hotel-delta-pip-hawaii |
| File name: | readytek.doc.11.10.22.doc |
| Download: | download sample |
| Signature | IcedID |
| File size: | 1'331'615 bytes |
| First seen: | 2022-11-11 06:10:15 UTC |
| Last seen: | Never |
| File type: |  doc |
| MIME type: | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| ssdeep | 24576:kM3HJByN63keT98TBa3qr6lzSAOCj3WxFVrCM84vAaD6cvdpVOKl:nX7YGkeTWTBSqulzSA9erCMPYksKl |
| TLSH | T1F9552310CD90A44FF2DE1130721794DB7F84747E9A5BEA93AEE502EF7C8A42AC91D8D1 |
| TrID | 53.0% (.DOCM) Word Microsoft Office Open XML Format document (with Macro) (52000/1/9) 23.9% (.DOCX) Word Microsoft Office Open XML Format document (23500/1/4) 17.8% (.ZIP) Open Packaging Conventions container (17500/1/4) 4.0% (.ZIP) ZIP compressed archive (4000/1) 1.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1) |
| Reporter |  abuse_ch |
| Tags: | doc IcedID |
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: 21 |
OLE dump
MalwareBazaar was able to identify 6 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 371 bytes | PROJECT |
| A2 | 41 bytes | PROJECTwm |
| A3 | 6529 bytes | VBA/ThisDocument |
| A4 | 7 bytes | VBA/_VBA_PROJECT |
| A5 | 494 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 | Document_Open | Runs when the Word or Publisher document is opened |
| Suspicious | Environ | May read system environment variables |
| Suspicious | Open | May open a file |
| Suspicious | Write | May write to a file (if combined with Open) |
| Suspicious | Put | May write to a file (if combined with Open) |
| Suspicious | Binary | May read or write a binary file (if combined with Open) |
| Suspicious | Shell | May run an executable file or a system command |
| 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 :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
readytek.doc.11.10.22.doc
Verdict:
Suspicious activity
Analysis date:
2022-11-11 06:12:10 UTC
Tags:
macros macros-on-open
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %temp% directory
Delayed writing of the file
Creating a process with a hidden window
Launching a process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Word File with Macro
Payload URLs
URL
File name
http://f5df7a99-09dd-4ea7-897e-13e0eeb81185/
item1.xml
Behaviour
BlacklistAPI detected
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
evasive macros macros-on-open obfuscated packed rundll32
Label:
Malicious
Suspicious Score:
9.7/10
Score Malicious:
97%
Score Benign:
3%
Result
Threat name:
IcedID
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many GOTO operations indicating source code obfuscation
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected IcedID
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Valyria
Status:
Malicious
First seen:
2022-11-11 06:11:09 UTC
File Type:
Document
Extracted files:
26
AV detection:
7 of 40 (17.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
icedid
Score:
10/10
Tags:
family:icedid campaign:1292139634 banker loader macro trojan
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 use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Loads dropped DLL
Blocklisted process makes network request
IcedID, BokBot
Process spawned unexpected child process
Malware Config
C2 Extraction:
oiurkastarting.com
Malware Family:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Malware family:
IcedID
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
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: | informational_win_ole_protected |
|---|---|
| Author: | Jeff White (karttoon@gmail.com) @noottrak |
| Description: | Identify OLE Project protection within documents. |
| Rule name: | vbaproject_bin |
|---|---|
| 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.
No further information available
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