MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27cb289230f6544ef667488a02ee6967b9f1c4cf0c9a4c4d57af8a374b2241d9. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27cb289230f6544ef667488a02ee6967b9f1c4cf0c9a4c4d57af8a374b2241d9
SHA3-384 hash: 643fa5bc68e4d2127a82dc4da0882d5af3f1a163f67661463826303295c9dba6e585676a1905aef6150494faa2346499
SHA1 hash: 153439d8a1edb4c3dea9fdb78c910dbb107abd58
MD5 hash: fe54df1ab8565835d83177d1d03e2dd0
humanhash: mike-pluto-steak-purple
File name:new_order20210408_14.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:844'474 bytes
First seen:2021-04-08 06:38:09 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:jl8SNunAls+41ViunAls+41ViunAls+41VRS:aoW+41OW+41OW+41rS
TLSH 9E05DEB885DA00A4F39F81207DEFBD6001B3F5DBDEC65E2003BDE9705AA9A532D8594D
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail.dkknitbd.com
Sending IP: 202.4.126.118
From: Sales / export <parvez@dkknitbd.com>
Subject: Re:Fw:Re: New Order Shipment/ delivery
Attachment: new_order20210408_14.doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new_order20210408_14.doc
Verdict:
No threats detected
Analysis date:
2021-04-08 06:41:22 UTC
Tags:
ole-embedded
Link:
https://app.any.run/tasks/79b9fa4f-1e52-4dc1-9335-3696cce69d7c

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
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/27cb289230f6544ef667488a02ee6967b9f1c4cf0c9a4c4d57af8a374b2241d9/results/dashboard
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/669613
Signature
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Document exploit detected (process start blacklist hit)
Downloads files with wrong headers with respect to MIME Content-Type
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Powershell downloading file from url shortener site
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Very long command line found
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 383730 Sample: new_order20210408_14.doc Startdate: 08/04/2021 Architecture: WINDOWS Score: 96 75 Antivirus detection for URL or domain 2->75 77 Sigma detected: Powershell downloading file from url shortener site 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 5 other signatures 2->81 7 EXCEL.EXE 16 6 2->7         started        10 EXCEL.EXE 2->10         started        12 EXCEL.EXE 2 6 2->12         started        14 11 other processes 2->14 process3 dnsIp4 85 Suspicious powershell command line found 7->85 87 Very long command line found 7->87 89 Tries to download and execute files (via powershell) 7->89 18 powershell.exe 15 19 7->18         started        23 powershell.exe 10->23         started        25 powershell.exe 10->25         started        27 powershell.exe 10->27         started        29 splwow64.exe 10->29         started        31 powershell.exe 20 12->31         started        71 127.0.0.1 unknown unknown 14->71 73 192.168.2.1 unknown unknown 14->73 61 C:\Users\...\new_order20210408_14.doc.LNK, MS 14->61 dropped 91 Changes security center settings (notifications, updates, antivirus, firewall) 14->91 33 powershell.exe 14->33         started        35 MpCmdRun.exe 14->35         started        37 splwow64.exe 14->37         started        file5 signatures6 process7 dnsIp8 63 192.236.147.58, 49721, 80 HOSTWINDSUS United States 18->63 65 bit.ly 67.199.248.11, 49720, 80 GOOGLE-PRIVATE-CLOUDUS United States 18->65 59 C:\Users\user\AppData\Local\Temp\99864.exe, PE32 18->59 dropped 83 Powershell drops PE file 18->83 39 99864.exe 18->39         started        43 conhost.exe 18->43         started        45 conhost.exe 23->45         started        47 conhost.exe 25->47         started        49 conhost.exe 27->49         started        51 conhost.exe 31->51         started        53 99864.exe 31->53         started        55 conhost.exe 33->55         started        57 conhost.exe 35->57         started        file9 signatures10 process11 dnsIp12 67 104.21.56.119, 443, 49724 CLOUDFLARENETUS United States 39->67 69 myliverpoolnews.cf 172.67.150.212, 49723, 80 CLOUDFLARENETUS United States 39->69 93 Machine Learning detection for dropped file 39->93 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27cb289230f6544ef667488a02ee6967b9f1c4cf0c9a4c4d57af8a374b2241d9/
Threat name:
Document-RTF.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 06:39:05 UTC
AV detection:
7 of 48 (14.58%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e7fsrerq6zke55thjcfaf3tjm647drgpbsneytkxv6fdoszcihmq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210408-m7z4tjl1xa/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
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
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
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
Windows security modification
Blocklisted process makes network request
Executes dropped EXE
AgentTesla Payload
AgentTesla
Process spawned unexpected child process
Windows security bypass
Malware Config
Dropper Extraction:
http://bit.ly/2RhLurR
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/27cb289230f6544ef667488a02ee6967b9f1c4cf0c9a4c4d57af8a374b2241d9

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_8759_2
Create hunting rule
Author:ditekSHen
Description:detects CVE-2017-8759 weaponized RTF documents.
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 27cb289230f6544ef667488a02ee6967b9f1c4cf0c9a4c4d57af8a374b2241d9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments