MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e
SHA3-384 hash: 1edd32da0c6d6995d2d00f33f2205a59572aa2d7a841ca49308fb1e8221435b81930eddcdbba5a8020384f530b361289
SHA1 hash: 03486309f51dcff54228853776036673a2a71493
MD5 hash: 5c8ef29599ac61a0f93062ef5cc675ef
humanhash: solar-batman-lactose-thirteen
File name:PO_AAAQ14576 - 121062603.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:88'270 bytes
First seen:2024-01-29 14:04:40 UTC
Last seen:2024-02-01 12:07:17 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:8wAbZSibMX9gRWjtwAbZSibMX9gRWjtwAbZSibMX9gRWjFTtzl3/+xoQH0c+bwIW:8wAlRkwAlRkwAlRqtzl3IoQULXW
TLSH T17F836C2DD34B02598F620376AB1B1E5142BDBA7EF39552B1306C437933EAC3DA1252BD
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
4
# of downloads :
327
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
malicious.eml.msg
Verdict:
Malicious activity
Analysis date:
2024-01-29 14:04:39 UTC
Tags:
exploit cve-2017-11882 stealer agenttesla
Link:
https://app.any.run/tasks/795e34d9-3872-441c-bc7a-09ae37516af5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit lolbin packed remote shellcode
Link:
https://www.filescan.io/uploads/65b7b09e814c2aeb1483f088/reports/25114e93-850d-423f-8877-66587641d52e/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=e2bfc84b-9049-4b1c-b986-533e06987b07
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1382752
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: Suspicious Process Patterns NTDS.DIT Exfil
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1382752 Sample: PO_AAAQ14576_-_121062603.doc Startdate: 29/01/2024 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 19 other signatures 2->65 8 WINWORD.EXE 336 13 2->8         started        10 xStXz.exe 2 2->10         started        13 xStXz.exe 2 2->13         started        process3 signatures4 15 EQNEDT32.EXE 11 8->15         started        20 EQNEDT32.EXE 8->20         started        67 Antivirus detection for dropped file 10->67 69 Multi AV Scanner detection for dropped file 10->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->71 73 Machine Learning detection for dropped file 10->73 22 xStXz.exe 12 2 10->22         started        75 Injects a PE file into a foreign processes 13->75 24 xStXz.exe 2 13->24         started        process5 dnsIp6 39 kalnet.top 172.67.188.40, 443, 49160 CLOUDFLARENETUS United States 15->39 33 C:\Users\user\AppData\...\ugorich59967.exe, PE32 15->33 dropped 35 C:\Users\user\AppData\...\ugorichzx[1].exe, PE32 15->35 dropped 47 Installs new ROOT certificates 15->47 49 Office equation editor establishes network connection 15->49 51 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 15->51 26 ugorich59967.exe 2 15->26         started        41 173.231.16.75, 443, 49162 WEBNXUS United States 22->41 43 api4.ipify.org 22->43 45 api.ipify.org 22->45 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->53 55 Tries to steal Mail credentials (via file / registry access) 24->55 57 Tries to harvest and steal browser information (history, passwords, etc) 24->57 file7 signatures8 process9 signatures10 77 Antivirus detection for dropped file 26->77 79 Multi AV Scanner detection for dropped file 26->79 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->81 83 2 other signatures 26->83 29 ugorich59967.exe 13 4 26->29         started        process11 file12 37 C:\Users\user\AppData\Roaming\...\xStXz.exe, PE32 29->37 dropped 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->85 87 Tries to steal Mail credentials (via file / registry access) 29->87 89 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->89 signatures13
Score:
94%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 05:36:42 UTC
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7gbtpu2qxua3zcokryl2wyl3pf73scke7du6ocknzfi6mk2h35pa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/240129-rdvh3achcp/
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 use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f98337d350bd01bc89ca8e17ab617b797fb90944f8e9e7094dc951e62b47df5e

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:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

File information

The table below shows additional information about this malware sample such as delivery method and external references.

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