MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c2c22074d980a504b58800bc4134f10664b00bd118571c8499e53789b952159. 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: 1c2c22074d980a504b58800bc4134f10664b00bd118571c8499e53789b952159
SHA3-384 hash: b746043fb8ba8a1b5c3619b2b50be9e9855d232873704f94d2deafd826625d057f189dea36908625ad087ae3cb97211c
SHA1 hash: 6993607fab5ac8971c0ddc08867f4e4d93136a2c
MD5 hash: 0d2637cb8d991ba05dd78136d2e01321
humanhash: nevada-bacon-rugby-mike
File name:Yvvtz1.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:657'920 bytes
First seen:2020-11-30 14:23:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:FmxEbdEueBlgKAVx1aj6z2IkDX92G01xx5hOVEkUr1IW:FmuWPBaO6z2vDt301xkX
Threatray 1'563 similar samples on MalwareBazaar
TLSH 2FE49C6E763786CAEC51C5342F15C2781AA76DC0E899C62EB5C9BF2FB4F119060813BD
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106052/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop15.61983.18676.6535.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/550932
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
May check the online IP address of the machine
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 324583 Sample: Yvvtz1.exe Startdate: 30/11/2020 Architecture: WINDOWS Score: 100 37 smtp.poongln.com 2->37 39 us2.smtp.mailhostbox.com 2->39 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 6 other signatures 2->55 7 Yvvtz1.exe 16 6 2->7         started        11 vlc.exe 14 3 2->11         started        13 vlc.exe 2 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->31 dropped 33 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\Yvvtz1.exe.log, ASCII 7->35 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 Injects a PE file into a foreign processes 7->61 15 Yvvtz1.exe 2 7->15         started        19 Yvvtz1.exe 7->19         started        21 Yvvtz1.exe 7->21         started        23 Yvvtz1.exe 7->23         started        25 vlc.exe 2 11->25         started        27 vlc.exe 11->27         started        29 vlc.exe 11->29         started        signatures6 process7 dnsIp8 41 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.252.4, 443, 49757 AMAZON-AESUS United States 15->41 43 nagano-19599.herokussl.com 15->43 45 api.ipify.org 15->45 47 Moves itself to temp directory 15->47 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c2c22074d980a504b58800bc4134f10664b00bd118571c8499e53789b952159/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-11-26 07:05:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dqwceb2ntaffas2yqaf4ie2pcbtewaf5cgcxdscjtzjxrg4vefmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2664162d0341d8e5cf1cf3a290b77406d87111e3c9ff3fcf3a4f0836d15d3afe
AgentTesla
45f36d853c48255cd05c836428f3c708bb9e9ee407d5b6f17a8815ffbd0bd186
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67377c6c2259974077c2b7476f77823862ed6d5c6ce95c579e101b3d0a81b71e
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6a9e4f5dfdeda56d0151d01880899d9241815a35892ed87b8b65d44fecc9ba2f
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6df6d6a87c5379996b0b9594577167a3729e0eeea1f94c6e5ac1b78689d08292
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931b74dae99d57d93b21fb72c0da9184b83e04f95e024e9a7990a6c57a73ac7e
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9fd1365171b6855e5859a522a4642ae8c558e26ac2792a11b19a6a0ed8361c7b
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acef7155f56a1434770c602a92ebf4945474ad85e9382df19ff5d3ffee461423
AgentTesla
ec6609022ecc725ca1b77d8e968d79cda6beedc90c3480c7fc0ca8682a40269c
AgentTesla
ecf592d2aed1d17b4c75e72a40edeb9b4396c8c9181cee7519ebe63bb7391870
AgentTesla
+ 1'553 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/201130-qh4zfh8la6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
07501e08e6f9eeb569c57aa95e1c523cdd77a6207e072fca8b5866828fd3f316
MD5 hash:
f97d3fbce4706c4bd71733213d6ed61d
SHA1 hash:
e917233b35adb6cb7f4a578caf1dc0f22874b1b5
Link:
https://www.unpac.me/results/27a647fc-722e-47e4-b585-6e10fd0affcc/
SH256 hash:
1c2c22074d980a504b58800bc4134f10664b00bd118571c8499e53789b952159
MD5 hash:
0d2637cb8d991ba05dd78136d2e01321
SHA1 hash:
6993607fab5ac8971c0ddc08867f4e4d93136a2c
Link:
https://www.unpac.me/results/27a647fc-722e-47e4-b585-6e10fd0affcc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1c2c22074d980a504b58800bc4134f10664b00bd118571c8499e53789b952159

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.

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/856044/
Cape
Cape
https://www.capesandbox.com/analysis/106052/

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