MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436
SHA3-384 hash: 749b9130756fb6ba720bcb444b3581f6f2753a25a8bd63f8797c845c83a7e09b52eaa146a08b710cca34baa5833e9e2c
SHA1 hash: a58a3947795cb9bbf86305bbc1d526cfb7629c05
MD5 hash: f29872810ed494be553c19d06d1dc994
humanhash: east-mango-johnny-fourteen
File name:TT Payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:628'736 bytes
First seen:2021-09-23 20:30:15 UTC
Last seen:2021-09-23 20:52:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:CufkaEGg85wUUzzkAb1PYYKDh3XkrG045e452iWoXcch35pjKmtiK5o:Hb5LU/kAbtYYoHkj45pWyck32+Fo
Threatray 10'212 similar samples on MalwareBazaar
TLSH T1FBD41204A997D269C7BF2FBAA4B5524007F150093D62EF539F42729F5E733CA0A41EA3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT Payment.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 20:32:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/81657b73-1e5a-4fb5-b0c6-1f154d7d9bf1

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/190862/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.26929.UNOFFICIAL
Create hunting rule

Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4f81225-9bc9-49f1-b0db-1ab7415708d9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856889
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 489320 Sample: TT Payment.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 11 other signatures 2->47 6 TT Payment.exe 3 2->6         started        9 DnDcR.exe 3 2->9         started        12 DnDcR.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\TT Payment.exe.log, ASCII 6->23 dropped 14 TT Payment.exe 2 5 6->14         started        49 Multi AV Scanner detection for dropped file 9->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->51 53 Machine Learning detection for dropped file 9->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->55 19 DnDcR.exe 2 9->19         started        57 Injects a PE file into a foreign processes 12->57 21 DnDcR.exe 2 12->21         started        signatures5 process6 dnsIp7 31 mail.atlantic-consarves.com 63.250.38.200, 49831, 587 NAMECHEAP-NETUS United States 14->31 25 C:\Users\user\AppData\Roaming\...\DnDcR.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 29 C:\Users\user\...\DnDcR.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 4 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-23 14:51:47 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hku633zk6nftwqzosnfed3ytrn3dzqr5zogmgwtttt5vsa6b6q3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
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b18a8dc6d225d963259d1b3547450946822cf8a6e7b62a7cff5705a844cdbcf6
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c345fbabcb3e55e64341e860bb2916ba52ddea44257d8fa5b79f2ae7062734c8
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d08222dfb92c317e63590fbe016ab4cd1f462b1aa49ab5760ad6f9f0eaa22f32
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fbadf252eb04bc791373500dd2b28c45ef60bf5f34c711c4bff61fe5230c056c
AgentTesla
+ 10'202 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210923-zapseafcc7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
53609245278107f26e31c973eb6c052e68dd287fe686f9c4520cc364f3ca65c4
MD5 hash:
026c7ec67bc5ed626618d80431d26e31
SHA1 hash:
d2e2490038ca11cd5b14e3ef04b4c4a29f45a2c8
Link:
https://www.unpac.me/results/0f6e52b9-58ae-4634-a955-eb0a5f5ae045/
SH256 hash:
233dae64ae2b72eb6b129d9c3b634490f3a8731a119ce7bfa62bf3810e824fe8
MD5 hash:
ae5165e4e899f1d1d437961bd86137ba
SHA1 hash:
cce7726b9bb7cd90cc088f30871ff0a3d6d7571f
Link:
https://www.unpac.me/results/0f6e52b9-58ae-4634-a955-eb0a5f5ae045/
SH256 hash:
cac8b347040a359c02ae5e658d3d76230c7dd7eb33505605ed0b9bc49ff268c7
MD5 hash:
71a894ff252c767b80d65ab1e54fda2b
SHA1 hash:
bcc4ff628585ca28b8b0f2c30e63049b910d4d49
Link:
https://www.unpac.me/results/0f6e52b9-58ae-4634-a955-eb0a5f5ae045/
SH256 hash:
5a1544b1722cd4f3f35c268e0cc52be81bd4892a168d9658e3bda8692496d2f1
MD5 hash:
632a35f44d31fccea98affb2629c781d
SHA1 hash:
9e18aeec6fb440da6b9ae71765974b920189655a
Link:
https://www.unpac.me/results/0f6e52b9-58ae-4634-a955-eb0a5f5ae045/
SH256 hash:
3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436
MD5 hash:
f29872810ed494be553c19d06d1dc994
SHA1 hash:
a58a3947795cb9bbf86305bbc1d526cfb7629c05
Link:
https://www.unpac.me/results/0f6e52b9-58ae-4634-a955-eb0a5f5ae045/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3aa9edef2af3/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/3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Malspam

AgentTesla

Executable exe 3aa9edef2af34b3b432e934a41ef138b763cc23dcb8cc35a739cfb5903c1f436

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/190862/

Comments