MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb9170b75704e2202310a4ea95652f93cfcc6d4c4700055156ebb8e5532c4a9b. 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: 6


Intelligence 6 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb9170b75704e2202310a4ea95652f93cfcc6d4c4700055156ebb8e5532c4a9b
SHA3-384 hash: acad829c21e551a6c4fe34aa8c6cddd9214da4cb13d730cb6c85ca639a33a752c58c695899527bc3f9f6d2fe65400f66
SHA1 hash: 5d44a7f82409bbb784197ed4508b9aa135a6379a
MD5 hash: 4a492d1d5596e548d48b0f17e34d9147
humanhash: eighteen-delaware-delaware-foxtrot
File name:Scan_638100.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:66'790 bytes
First seen:2020-09-28 09:40:34 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:7HqcBTPZN7VjELoH2KQKOcmJgjzqhYFS6dWRiKcBfXSgJb:1TiLoHgbJsqhoS6gcBT9
TLSH 0B63A0BC7A082DE5656F42EBDA86ACDC02BA16529587A0CD70BD77C70733376EE02C45
Reporter cocaman
Tags:AgentTesla CVE-2017-11882 doc


Avatar
cocaman
Malicious email (T1566.001)
From: "Raahat Nayeem <export2@polymedicure.com>"
Received: "from polymedicure.com (unknown [95.211.217.177]) "
Date: "28 Sep 2020 02:16:33 -0700"
Subject: "RE: Shipment"
Attachment: "Scan_638100.doc"

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
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
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 an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/476311
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb9170b75704e2202310a4ea95652f93cfcc6d4c4700055156ebb8e5532c4a9b/
Threat name:
Document-Office.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2020-09-28 09:42:07 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7oixbn2xatrcaiyqutvjkzjpsph4y3kmi4aakukw5o4okuzmjknq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
upx
Link:
https://tria.ge/reports/200928-zzq8vbr9y6/
Behaviour
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
Suspicious use of SetThreadContext
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
UPX packed file
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/fb9170b75704e2202310a4ea95652f93cfcc6d4c4700055156ebb8e5532c4a9b

File information

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

Malspam

AgentTesla

Word file doc fb9170b75704e2202310a4ea95652f93cfcc6d4c4700055156ebb8e5532c4a9b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments