MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7
SHA3-384 hash: 0c06459ebe04943a8ee10124ae7806ec941f216f83f2919fae2d5c6af9ffe46208987d72a713acba9a9370173024705b
SHA1 hash: 1b00dfb6e2d02a5a3cdf67ce3c252d888885631b
MD5 hash: 44e11e27faf154b94a9a9d153f664f8a
humanhash: football-april-spaghetti-mirror
File name:Payments_Confirmation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:688'640 bytes
First seen:2021-03-05 00:06:45 UTC
Last seen:2021-03-05 13:34:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:G8teodM4fNDVbUs2yx2KN+zh28RG3hKntTVplCVR6:cdhDRAhAxpc
Threatray 3'009 similar samples on MalwareBazaar
TLSH ACE4B4BB10FE20EFE0B27B752A96565D9F417F316617981E106039E76233F61AB83C24
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payments_Confirmation.exe
Verdict:
Malicious activity
Analysis date:
2021-03-05 00:07:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5c1531d4-3c4f-40ff-85b4-c3789104ea7d

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/122377/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.45831401.7801.11868.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/629330
Signature
.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
Modifies the hosts file
Multi AV Scanner detection for domain / URL
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 363637 Sample: Payments_Confirmation.exe Startdate: 05/03/2021 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 10 other signatures 2->56 7 Payments_Confirmation.exe 6 2->7         started        11 lEmohP.exe 2 2->11         started        13 lEmohP.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\ZnvPHGD.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp2CA1.tmp, XML 7->34 dropped 36 C:\Users\...\Payments_Confirmation.exe.log, ASCII 7->36 dropped 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 transgear.in 204.11.58.28, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 40 mail.transgear.in 15->40 28 C:\Users\user\AppData\Roaming\...\lEmohP.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7/
Threat name:
ByteCode-MSIL.Trojan.Bulz
Create hunting rule
Status:
Malicious
First seen:
2021-03-04 09:40:50 UTC
AV detection:
18 of 48 (37.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tiq2daudipom6bwyvc7gk4z54ribgvwmy4vza5or7skzp5v5h7lq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
181929c58e5ce4833a2847c9ff077dd87e8c0128793217d7e690311087ecc80a
AgentTesla
27dcd9778b97a02454b9d43e22c188cbc7028367b311496b463a6f7d773e9f6f
AgentTesla
569d9358801eb518b152cb73009131508a3f14b136b0eb80025ccf438865a440
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637c0976355242b7558217bdbd1633f865293d3c1868f4d0abeb153464044d91
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72da1e5fdfc57c07501ab49085450aac225737f4eafd1a9a2a2d2ce46f615b19
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98245891a284abcccb56bb8ccd774fbcde277259432b07294d7e3e7b864c30c1
AgentTesla
a1071d7b923717b0ef2dbc6fa2549510f1a4921273828037753c27a77b2abfbe
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b9c82068f2880f34b3bf0dfb60d5c14c51d9317845cc58cb181a1e2639a960c4
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dca80db9c7ade94a508600fcc3982e3f8ff292d464cf3041bae8cc1600f715a2
AgentTesla
e769369f1fd04a2fdb3976c69cbaaefee66cee1f54f523d7eab4712ce764f73f
AgentTesla
+ 2'999 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/210305-p4ahyrwnjj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b3da8d6f3ca60285e94f3bbadb97f0f55c59f04e1c54710912bcea5d9ae6ae7c
MD5 hash:
1576075bc587e6838a6bcc25469fa2db
SHA1 hash:
95d5a68e723d0cd6dded95cac8918609a6675cda
Link:
https://www.unpac.me/results/7fbdc2d9-1a92-4f28-898e-7bb03cb145ff/
SH256 hash:
a9c1fc65afb8a5af7af4f2f7825f55e9cc5d3f1ecf19e2155eca3cc7057ee677
MD5 hash:
422e369027b127adc789bb9893044aaf
SHA1 hash:
35a1dccf0522bac4db6872aa3657a5bc83c55efe
Link:
https://www.unpac.me/results/7fbdc2d9-1a92-4f28-898e-7bb03cb145ff/
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
Link:
https://www.unpac.me/results/7fbdc2d9-1a92-4f28-898e-7bb03cb145ff/
SH256 hash:
9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7
MD5 hash:
44e11e27faf154b94a9a9d153f664f8a
SHA1 hash:
1b00dfb6e2d02a5a3cdf67ce3c252d888885631b
Link:
https://www.unpac.me/results/7fbdc2d9-1a92-4f28-898e-7bb03cb145ff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

7z 2c829881e4c3cf755834e6a3069e18c5f9c50809c98d788d2ec84f086480e64e

AgentTesla

Executable exe 9a21a1828343dccf06d8a8be65733de4501356ccc72b9075d1fc9597f6bd3fd7

(this sample)

  
Dropped by
MD5 7cb70c40a77abd46b49c1c312c5be41b
  
Dropped by
SHA256 2c829881e4c3cf755834e6a3069e18c5f9c50809c98d788d2ec84f086480e64e
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/122377/

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