MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab
SHA3-384 hash: d9ac6c0b201c5094c935243799875499586faf49310724b14fdb965583f348d8e2aa1f5c84309c7c652e85de29777891
SHA1 hash: 4229d654c127bd3e14556242389f540840ee685e
MD5 hash: 8f4d6f24ecfd6d4c9c1ed731c25a8b4b
humanhash: fish-fix-mike-pasta
File name:February_Order 43726.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:104'358 bytes
First seen:2024-02-20 07:03:55 UTC
Last seen:2024-02-20 08:25:17 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:IwAbZSibMX9gRWjtwAbZSibMX9gRWjtwAbZSibMX9gRWje+uXtvl6i5RRUM7uylr:IwAlRkwAlRkwAlRLxlZQylcHKye
TLSH T106A35A6DD34B02598F621337AB5B1E5441BDBA6EF38512B1306C437933EAC3DA1262BD
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
343
Origin country :
NL NL
Vendor Threat Intelligence
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.28765.RtfHeur.ObjUpd.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
Using the Windows Management Instrumentation requests
Creating a window
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Changing an executable file
Launching a service
Creating a file
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
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
Infecting executable files
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65d44ee526f1ddc579a1889e/reports/4a74e4cd-f0a3-4c04-9ca2-01d51500d44b/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=e9c70fcd-603a-463a-8c82-666c873e39c3
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395027
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Document exploit detected (process start blacklist hit)
Found malware configuration
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 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)
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
80%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 00:50:09 UTC
File Type:
Document
Extracted files:
3
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mbfsq47hmcgtyaoncba4wnsdnpzqxnfkehwj6puoro3awf6gn6vq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240220-hvx6vadg63/
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
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Drops file in System32 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
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/604b2873e760/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/604b2873e7608d3c01cd1041cb36436bf30bb4aa21ec9f3e8e8bb60b17c66fab

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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