MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad
SHA3-384 hash: 03feb0b56698cc7d8187513aba5236d3a58829ac4bb3525960ae90ed22506f514bc262148f556e8501040e352cf14229
SHA1 hash: da30b0c69350d60f5f665f3aa32d171006cf0c96
MD5 hash: 58a0a45f60dd11a9565dea4d92bcc663
humanhash: table-helium-oxygen-mockingbird
File name:58a0a45f60dd11a9565dea4d92bcc663.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:994'304 bytes
First seen:2020-12-07 19:23:37 UTC
Last seen:2020-12-07 20:38:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:7p+ST0sDd42gO7wHncovGOmHCcm4j+QGW10:FLT0Ad4NO7w8oeOWE/r
Threatray 1'718 similar samples on MalwareBazaar
TLSH E9259E359B986B39F43E9B7C89A4204467EEA753E317C99D3CF601CA1713F0289E153A
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
58a0a45f60dd11a9565dea4d92bcc663.exe
Verdict:
Suspicious activity
Analysis date:
2020-12-07 19:34:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9967b8a3-9737-47de-bfb7-72330f146c3c

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/107092/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42726.23338.22277.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Verdict:
UNKNOWN
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/557298
Signature
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the hosts 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327744 Sample: UOiHAvNSNR.exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 6 other signatures 2->67 6 UOiHAvNSNR.exe 3 2->6         started        10 kprUEGC.exe 3 2->10         started        12 kprUEGC.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\UOiHAvNSNR.exe.log, ASCII 6->25 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->71 73 Injects a PE file into a foreign processes 6->73 14 UOiHAvNSNR.exe 17 5 6->14         started        19 UOiHAvNSNR.exe 6->19         started        75 Machine Learning detection for dropped file 10->75 21 kprUEGC.exe 14 2 10->21         started        23 kprUEGC.exe 12->23         started        signatures5 process6 dnsIp7 33 smtp.kutrsan.com 14->33 41 4 other IPs or domains 14->41 27 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->27 dropped 29 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->29 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->47 49 Tries to steal Mail credentials (via file access) 14->49 51 Modifies the hosts file 14->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->53 35 smtp.kutrsan.com 21->35 43 2 other IPs or domains 21->43 37 208.91.199.223, 49725, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->37 39 smtp.kutrsan.com 23->39 45 3 other IPs or domains 23->45 31 C:\Windows\System32\drivers\etc\hosts, ASCII 23->31 dropped 55 Tries to harvest and steal ftp login credentials 23->55 57 Tries to harvest and steal browser information (history, passwords, etc) 23->57 59 Installs a global keyboard hook 23->59 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-07 19:24:06 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwnmrvfa2exfirtqaled6m6pmpybcwfhfh7scq5wrjpmik4fgwwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c316b6e9b1bb80efe9a27b513c7c091cd047d5bf437b88db13f8e45a40e89d6
AgentTesla
1e43a9cb578534543e39c04879feed5a1d9af3f58ab4c60f306bbedcb2be1470
AgentTesla
49c6670d4f39dc6dd945ae5bc5a1ab86b8af9e6e20efcf7d46886765fbe32a7d
AgentTesla
53199d2d6d3d21f6a1549eb84faa73b98e68c3c0c4ca31889852a10277125e3a
AgentTesla
72ad22e7df09e217184e472645352c8bfe28a44afe5fda4659f4082268d33da3
AgentTesla
b3169da25d6a50990a664203361eac74ab36b8f9412e46fd89e19f450993e307
AgentTesla
d913425529262d672074b808f85123bc8707c0ea5b772d36616cc880bff9df4a
AgentTesla
e5287a458eafaf621201ab6b5c6e966ee2b0dc02fa2b50b91bf537bbe023e74c
AgentTesla
ebfd6948ce4334cd5352cee7dd50f2144eb4aea8e5866d8383c4b92e9ba83394
AgentTesla
f0559a0fd007401e0c921c215d318e3232abd6b83e4b0a144977f7e0fcd52b49
AgentTesla
+ 1'708 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201207-ar42z5mfa2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad
MD5 hash:
58a0a45f60dd11a9565dea4d92bcc663
SHA1 hash:
da30b0c69350d60f5f665f3aa32d171006cf0c96
Link:
https://www.unpac.me/results/e9c332a9-6e3c-484d-8e39-f2e8ad277bf5/
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/e9c332a9-6e3c-484d-8e39-f2e8ad277bf5/
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/559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad

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: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.

Web download

AgentTesla

Executable exe 559ac8d4a0d12e54467002c83f33cf63f01158a729ff2143b68a5ec42b8535ad

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/895714/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107092/

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