MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94. 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: 16


Intelligence 16 IOCs YARA 18 File information Comments
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SHA256 hash: 808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94
SHA3-384 hash: 52d598ac7d448f5455bed473e9dd1c5deffb200d8091b0643f71a95ec9abfe7be8865fcf18595752d2bf6de1fb29233e
SHA1 hash: 6d695ab0e54509730bf19e0e59e9fe18a6ffd60b
MD5 hash: f49eff0902ee05f14f88a3186c89d396
humanhash: diet-sweet-glucose-hydrogen
File name:file
Download: download sample
Signature AgentTesla
Create hunting rule
File size:507'555 bytes
First seen:2023-02-06 14:56:58 UTC
Last seen:2023-02-06 16:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:OYLqA1Hj24th3eovFGI4O9Q4j1C2+WmPGgYG:OYL71K4TjfL9/1CXzzF
Threatray 2'615 similar samples on MalwareBazaar
TLSH T11EB41245A210C677D4532AB06A3652B19BB3BC155AB99B0F03617F2EFD328427E0F71B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 98a2a6a08383a200 (9 x RemcosRAT, 3 x Formbook, 1 x AgentTesla)
Reporter jstrosch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
35770745a03a98a5a8c69350634620b9.doc
Verdict:
Malicious activity
Analysis date:
2023-02-06 00:17:37 UTC
Tags:
trojan opendir exploit cve-2017-11882 loader rat remcos keylogger
Link:
https://app.any.run/tasks/ab1e12e7-63c4-4a53-bd70-df83f9221f56

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/360940/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.16129.16385.32211.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
Sending an HTTP GET request
Reading critical registry keys
Searching for synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a recently created process
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/65818/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e11540528134caf043a92c/reports/2478377e-809e-4b43-8d93-585a5e88fe49/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f0fed405-566d-4659-9870-928d32ae2133
Result
Threat name:
AgentTesla, AveMaria, Remcos, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1166774
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates multiple autostart registry keys
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AveMaria stealer
Yara detected Remcos RAT
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Yara detected UACMe UAC Bypass tool
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 799548 Sample: file.exe Startdate: 06/02/2023 Architecture: WINDOWS Score: 100 94 Snort IDS alert for network traffic 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 Antivirus detection for URL or domain 2->98 100 12 other signatures 2->100 10 file.exe 19 2->10         started        13 esvepfbaq.exe 2->13         started        16 fcefrqlik.exe 2->16         started        18 esvepfbaq.exe 2->18         started        process3 file4 64 C:\Users\user\AppData\Local\Temp\adlppw.exe, PE32 10->64 dropped 20 adlppw.exe 1 2 10->20         started        130 Multi AV Scanner detection for dropped file 13->130 24 WerFault.exe 4 10 13->24         started        26 WerFault.exe 16->26         started        28 WerFault.exe 10 18->28         started        signatures5 process6 file7 62 C:\Users\user\AppData\...\esvepfbaq.exe, PE32 20->62 dropped 110 Multi AV Scanner detection for dropped file 20->110 112 Tries to steal Mail credentials (via file registry) 20->112 114 Performs DNS queries to domains with low reputation 20->114 116 2 other signatures 20->116 30 adlppw.exe 2 316 20->30         started        signatures8 process9 dnsIp10 84 top.not2beabused01.xyz 38.117.65.122, 1558, 1668, 49696 RC-01-ASCA United States 30->84 86 geoplugin.net 178.237.33.50, 49708, 80 ATOM86-ASATOM86NL Netherlands 30->86 70 C:\Users\user\AppData\Local\Temp\wz.exe, PE32 30->70 dropped 72 C:\Users\user\AppData\Local\Temp\og.exe, PE32 30->72 dropped 88 Maps a DLL or memory area into another process 30->88 90 Sample uses process hollowing technique 30->90 92 Installs a global keyboard hook 30->92 35 og.exe 30->35         started        39 wz.exe 30->39         started        41 adlppw.exe 1 30->41         started        43 12 other processes 30->43 file11 signatures12 process13 dnsIp14 58 C:\Users\user\AppData\...\meqxzjaxby.exe, PE32 35->58 dropped 102 Multi AV Scanner detection for dropped file 35->102 46 meqxzjaxby.exe 35->46         started        60 C:\Users\user\AppData\...\blektxqlsm.exe, PE32 39->60 dropped 50 blektxqlsm.exe 39->50         started        104 Tries to steal Instant Messenger accounts or passwords 41->104 106 Tries to steal Mail credentials (via file / registry access) 41->106 82 192.168.2.1 unknown unknown 43->82 108 Tries to harvest and steal browser information (history, passwords, etc) 43->108 file15 signatures16 process17 file18 66 C:\Users\user\AppData\...\pvmmnmve.exe, PE32 46->66 dropped 132 Multi AV Scanner detection for dropped file 46->132 134 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 46->134 136 May check the online IP address of the machine 46->136 138 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 46->138 52 meqxzjaxby.exe 46->52         started        68 C:\Users\user\AppData\...\fcefrqlik.exe, PE32 50->68 dropped 140 Performs DNS queries to domains with low reputation 50->140 142 Creates multiple autostart registry keys 50->142 144 Maps a DLL or memory area into another process 50->144 56 blektxqlsm.exe 50->56         started        signatures19 process20 dnsIp21 74 api4.ipify.org 173.231.16.76, 443, 49713 WEBNXUS United States 52->74 76 api.telegram.org 149.154.167.220, 443, 49717, 49718 TELEGRAMRU United Kingdom 52->76 78 api.ipify.org 52->78 118 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->118 120 Tries to steal Mail credentials (via file / registry access) 52->120 122 Tries to harvest and steal browser information (history, passwords, etc) 52->122 124 Installs a global keyboard hook 52->124 80 top.not2beabused01.xyz 56->80 126 Increases the number of concurrent connection per server for Internet Explorer 56->126 128 Hides that the sample has been downloaded from the Internet (zone.identifier) 56->128 signatures22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-02-06 08:02:37 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qcf3gl3rblrd2kslko4hh53gx5lnsbo35dsrqehn2fp7pfjyzwka._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
remcos
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
AgentTesla
03541b2cf3bf022eda584b9ead6b6edeb7a47e8ccaa99b2415ee56694c9868cb
AgentTesla
23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18
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62f4359aef9d0d604c03c099da375debd0d98f20cf4f673a5a32bd64989076ca
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69b7150f7be7cfd685c50328e9554d28d99e9f7babdf19eb10ea350a3658f2ac
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a06b22bc855434e422e2361ed4e07e88c5958b5bebecc34020c3c011b0ce03b2
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a4da37e92ca54c8851ad144fba875b61e2018f69bbe43b11926d8f8d831b56f0
AgentTesla
+ 2'605 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:remcos family:warzonerat botnet:secondclients collection infostealer keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/230206-sbkrhsee28/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
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
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
AgentTesla
Remcos
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
top.not2beabused01.xyz:1558
sub.not2beabused02.xyz:1558
https://api.telegram.org/bot5169304639:AAEuGpfCL-hv_A-RdB_r9uRMHt_yvJZb2Z8/
Unpacked files
SH256 hash:
c7e8c1dbe3e075fac8251d1c97158e145fc07ff04cbac4232b2e2f13808f30c7
MD5 hash:
af9aa939c7bd4d7b0353f47c212341b7
SHA1 hash:
f6fc9daf2af203b631f85bf79287676c38a3c61e
Link:
https://www.unpac.me/results/55ea6a8c-7349-4f33-9ed4-5bbaf69b5d97/
SH256 hash:
808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94
MD5 hash:
f49eff0902ee05f14f88a3186c89d396
SHA1 hash:
6d695ab0e54509730bf19e0e59e9fe18a6ffd60b
Link:
https://www.unpac.me/results/55ea6a8c-7349-4f33-9ed4-5bbaf69b5d97/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/808bb32f710a/report/overview.html
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/808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:yara_template
Create hunting rule

File information

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

Web download

AgentTesla

Executable exe 808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/360940/

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