MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc
SHA3-384 hash: c4d6bdac2fbb37163d6e3db6169c203a13a13bacf0062f9a3289f38e02857c06b91d22eb1d3821e1a172ea3650b2d45f
SHA1 hash: c01b1e1eb7a532539b8626409eec93c5f7e86243
MD5 hash: 26c27aabc7f503c9c77f004f4b909c2b
humanhash: five-batman-oranges-stairway
File name:26c27aabc7f503c9c77f004f4b909c2b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'038'336 bytes
First seen:2022-12-21 17:55:35 UTC
Last seen:2022-12-21 19:29:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Wd4l68YdxM7KcQF8SYyKQiQGarSYSODjyVKSqmtDUHILYacpf+mDXttarruVBDUt:448888KcM86viiLz8KSqeDUHILY9
TLSH T11A25D3ABD9A82223D071C17697E35B2AF580F007F4825F1D4FCB9B3665916C23987A1F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
server323.web-hosting.com:25

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
26c27aabc7f503c9c77f004f4b909c2b.exe
Verdict:
Malicious activity
Analysis date:
2022-12-21 17:59:41 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/46e484e5-5f4d-4d00-af76-46345a11a869

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.12136.10251.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63a348b89f7f5520b7806c86/reports/d39d713c-288b-476e-b838-8d6318f4d34e/overview
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b56ab632-2ef8-4f1d-83a2-78551cbc20f6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1138892
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
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
Malicious sample detected (through community Yara rule)
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)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 771623 Sample: UaFlmnCC8c.exe Startdate: 21/12/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected AgentTesla 2->55 57 6 other signatures 2->57 6 UaFlmnCC8c.exe 3 2->6         started        10 RMBJLaF.exe 3 2->10         started        12 RMBJLaF.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\UaFlmnCC8c.exe.log, ASCII 6->25 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->59 61 May check the online IP address of the machine 6->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->63 14 UaFlmnCC8c.exe 17 6 6->14         started        65 Multi AV Scanner detection for dropped file 10->65 67 Machine Learning detection for dropped file 10->67 69 Injects a PE file into a foreign processes 10->69 19 RMBJLaF.exe 14 2 10->19         started        21 RMBJLaF.exe 3 12->21         started        23 RMBJLaF.exe 12->23         started        signatures5 process6 dnsIp7 31 api4.ipify.org 64.185.227.156, 443, 49703, 49705 WEBNXUS United States 14->31 33 server323.web-hosting.com 67.223.118.45, 25, 49704, 49707 VIMRO-AS15189US United States 14->33 39 2 other IPs or domains 14->39 27 C:\Users\user\AppData\Roaming\...\RMBJLaF.exe, PE32 14->27 dropped 29 C:\Users\user\...\RMBJLaF.exe:Zone.Identifier, ASCII 14->29 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->41 43 Tries to steal Mail credentials (via file / registry access) 14->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->45 35 api.ipify.org 19->35 37 api.ipify.org 21->37 47 Tries to harvest and steal ftp login credentials 21->47 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-12-21 17:22:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 40 (57.50%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6it3khddi6z2z5j3rzkoqsdeylb6j34xgitlyul7b6mffw6bx7ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221221-wh1m4afh51/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
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:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/87e703fe-1405-443c-81ac-a11f1d103001/
SH256 hash:
9032031189d1b15605115cb6056d3473b12672511f83be663e35ab68afd5d515
MD5 hash:
459b8f75335caf809f338a2ba33844ce
SHA1 hash:
e90cd14fbfc7abcee067f088078cb4ca33fa14cd
Link:
https://www.unpac.me/results/87e703fe-1405-443c-81ac-a11f1d103001/
SH256 hash:
c48a2da2fd62863f47931c707e60c1e92e6910f1a5b12ca931e5083f86268839
MD5 hash:
c7d1fbe9728cf9edb8eadbee59ec3781
SHA1 hash:
ad4179f6a3dacd0b74b16de826a2cb862fdf635f
Link:
https://www.unpac.me/results/87e703fe-1405-443c-81ac-a11f1d103001/
SH256 hash:
dc7e7029ae200de3a6142c9b9ccfb0640f45af71c3c2cd772bcc17f622285818
MD5 hash:
846d688700c5f6d4bb6e5f3552ae2a56
SHA1 hash:
56d181b0234426d59f100c5fd4c2fc56b0098db8
Link:
https://www.unpac.me/results/87e703fe-1405-443c-81ac-a11f1d103001/
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
Link:
https://www.unpac.me/results/87e703fe-1405-443c-81ac-a11f1d103001/
SH256 hash:
f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc
MD5 hash:
26c27aabc7f503c9c77f004f4b909c2b
SHA1 hash:
c01b1e1eb7a532539b8626409eec93c5f7e86243
Link:
https://www.unpac.me/results/87e703fe-1405-443c-81ac-a11f1d103001/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f227b51c6347/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe f227b51c6347b3acf53b8e54e84864c2c3e4ef973226bc517f0f9852dbc1bfcc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2474207/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/348814/

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