MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61e5a9d4e73fd837d919eedcdf4afcca159875f4ec7b0a1a57c873c54c442c9c. 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
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SHA256 hash: 61e5a9d4e73fd837d919eedcdf4afcca159875f4ec7b0a1a57c873c54c442c9c
SHA3-384 hash: f0160b58a29f338be821bcfbd2b0ff3f60946d27de88908cd5be02ccb1e52d25e4ce3214a0c07a9c6b7665a3ec4c8ee0
SHA1 hash: d72754476c6339fd6469b7a1a6e6ca3af718673b
MD5 hash: 5c590fcb32aedec16532aa857eec28b5
humanhash: solar-fruit-minnesota-monkey
File name:RFQ REF R2100131410.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:652'800 bytes
First seen:2021-10-11 12:52:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/I+asIz+XShvzObsgg1S9p0HEjtR3hwuOUY6yjKMlfp/WmMQCfDZEJ0:7qCeSj0HEjTCuOgy+Ip/F2De
Threatray 11'353 similar samples on MalwareBazaar
TLSH T110D4CF303AFA511AF273EF791EE0B5959E6EB7732612D45D2451038B0623E81DEC293E
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ REF R2100131410.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 13:04:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/194b2f76-efba-4696-9733-b308789c78f5

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/196609/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed
Link:
https://www.filescan.io/uploads/616433761c2d58ba7401c737/reports/523bb8f3-888d-404b-8e6a-62db8b72da85/overview
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e06367eb-2ff2-4cb1-aa13-e753dd3b3282
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/867935
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
Moves itself to temp directory
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: Suspicious Double Extension
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500364 Sample: RFQ REF  R2100131410.pdf.exe Startdate: 11/10/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 10 other signatures 2->47 6 RFQ REF  R2100131410.pdf.exe 3 2->6         started        10 YYtJku.exe 3 2->10         started        12 YYtJku.exe 2 2->12         started        process3 file4 25 C:\Users\...\RFQ REF  R2100131410.pdf.exe.log, ASCII 6->25 dropped 49 Injects a PE file into a foreign processes 6->49 14 RFQ REF  R2100131410.pdf.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->55 19 YYtJku.exe 2 10->19         started        21 YYtJku.exe 10->21         started        23 YYtJku.exe 2 12->23         started        signatures5 process6 dnsIp7 31 smtp.vivaldi.net 31.209.137.12, 49859, 587 HRINGDU-ASIS Iceland 14->31 27 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->27 dropped 29 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Moves itself to temp directory 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 3 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/61e5a9d4e73fd837d919eedcdf4afcca159875f4ec7b0a1a57c873c54c442c9c/
Threat name:
ByteCode-MSIL.Trojan.DarkStealerLoader
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 12:52:07 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mhs2tvhhh7mdpwiz53on6sx4zikzq5pu5r5qugsxzbz4ktcefsoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20c4c25a7ca808bcf92858f5fa653a7d50cd2f14d125bddcf8420641d95b8254
AgentTesla
20f09a52fe64148515141a312791701a1251b91c0afd2b8ff9de17e5a7485684
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43f6edcd253f873d92084360b73166040790c8bf7ca9ea125a736b67cb5f3d58
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61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
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74c2f8176fadf84bb04083901d52033b0975245676b45cd8607d80bebc91e570
AgentTesla
7df19e1037edd7ddabab739d820866552327a492c2ae00c72ecb1201c72bd325
AgentTesla
b045b7b993b005e1930ca50a9eb65df8b62ca29d1dfdbbb28ca6621384172908
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c21d2f1d2c5dad844ee2c789b2a424f0808e9eaf4edbf4319dca34531aacbe2c
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fad59266b34827f994eba36a030a5abd4c552c3132801afec5fe74c787e10044
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fb263756d4181bd3dbf028d68ee1c342c1f6699a02727d49b1bfd09a663b5804
AgentTesla
+ 11'343 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/211011-p3284ahbh2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
Link:
https://www.unpac.me/results/33b2a16d-ac3c-41f4-bd4f-5ba652ace188/
SH256 hash:
9424213a1d55823bfee96f1fe5ff022d0eb867a497bae5597389791a256bf977
MD5 hash:
208d7e6582752a7cef6440c72974081a
SHA1 hash:
c1611c45c95b7365d2c484aa6838e263c0c141b3
Link:
https://www.unpac.me/results/33b2a16d-ac3c-41f4-bd4f-5ba652ace188/
SH256 hash:
e9bc93f9f9828ad285d8d04724c0d1dd0bbdd3058ac1485f45b2a7a83aec8f53
MD5 hash:
1aea55d8c106a98416f0dbfa0ca5c7eb
SHA1 hash:
2d000d311c683f892a9d98d1636406e116416c75
Link:
https://www.unpac.me/results/33b2a16d-ac3c-41f4-bd4f-5ba652ace188/
SH256 hash:
61e5a9d4e73fd837d919eedcdf4afcca159875f4ec7b0a1a57c873c54c442c9c
MD5 hash:
5c590fcb32aedec16532aa857eec28b5
SHA1 hash:
d72754476c6339fd6469b7a1a6e6ca3af718673b
Link:
https://www.unpac.me/results/33b2a16d-ac3c-41f4-bd4f-5ba652ace188/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/61e5a9d4e73f/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/61e5a9d4e73fd837d919eedcdf4afcca159875f4ec7b0a1a57c873c54c442c9c

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

7z 3b84acfb0076055b0be8086d2f256ea7bcebc0ce0231b003b3ac263ee59303f0

AgentTesla

Executable exe 61e5a9d4e73fd837d919eedcdf4afcca159875f4ec7b0a1a57c873c54c442c9c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3b84acfb0076055b0be8086d2f256ea7bcebc0ce0231b003b3ac263ee59303f0
Cape
Cape
https://www.capesandbox.com/analysis/196609/

Comments