MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3d36c7ba3e0238d3fbd6198c65d02ab2376287a1617868a8e9f576e8c74c523. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3d36c7ba3e0238d3fbd6198c65d02ab2376287a1617868a8e9f576e8c74c523
SHA3-384 hash: 3ae5ef7005045e3e76ac6224da945c743b7cee67e33b855cc1a14a9710531e1e3cb1dfe69fad67b9dfc61bd7eff43d00
SHA1 hash: ba3d590dd90591c358c980cefc6ffab5472a5943
MD5 hash: 2fa7450cd3760bbceae8c1d69ac6a483
humanhash: nevada-floor-artist-early
File name:2fa7450cd3760bbceae8c1d69ac6a483.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:413'258 bytes
First seen:2021-07-12 14:00:12 UTC
Last seen:2021-07-12 16:38:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger)
ssdeep 6144:8Mm4CCchQ4VHM/S5sDlYnnM6mcWaLpKfdpk1C3VhL:8Mw1VH6S5s5YnM6mNaNKFpHL
Threatray 6'629 similar samples on MalwareBazaar
TLSH T1A594ADA3D2969886FD25077184338D6E1953BF76BD70E02D261DB9793B733C2102BE1A
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence

File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT copy.doc
Verdict:
Malicious activity
Analysis date:
2021-07-12 12:19:53 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/1f010f4d-beb1-4ac1-9fbb-0788d126733d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/171134/
Detection(s):
SecuriteInfo.com.Dropped.Trojan.GenericKD.37223706.3471.18182.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/848fe611-c484-4a4c-b52c-2f4138b2b1d5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/814931
Signature
.NET source code contains very large array initializations
Antivirus detection for dropped file
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 447345 Sample: a6ZBmtLo83.exe Startdate: 12/07/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Antivirus detection for dropped file 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 6 other signatures 2->34 6 hlqaemm.exe 15 2->6         started        10 a6ZBmtLo83.exe 1 19 2->10         started        12 hlqaemm.exe 15 2->12         started        process3 file4 22 C:\Users\user\AppData\Local\Temp\zayyy.dll, PE32 6->22 dropped 36 Writes to foreign memory regions 6->36 38 Maps a DLL or memory area into another process 6->38 14 MSBuild.exe 15 8 6->14         started        24 C:\Users\user\AppData\Roaming\...\hlqaemm.exe, PE32 10->24 dropped 18 MSBuild.exe 4 10->18         started        40 Multi AV Scanner detection for dropped file 12->40 42 Machine Learning detection for dropped file 12->42 20 MSBuild.exe 4 12->20         started        signatures5 process6 dnsIp7 26 api.telegram.org 149.154.167.220, 443, 49740, 49741 TELEGRAMRU United Kingdom 14->26 44 Tries to steal Mail credentials (via file access) 14->44 46 Tries to harvest and steal ftp login credentials 14->46 48 Tries to harvest and steal browser information (history, passwords, etc) 14->48 50 Installs a global keyboard hook 14->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->54 56 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 18->56 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3d36c7ba3e0238d3fbd6198c65d02ab2376287a1617868a8e9f576e8c74c523/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-07-12 14:01:07 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpjwy65d4ary2p55mgmmmxicvmrxmkd2cylyncuot5lw5dduyurq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0852b15e744cdecc36dbb299b48d12fc2233919a0eafac19a02b5a7c21277b7c
AgentTesla
326267c4f5c3018d845a661a8fad196837d7245b6ed5629d22d43334b588c0ed
AgentTesla
34d51de5f6c433888504bd7b61cf58b92647599b80ba2aef103e58c4f6567e41
AgentTesla
b20b22803f7bbd0635b90f36886a89dd6be4622066f0bdbcecf1204d10b04870
AgentTesla
dbb9ba65aab3b8469769a5c442bc0f28b0ff6fe4a8f64bad2f15fee855575bcc
AgentTesla
ef5bbee3204de76c05424d5b000743e94acadff8a67a97d95ff3bdb3496b3190
AgentTesla
f6398abe67fd7faeccf89de7f810ee2767ee05f96a13821ba48f609aad5da75e
AgentTesla
+ 6'619 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/210712-hc7qvy1j4j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Unpacked files
SH256 hash:
1f3c6d032e87733a2bc2993d394e983eebe7d0002f99ab7f8122bea5bd8c35bd
MD5 hash:
dc243aea4a96c5be4622e25dae5aa014
SHA1 hash:
07ad1693b675b9b752d198bee9a1e58130fd0ca2
Link:
https://www.unpac.me/results/1205c7f6-b77f-4dff-8d67-febbb4d739dc/
SH256 hash:
bdc041564bde211552669b1bfcad983704868caf801f5759a2d4a6381695a4cf
MD5 hash:
d6379657a24027aae656c59e1494ae8d
SHA1 hash:
a60613a1b495494f58ce83d2ecbec43d24a4f579
Link:
https://www.unpac.me/results/1205c7f6-b77f-4dff-8d67-febbb4d739dc/
SH256 hash:
f1a8724765b1a74448101857aad81048ee14c45ed98841874cc96eef53ee239b
MD5 hash:
b4ac3928c26319040dd0daff2621f65b
SHA1 hash:
fed2c2f93f67c1858a7320a02f521f96cfc117d4
Link:
https://www.unpac.me/results/1205c7f6-b77f-4dff-8d67-febbb4d739dc/
SH256 hash:
b3d36c7ba3e0238d3fbd6198c65d02ab2376287a1617868a8e9f576e8c74c523
MD5 hash:
2fa7450cd3760bbceae8c1d69ac6a483
SHA1 hash:
ba3d590dd90591c358c980cefc6ffab5472a5943
Link:
https://www.unpac.me/results/1205c7f6-b77f-4dff-8d67-febbb4d739dc/
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/b3d36c7ba3e0238d3fbd6198c65d02ab2376287a1617868a8e9f576e8c74c523

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe b3d36c7ba3e0238d3fbd6198c65d02ab2376287a1617868a8e9f576e8c74c523

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1447696/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/171134/

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