MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36330fa71c2af722f4f5803d98b4743b52f6fbd9d616170d4491a8a3907fc7e2. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 36330fa71c2af722f4f5803d98b4743b52f6fbd9d616170d4491a8a3907fc7e2
SHA3-384 hash: 32b0b5ceeaf8e76ef7b445992439605050bfd147ccef68ee93c63eb53db1c8a46c276ee8285ee2b225990dfa1abaab41
SHA1 hash: 7bf80d3bc27b9c766a889eccbab24cfb09c8cbcf
MD5 hash: a3fd7f716169052a23035d8a2ca33f0b
humanhash: foxtrot-three-helium-berlin
File name:DEVOLUCIÓN DE PAGO TT Ref 0180066743.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:3'959 bytes
First seen:2022-04-14 05:39:13 UTC
Last seen:2022-04-14 06:54:02 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 48:zsp3w63LqVC0Egumty6a01quBgPGmCmP0X3c4XqANNS4U5D2Y6Y0+zZTvr7H2aJd:IOk2Eg1HHW+iM3ZhNMUY65kTvrJJiU
TLSH T1F681E69D217C0CA4DEAA41132DB9FDAC03ECF09747CB2A88356EEA850B3F3151A4B844
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DEVOLUCIÓN DE PAGO TT Ref 0180066743.doc
Verdict:
Malicious activity
Analysis date:
2022-04-14 08:43:09 UTC
Tags:
loader exploit CVE-2017-11882
Link:
https://app.any.run/tasks/b95b7f64-14b2-435e-a499-23d61aa7db8c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.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
Searching for the window
Sending a custom TCP request
Launching a process
Creating a window
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/36330fa71c2af722f4f5803d98b4743b52f6fbd9d616170d4491a8a3907fc7e2/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/6257b3b4482f2f41caabee45/reports/8d834869-9c1c-4962-b9c4-63a8d9b55ebf/overview
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/976577
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
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 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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609067 Sample: DEVOLUCI#U00d3N DE PAGO TT ... Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 13 other signatures 2->39 8 EQNEDT32.EXE 11 2->8         started        13 WINWORD.EXE 291 23 2->13         started        process3 dnsIp4 31 195.133.18.171, 49171, 49172, 80 AS-REGRU Russian Federation 8->31 25 C:\Users\user\AppData\Roaming\zvnmguryj.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\...\Ahutafmlm[1].exe, PE32 8->27 dropped 45 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->45 15 zvnmguryj.exe 13 6 8->15         started        29 ~WRF{5FFF7B52-F9F4...4-ED0A6AF2BEF3}.tmp, Composite 13->29 dropped file5 signatures6 process7 signatures8 47 Multi AV Scanner detection for dropped file 15->47 49 Machine Learning detection for dropped file 15->49 51 Writes to foreign memory regions 15->51 53 Injects a PE file into a foreign processes 15->53 18 MSBuild.exe 2 15->18         started        21 cmd.exe 15->21         started        process9 signatures10 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->43 23 timeout.exe 21->23         started        process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/36330fa71c2af722f4f5803d98b4743b52f6fbd9d616170d4491a8a3907fc7e2/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 09:45:25 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gyzq7jy4fl3sf5hvqa6zrnduhnjpn66z2ylbodkesgukhed7y7ra._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220414-gcv34agfe4/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
AgentTesla Payload
AgentTesla
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/36330fa71c2a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/36330fa71c2af722f4f5803d98b4743b52f6fbd9d616170d4491a8a3907fc7e2

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.

Comments