MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91d6b1ee61fc676affdcead674c1d17c2d62f7aacc1a757e4071af6134fc2847. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91d6b1ee61fc676affdcead674c1d17c2d62f7aacc1a757e4071af6134fc2847
SHA3-384 hash: 563a70fcb45ee72c9135b70e4dc962bdcfcf02bb50bc4182cdbdd576a78742256318aca1aa9bb5e9aa39f0ee247f4b87
SHA1 hash: 7760a52a1108ce6020d8c2ffa5f3b6029ce5dbbf
MD5 hash: 27ebeeedb1cc6f78d7a989d4c2f2e4d3
humanhash: mexico-april-south-hamper
File name:27ebeeedb1cc6f78d7a989d4c2f2e4d3.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:702'976 bytes
First seen:2021-03-04 17:04:17 UTC
Last seen:2021-03-04 18:35:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:gDcxs0dS5AxuDQoAZi970eJic0Q8FtjlPtfGcP2sr/U441lw8LK2C0:gDswq2QRZIJLD8FtjlPteJqsQO
Threatray 3'009 similar samples on MalwareBazaar
TLSH 47E4CF313AEC5A19F177AF745AF0B16093FEF253A715C24E7D91028C4A31EC2DAD12A6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.mail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
27ebeeedb1cc6f78d7a989d4c2f2e4d3.exe
Verdict:
Malicious activity
Analysis date:
2021-03-04 17:04:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e4f733ba-b069-4b60-8891-f250bb67f752

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/122318/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36435310.17432.3360.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/628917
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
May check the online IP address of the machine
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: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 363430 Sample: pB5deM6Hti.exe Startdate: 04/03/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 12 other signatures 2->55 7 pB5deM6Hti.exe 7 2->7         started        10 intel.exe 2 2->10         started        12 intel.exe 1 2->12         started        process3 file4 27 C:\Users\user\AppData\...\ZzVCickJeuz.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp6DC9.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\pB5deM6Hti.exe.log, ASCII 7->31 dropped 14 MSBuild.exe 17 8 7->14         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        process5 dnsIp6 35 smtp.mail.com 74.208.5.15, 49753, 49755, 587 ONEANDONE-ASBrauerstrasse48DE United States 14->35 37 elb097307-934924932.us-east-1.elb.amazonaws.com 54.221.253.252, 443, 49752 AMAZON-AESUS United States 14->37 39 2 other IPs or domains 14->39 33 C:\Users\user\AppData\Roaming\...\intel.exe, PE32 14->33 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->43 45 Tries to steal Mail credentials (via file access) 14->45 47 5 other signatures 14->47 25 conhost.exe 19->25         started        file7 signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91d6b1ee61fc676affdcead674c1d17c2d62f7aacc1a757e4071af6134fc2847/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-03-03 01:55:40 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=shlld3tb7rtwv7645llhjqorpqwwf55kzqnhk7saogxwcnh4fbdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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39b750cd8b016187c870716b296b59a86281bef52d89916b156b04be5e996059
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a09cc41fc5c688ee8d659a26c7a50d422513b8fc6a1636ae091a1572855a5041
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b2b6eff8a6c60704b212b98e6eb03be8bd26e1dc3bd8b6f28774bd6a52badb6d
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e1908efc83ed60061dada25d971c8c3d453fc95944be1f7b7f74eab6b7b8a1e4
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e8d51997565e36847aed9b406cb8e7700136b2e6c342709f66fe8fb8d5540c3a
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e99bae3896aa527b7e77c3ecda493364d913cfa2ddf1ef0b1a072d9f4289764f
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fea094579bad080c9c953a57857621e16714a846460c276c35ef07bbb3d3e4c9
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/210304-mgtwfmq576/
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/403c1046-4eb4-4d3b-a740-6c061a8d8904/
SH256 hash:
91d6b1ee61fc676affdcead674c1d17c2d62f7aacc1a757e4071af6134fc2847
MD5 hash:
27ebeeedb1cc6f78d7a989d4c2f2e4d3
SHA1 hash:
7760a52a1108ce6020d8c2ffa5f3b6029ce5dbbf
Link:
https://www.unpac.me/results/403c1046-4eb4-4d3b-a740-6c061a8d8904/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91d6b1ee61fc676affdcead674c1d17c2d62f7aacc1a757e4071af6134fc2847

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Cape
Cape
https://www.capesandbox.com/analysis/122318/

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