MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86. 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
AgentTesla
Vendor detections: 12
| SHA256 hash: | f21641048c363841f9d62cca0c545acdb5c700ce9b11cbafba77bbba024f6e86 |
|---|---|
| SHA3-384 hash: | 2068661ca47d9da75d9fcdce972d39da7ff533c41ce81f4ae283c552c1870ea875791fdf23f6eaebd4e3cc5de0e8b9bb |
| SHA1 hash: | 7657e939e03d8d1c37d7e4073e1dbda352f4f66d |
| MD5 hash: | 4a5b8828c333d0747bbcf63811c835ba |
| humanhash: | illinois-apart-gee-jersey |
| File name: | PO CBV87654469.xlam |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 615'686 bytes |
| First seen: | 2023-09-25 18:51:54 UTC |
| Last seen: | 2023-09-28 10:55:58 UTC |
| File type: |  xlsx |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 12288:NzWiwOcaU1JkVIXXqzWR1JDSsnirv/vC+Ltwm90TyAFznZtP:Nai41J2InPRXDS5/vC+6m2ZtP |
| TLSH | T1BDD423B0ED92B1FECB650DBA837456CE180323256C6B17D8DD21E909F92D243F27E592 |
| TrID | 54.4% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7) 28.0% (.ZIP) Open Packaging Conventions container (17500/1/4) 9.6% (.USDZ) Universal Scene Description Zipped AR format (generic) (6000/1/1) 6.4% (.ZIP) ZIP compressed archive (4000/1) 1.6% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1) |
| Reporter |  TeamDreier |
| Tags: | AgentTesla CVE-2017-11882 xlsx |
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 dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 885997 bytes | ole10naTIVe |
| A2 | 0 bytes | urTwZqvfQKXvfqWdmywByBEons |
Intelligence
File Origin
# of uploads :
7
# of downloads :
289
Origin country :
DKVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO CBV87654469.xlsx
Verdict:
No threats detected
Analysis date:
2023-09-25 17:10:08 UTC
Tags:
n/a
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
Sending a custom TCP request
Creating a window
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process with a hidden window
Possible injection to a system process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Launching a file downloaded from the Internet
Verdict:
Malicious
Threat level:
10/10
Confidence:
89%
Tags:
embedequation exploit shellcode
Verdict:
Malicious
Labled as:
CVE-2017-11882
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Verdict:
MALICIOUS
Link:
Details
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Document contains OLE streams with names of living off the land binaries
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sample uses string decryption to hide its real strings
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell download and load assembly
Suspicious powershell command line found
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-09-25 09:49:08 UTC
File Type:
Document
Extracted files:
16
AV detection:
25 of 36 (69.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Blocklisted process makes network request
Malware Config
Dropper Extraction:
https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937
Malware family:
AgentTesla.v4
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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