MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1556eb2f391f2ad970c4d72213ec31a108249787f6467692f8660ffe2e4a65a4. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1556eb2f391f2ad970c4d72213ec31a108249787f6467692f8660ffe2e4a65a4
SHA3-384 hash: 1cf86147989bd8ac5c85296c0cc0bc9772f66dea3a6d8205548093c6f4869945fcf3b2669d0c6dd1dfe50cbf63b075f5
SHA1 hash: 652cb390530546111ed8d18c34bb7e732a664e17
MD5 hash: b8dc523baceaf610a864e03b2e04a9e8
humanhash: gee-cup-item-skylark
File name:payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:632'320 bytes
First seen:2022-02-17 05:21:37 UTC
Last seen:2022-02-21 09:06:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:9MUJasVif1YP+8xxTLCeZk8YAroiOShIK:eUQsEYWOZ9WA9p
Threatray 14'693 similar samples on MalwareBazaar
TLSH T148D4E06421F384B5CD6EDBFFF821D2086F74E52F9502F2F6098990B810AE7850B965B7
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
shwiVQxE.exe
Verdict:
Malicious activity
Analysis date:
2022-02-17 05:42:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5264fcfb-84e5-4756-9894-21b95bb91a98

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/242113/
Detection(s):
SecuriteInfo.com.Heur.Variadic.A.234.1.10064.6966.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/620ddb7ea2660f3bb9ed6780/reports/71faac04-62d0-4481-98cd-e80b052ccb93/overview
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.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941330
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 573808 Sample: payment.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 12 other signatures 2->53 7 payment.exe 6 2->7         started        11 NXLun.exe 5 2->11         started        13 NXLun.exe 4 2->13         started        process3 file4 31 C:\Users\user\AppData\Roaming\shwiVQxE.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmpCE91.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...\payment.exe.log, ASCII 7->35 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Injects a PE file into a foreign processes 7->61 15 payment.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 schtasks.exe 1 11->21         started        23 NXLun.exe 2 11->23         started        25 schtasks.exe 13->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...37XLun.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 C:\Users\user\...41XLun.exe:Zone.Identifier, ASCII 15->41 dropped 43 Modifies the hosts file 15->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->45 27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1556eb2f391f2ad970c4d72213ec31a108249787f6467692f8660ffe2e4a65a4/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 05:22:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 28 (82.14%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvlowlzzd4vns4ge24rbh3brueecjf4h6zdhnexymyh74lskmwsa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
014ce2f0d54ea868745ab09eb0ca0c1dda3fe4ee814706d05e7f414fef772d57
AgentTesla
0d7cdda52107bab9d54267030d7c068d65fb0dccbfef4afba7e19e7110937d67
AgentTesla
3ef817c83a4da6baffc58601a139132bd23e3b90002a1e19732e62085a53f098
AgentTesla
db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2
AgentTesla
e9ac2483e5d8c2b182d7f5059a1110b69c338242e19d153bc25499990ec62083
AgentTesla
eb40b54b58e29dd636f8e568eec58fea042b1fa19ccca32b7e9b7ad576339cb7
AgentTesla
f2f63f0ba60e3da875aee3486d3e0a938fe15de2f472c438f7bac289ac87f241
AgentTesla
+ 14'683 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220217-f2kg8aafdl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Unpacked files
SH256 hash:
b7bca68e8129f45803ea4e33cb0ac34ef80bd33dc3d72d27275df4d65905faec
MD5 hash:
4b9d1bbfbd28c4009a5a95bbda8d19b8
SHA1 hash:
d2ff754645fca67181f5b58104f0d1a4cb6ae0f8
Link:
https://www.unpac.me/results/08c20434-3099-41c8-bca8-ded6726f88f5/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/08c20434-3099-41c8-bca8-ded6726f88f5/
SH256 hash:
1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b
MD5 hash:
6000c65c92c57aacb254a0086b11c94f
SHA1 hash:
0445ffce0d85572af354edfe744a3762440f5c9b
Link:
https://www.unpac.me/results/08c20434-3099-41c8-bca8-ded6726f88f5/
Parent samples :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 hash:
1556eb2f391f2ad970c4d72213ec31a108249787f6467692f8660ffe2e4a65a4
MD5 hash:
b8dc523baceaf610a864e03b2e04a9e8
SHA1 hash:
652cb390530546111ed8d18c34bb7e732a664e17
Link:
https://www.unpac.me/results/08c20434-3099-41c8-bca8-ded6726f88f5/
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/1556eb2f391f2ad970c4d72213ec31a108249787f6467692f8660ffe2e4a65a4

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.

Malspam

AgentTesla

Executable exe 1556eb2f391f2ad970c4d72213ec31a108249787f6467692f8660ffe2e4a65a4

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242113/

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