MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b. 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 2 File information Comments
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SHA256 hash: 13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b
SHA3-384 hash: 9576379b076a2eb5105d9d2132b63a73f17ab025b0293a5940587ca181bbdfc10d72e16cae45805ab07d6d8c5e19fdfe
SHA1 hash: 2d457867c3a63c535dd22df1004d0e9d219b6960
MD5 hash: 2c6c2c3fbdd819ee45b543d6632f842f
humanhash: emma-fish-autumn-zulu
File name:logszx.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:81'341 bytes
First seen:2023-08-07 09:28:48 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 768:awAbZSibMX9gRWjbGkBeKvosrxIiknaIqzipg5yB0vPxR0H1RQwIO66kp:awAlRWGkBefsmi4a7A0vPxRq8wIxFp
TLSH T13F83136D934F01A9CF925237972A4E4842FDBB3EB38551B134AC437933AEC2D51262BD
Reporter Anonymous
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
LPO 00864.docx
Verdict:
Malicious activity
Analysis date:
2023-08-07 09:27:46 UTC
Tags:
exploit cve-2017-11882 loader agenttesla stealer
Link:
https://app.any.run/tasks/51c12b83-fed4-4958-801c-b17bb682cbd6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b/results/dashboard
Behaviour
BlacklistAPI detected
Gathering data
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=1a50cf4a-3244-42fc-a7f6-96d79333947d
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/1286997
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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)
Sample uses string decryption to hide its real strings
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1286997 Sample: logszx.doc Startdate: 07/08/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 12 other signatures 2->39 7 EQNEDT32.EXE 11 2->7         started        12 WINWORD.EXE 291 20 2->12         started        process3 dnsIp4 31 2.59.254.18, 49183, 80 CMCSUS Germany 7->31 21 C:\Users\user\AppData\...\logaoh68951.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\logszx[1].exe, PE32 7->23 dropped 47 Office equation editor establishes network connection 7->47 49 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->49 14 logaoh68951.exe 1 5 7->14         started        25 ~WRF{84366273-E080...3-2CE0FA3951E2}.tmp, Composite 12->25 dropped file5 signatures6 process7 signatures8 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->51 53 Injects a PE file into a foreign processes 14->53 17 logaoh68951.exe 10 14->17         started        process9 dnsIp10 27 smtp.quartziax.com 17->27 29 us2.smtp.mailhostbox.com 208.91.199.223, 25, 49184 PUBLIC-DOMAIN-REGISTRYUS United States 17->29 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->41 43 Tries to steal Mail credentials (via file / registry access) 17->43 45 Tries to harvest and steal browser information (history, passwords, etc) 17->45 signatures11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-08-07 09:29:05 UTC
File Type:
Document
Extracted files:
3
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cpmgav2fwecdeyzizruh7733kkketrxkomxny7tpiljmgoxxqwfq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230807-lfw7safh31/
Behaviour
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
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/13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b

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_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.

Web download

AgentTesla

Word file doc 13d8605745b104326328cc687fff7b529449c6ea732edc7e6f42d2c33af7858b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2701531/

Comments