MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc60c2d2f89eed099d1b41eb4ed7912549f3e00b8fdd7d7de1ef86e67e619550. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc60c2d2f89eed099d1b41eb4ed7912549f3e00b8fdd7d7de1ef86e67e619550
SHA3-384 hash: 6f9fc7cd5ce531dee8ea3dd05f9520ef6d70ac3845b9cad37bcaa01655000a55535ee758318115557d127b3d823f2f61
SHA1 hash: b7efc645a734abc0f04b17cc8faff1e948b923ae
MD5 hash: 7b391b4c09dc702cecfb2507b3d88bd4
humanhash: autumn-alabama-alaska-purple
File name:JNKI-044-PO-038.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:329'899 bytes
First seen:2020-12-15 16:38:09 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 6144:jisH9M978tdCvCvSMdmeHElmJGcRdYzI+rsoaVaDCvNHIpPe+Eqay:jisHIxvCYPSGcbqI+rszYCOJZv
TLSH 5264AEF875047DE6267F47ABD996ACED03B62A6399C764CD80A4B7C30563336FE02805
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: jnkindia.com
Sending IP: 84.38.132.107
From: JNK Pvt. Ltd. <enquiry@jnkindia.com>
Subject: RE: Purchase Order (JNKI-044-PO-038)
Attachment: JNKI-044-PO-038.doc

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
JNKI-044-PO-038.doc
Verdict:
Malicious activity
Analysis date:
2020-12-15 17:09:53 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/7f533ac3-1a93-4de1-95fb-ddf5617597d8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Running batch commands
Creating a process with a hidden window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source 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/fc60c2d2f89eed099d1b41eb4ed7912549f3e00b8fdd7d7de1ef86e67e619550/results/dashboard
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/563458
Signature
.NET source code contains very large array initializations
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330816 Sample: JNKI-044-PO-038.doc Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 8 other signatures 2->49 8 EQNEDT32.EXE 11 2->8         started        13 WINWORD.EXE 336 20 2->13         started        15 EQNEDT32.EXE 2->15         started        process3 dnsIp4 41 icy-beppu-4146.under.jp 163.44.185.233, 49165, 80 INTERQGMOInternetIncJP Japan 8->41 29 C:\Users\user\AppData\Roaming\ATR.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...IC[1].exe, PE32 8->31 dropped 65 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->65 17 ATR.exe 12 1 8->17         started        file5 signatures6 process7 dnsIp8 33 hastebin.com 172.67.143.180, 443, 49166 CLOUDFLARENETUS United States 17->33 51 Multi AV Scanner detection for dropped file 17->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->55 57 3 other signatures 17->57 21 ATR.exe 6 17->21         started        25 cmd.exe 17->25         started        signatures9 process10 dnsIp11 35 mail.hkoffice365.com 162.241.85.194, 49167, 49170, 49171 OIS1US United States 21->35 37 elb097307-934924932.us-east-1.elb.amazonaws.com 54.243.164.148, 443, 49172 AMAZON-AESUS United States 21->37 39 2 other IPs or domains 21->39 59 Tries to steal Mail credentials (via file access) 21->59 61 Tries to harvest and steal ftp login credentials 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 27 timeout.exe 25->27         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc60c2d2f89eed099d1b41eb4ed7912549f3e00b8fdd7d7de1ef86e67e619550/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-12-15 13:34:38 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7rqmfuxyt3wqthi3ihvu5v4reve7hyalr7ox27pb56dom7tbsvia._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201215-zpe31jmfvs/
Behaviour
Delays execution with timeout.exe
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
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
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fc60c2d2f89eed099d1b41eb4ed7912549f3e00b8fdd7d7de1ef86e67e619550

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.

File information

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

Malspam

AgentTesla

Word file doc fc60c2d2f89eed099d1b41eb4ed7912549f3e00b8fdd7d7de1ef86e67e619550

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments