MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 446f47d58cc074c64e9396c376a7a7cd15a766a3793bed83107363ec0e2f5372. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 446f47d58cc074c64e9396c376a7a7cd15a766a3793bed83107363ec0e2f5372
SHA3-384 hash: 83368a0ff2513c97eec30d54b2f57d261443269078b222b434a5ffef583cb63afd45ddcb1fb76a49f42bdb34f5574037
SHA1 hash: a628bedc46ffc0a374a775f79adfb6286d66a34d
MD5 hash: 0508b09b240a70f2be2629025538e57f
humanhash: five-diet-hawaii-vermont
File name:TT copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:879'616 bytes
First seen:2021-09-03 06:20:27 UTC
Last seen:2021-09-05 10:19:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:f3zHd0qgDNcoU5mEVSdabX1x5k0Jxk6NRsaE6qwX1R4YGplM6WEMmEpJ9w0zE5KP:LdSDNqbX1x5k0PmaE6olpa0En
Threatray 9'870 similar samples on MalwareBazaar
TLSH T1C215E0147780FA4EC17F4F7A48911510ABF4E6A6470BFB877CC226ED49CB36E4A17226
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT copy.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 06:21:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/123ea059-303d-4e40-a8b6-a9797f672144

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/185023/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.96.13955.741.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/33ae32e2-d12b-448e-9bb6-a448c24e89dc
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/844549
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 476980 Sample: TT copy.exe Startdate: 03/09/2021 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->56 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 9 other signatures 2->62 7 TT copy.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 40 C:\Users\user\AppData\...\iINdGwJLKzCf.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmpCDE2.tmp, XML 7->42 dropped 44 C:\Users\user\AppData\...\TT copy.exe.log, ASCII 7->44 dropped 64 Injects a PE file into a foreign processes 7->64 15 TT copy.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 TT copy.exe 7->22         started        66 Multi AV Scanner detection for dropped file 11->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->68 70 Machine Learning detection for dropped file 11->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->72 24 kprUEGC.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        28 kprUEGC.exe 11->28         started        signatures5 process6 dnsIp7 46 160.153.63.160 AS-26496-GO-DADDY-COM-LLCUS United States 15->46 34 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->34 dropped 36 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->36 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 54 3 other signatures 15->54 30 conhost.exe 20->30         started        38 C:\Windows\System32\drivers\etc\hosts, ASCII 24->38 dropped 32 conhost.exe 26->32         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/446f47d58cc074c64e9396c376a7a7cd15a766a3793bed83107363ec0e2f5372/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2021-09-03 04:29:03 UTC
AV detection:
8 of 43 (18.60%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=irxupvmmyb2mmtuts3bxnj5hzuk2ozvdpe563ayqonr6ydrpknza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0fa77ee6af812f5513bf0ae73a02143a4ed3a037e884aeccc57576f460a9ea57
AgentTesla
1218c9a68af2c211a461f2b61e05e6fd0a6486a2d38736084b9576cda3f2b70c
AgentTesla
12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b
AgentTesla
19244f9b5502b8e27cb3a4918e1374ea8ab86cd63543a4946253ea35f1a3c93a
AgentTesla
213d438ca097826c2ef69d2fa9210cc760825f4be66460ab90bd31452e47c79a
AgentTesla
3be787bec6c661048c534c126761c2be937e70cb5ce8f1922cca5f4f22106b54
AgentTesla
528fc6d3398f8379da836b5a3fa85da6dfd8aec284ce12a04abfa32d6d78da14
AgentTesla
a95eb5ec5e4dbe107a9c01e7e5788f1a2074021505be442ef98f16a2c27f8af7
AgentTesla
+ 9'860 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/210903-g4dccsceg4/
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
96968ef9858488bf81c819953c11115c19656459dd9ce9f7754e42a3f23195d5
MD5 hash:
27459f3bae3fe5988ee34a2595c9373b
SHA1 hash:
c01ba566a84d38fcdcb983f2c6cbadc662a1da10
Link:
https://www.unpac.me/results/77bc9c95-4bf3-4955-8029-6095c6a73f92/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/77bc9c95-4bf3-4955-8029-6095c6a73f92/
SH256 hash:
9e754100575155b1925c2e8c5b3333e19292b071dc5cd3b9605251c9e7f16255
MD5 hash:
7303586b883e4303508b1508392b3118
SHA1 hash:
69d91c49062c075e6eb011e748001d351d201058
Link:
https://www.unpac.me/results/77bc9c95-4bf3-4955-8029-6095c6a73f92/
SH256 hash:
446f47d58cc074c64e9396c376a7a7cd15a766a3793bed83107363ec0e2f5372
MD5 hash:
0508b09b240a70f2be2629025538e57f
SHA1 hash:
a628bedc46ffc0a374a775f79adfb6286d66a34d
Link:
https://www.unpac.me/results/77bc9c95-4bf3-4955-8029-6095c6a73f92/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/446f47d58cc0/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/446f47d58cc074c64e9396c376a7a7cd15a766a3793bed83107363ec0e2f5372

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
Create hunting rule
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 446f47d58cc074c64e9396c376a7a7cd15a766a3793bed83107363ec0e2f5372

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185023/

Comments