MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af1156270206dd817ce5f7f49e37c6733c5522ac273d53b1611a4130b36c252b. 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 3 File information Comments
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SHA256 hash: af1156270206dd817ce5f7f49e37c6733c5522ac273d53b1611a4130b36c252b
SHA3-384 hash: c0fa89d0021a13ccb196420e13a4cd34caf9ffe5e0b3b7015a5d10326ef85a49f4d27164d3b41750acb63aad6781a5f9
SHA1 hash: f0e1da0128dcb2fa52cd330a1f84cb41242d7ec2
MD5 hash: 069f0e34c6a13996ec5294e6d5af5b73
humanhash: nebraska-massachusetts-carbon-tennessee
File name:Tender notification_24.11.20.21.doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:450'560 bytes
First seen:2021-11-24 10:27:18 UTC
Last seen:2021-11-26 12:52:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ikNCIfEtBLXzKIyN9Nz4xBDEXVqJiYAMYY/jatPHtWfXUH2:rQCi9DKIyN9Nz268nfIvE
Threatray 12'977 similar samples on MalwareBazaar
TLSH T136A401313294639BCDB60FF91C6026C963B135107E05D79C4DC9A2EF6E26F264B12BA7
Reporter TeamDreier
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Tender notification_24.11.20.21.doc.exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 10:42:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c140734-4d64-4011-bbe0-8e2a1fa0c731

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Inject4.20507.6611.32299.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619e13bcf36138de3f39785b/reports/e4587f58-4217-4c82-95da-ec5f8db602b9/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7c9c56fe-60c3-4096-84ab-60e9c26fbed9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/895276
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 527754 Sample: Tender notification_24.11.2... Startdate: 24/11/2021 Architecture: WINDOWS Score: 100 34 smtp.yandex.ru 2->34 36 smtp.yandex.com 2->36 42 Found malware configuration 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 11 other signatures 2->48 8 Tender notification_24.11.20.21.doc.exe 7 2->8         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\TjxIUjePRN.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmp20D8.tmp, XML 8->30 dropped 32 Tender notificatio...1.20.21.doc.exe.log, ASCII 8->32 dropped 50 Adds a directory exclusion to Windows Defender 8->50 12 RegSvcs.exe 8->12         started        16 powershell.exe 24 8->16         started        18 powershell.exe 25 8->18         started        20 schtasks.exe 8->20         started        signatures6 process7 dnsIp8 38 smtp.yandex.ru 12->38 40 smtp.yandex.com 12->40 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->54 56 Tries to steal Mail credentials (via file / registry access) 12->56 58 3 other signatures 12->58 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/af1156270206dd817ce5f7f49e37c6733c5522ac273d53b1611a4130b36c252b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-24 10:28:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4ivmjyca3oyc7hf672j4n6gom6fkivme46vhmlbdjatbm3meuvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1d3d43c49f1df156380756946a950edc5f608560fd197fad73e3c160f5c5fb7b
AgentTesla
2360d00fabefc2e52aedea07c1298902b757c48d62e4a6177408fb17c806ce93
AgentTesla
269351adab212ce5e190c8c45d694f497f8f62ff0d8a306fcc8f72e6578e3d16
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35a55434fdf0c96cbe37b72ab06e49865b86df4f826366abfb28e81d782d3c5e
AgentTesla
8664bd0c09f992c53b0db3db2b6d5b5a14802fc7dd98d2e820d2df78fd26764e
AgentTesla
9751c9b85d1fa0d9663c4d7e2e00ce838251ef166901495787724878958bdcc1
AgentTesla
9a584e401113a22fcaa9c2b2265944fbcb38b53764e7c0c827003d0cfccc63d0
AgentTesla
beb8e474611b28c6750fa0d04a244d5898d7f3a724150351bcfb31dce4921a7f
AgentTesla
e4c04b184aebbb0c4cd7533d2432c5a3699ea15e3fdebcaeec49edfea97cfcf1
AgentTesla
+ 12'967 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211124-mhntvscden/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
4e0ec8204fc4fb719d099cde796da3f1085ed40106a3c1f2ab55640a8a9f4ffa
MD5 hash:
b95fdf3e56d6c4a0880592a23db17c15
SHA1 hash:
756e4e240054d53b24b197ede70e8436b20c122c
Link:
https://www.unpac.me/results/cb72e499-664b-49eb-99c0-f09a35f43250/
SH256 hash:
b688ff1e56e6f78a82a80ed497c52d25eb833797d0a9bd604e76f73e36481a5d
MD5 hash:
873511dade94e448d826fa40c6772709
SHA1 hash:
7133217d69d18dfaa95ab7b41eeae550528ae5d2
Link:
https://www.unpac.me/results/cb72e499-664b-49eb-99c0-f09a35f43250/
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
Link:
https://www.unpac.me/results/cb72e499-664b-49eb-99c0-f09a35f43250/
SH256 hash:
af1156270206dd817ce5f7f49e37c6733c5522ac273d53b1611a4130b36c252b
MD5 hash:
069f0e34c6a13996ec5294e6d5af5b73
SHA1 hash:
f0e1da0128dcb2fa52cd330a1f84cb41242d7ec2
Link:
https://www.unpac.me/results/cb72e499-664b-49eb-99c0-f09a35f43250/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/af1156270206/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/af1156270206dd817ce5f7f49e37c6733c5522ac273d53b1611a4130b36c252b

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

File information

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

Malspam

AgentTesla

Executable exe af1156270206dd817ce5f7f49e37c6733c5522ac273d53b1611a4130b36c252b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/208911/

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