MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 121acb2267513ba8f33c33a15c55f68395082fc82d997a4865bfdb1af88bf2b2. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 121acb2267513ba8f33c33a15c55f68395082fc82d997a4865bfdb1af88bf2b2
SHA3-384 hash: 312159fc38fe34053b7f5b622a2e42cabb246c67942f0941345179d1291e569bd718ad61b10ad9e7396bf56eae579621
SHA1 hash: d2106a2c318ce72da562b37589188a2d57348be9
MD5 hash: 032ac06e2b31338034af1310ecc6b8ca
humanhash: fillet-carolina-yankee-cola
File name:PI for 5050NW 60 RGBW.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:72'020 bytes
First seen:2021-02-09 06:30:12 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:8DfPiuzcBTPZN7VjELoH2KQKOcmJgjzqhYFS6dWRiKcBfXSgJCcti:8TPipTiLoHgbJsqhoS6gcBTgP
TLSH 7D63B0B879083DE6665F5277DA86BCDC03BA267286C7A4CD607CB7C70563376ED01809
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: v-smtp04.nsk.ne.jp
Sending IP: 219.99.208.84
From: LEDCORNER\\SALVE <salve@ledcorner.co.uk>
Subject: RE: Request for PI for 5050NW 60 RGBW Strip 24V IP20
Attachment: PI for 5050NW 60 RGBW.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI for 5050NW 60 RGBW.doc
Verdict:
Malicious activity
Analysis date:
2021-02-09 06:32:46 UTC
Tags:
trojan opendir
Link:
https://app.any.run/tasks/2400655e-e9e0-4aeb-ab27-f765a819e151

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.DOCXSTRGOOD.RTFSTR._EQUATION.200422.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
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Launching a file downloaded from the Internet
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/121acb2267513ba8f33c33a15c55f68395082fc82d997a4865bfdb1af88bf2b2/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/602636
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Installs a global keyboard hook
May check the online IP address of the machine
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 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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 350338 Sample: PI for  5050NW 60 RGBW.doc Startdate: 09/02/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 11 other signatures 2->51 8 EQNEDT32.EXE 11 2->8         started        13 WINWORD.EXE 336 18 2->13         started        15 EQNEDT32.EXE 2->15         started        process3 dnsIp4 43 tunedinblog.com 150.95.81.183, 49167, 80 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 8->43 31 C:\Users\user\AppData\...\rovex37934.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\Local\...\rovex[1].exe, PE32 8->33 dropped 69 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->69 17 rovex37934.exe 12 1 8->17         started        file5 signatures6 process7 dnsIp8 35 185.239.242.107, 49168, 80 CLOUDIE-AS-APCloudieLimitedHK Moldova Republic of 17->35 53 Multi AV Scanner detection for dropped file 17->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->57 59 3 other signatures 17->59 21 rovex37934.exe 12 17->21         started        25 cmd.exe 17->25         started        27 rovex37934.exe 17->27         started        signatures9 process10 dnsIp11 37 mail.sardaplywood.com 67.225.218.11, 49169, 49170, 49172 LIQUIDWEBUS United States 21->37 39 nagano-19599.herokussl.com 21->39 41 2 other IPs or domains 21->41 61 Tries to steal Mail credentials (via file access) 21->61 63 Tries to harvest and steal ftp login credentials 21->63 65 Tries to harvest and steal browser information (history, passwords, etc) 21->65 67 Installs a global keyboard hook 21->67 29 timeout.exe 25->29         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/121acb2267513ba8f33c33a15c55f68395082fc82d997a4865bfdb1af88bf2b2/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-02-09 03:06:32 UTC
AV detection:
21 of 47 (44.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cinmwithke52r4z4goqvyvpwqokqql6ifwmxusdfx7nrv6el6kza._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210209-3f99xshc7e/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
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
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Windows directory
Enumerates physical storage devices
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/121acb2267513ba8f33c33a15c55f68395082fc82d997a4865bfdb1af88bf2b2

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Malspam

AgentTesla

Word file doc 121acb2267513ba8f33c33a15c55f68395082fc82d997a4865bfdb1af88bf2b2

(this sample)

  
Delivery method
Distributed via e-mail attachment

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