MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f52943c1d3a14a627c8f40ee666a728e04185837d54ec7343c816d2d6de974c6. 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: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f52943c1d3a14a627c8f40ee666a728e04185837d54ec7343c816d2d6de974c6
SHA3-384 hash: 34b7092651e27439dd3d625f65f08cc6c2c84f890be78333329c7d0fc1217b2cfed2ba52f9282b9fe63b8d60b2670f2f
SHA1 hash: 134771a82305bf3666fe0b10d366d0e4c08b043f
MD5 hash: 7fbbbdfd361c1cfebd01a8311cd58ccb
humanhash: alpha-pasta-bulldog-snake
File name:PO#7A68D20.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:877'568 bytes
First seen:2022-01-25 03:24:36 UTC
Last seen:2022-01-25 05:57:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:TlQ8UwEAe/q0g83rkDk5L0glXkBvWEqi:JQ8UceyVgp0Ek9WEqi
Threatray 14'230 similar samples on MalwareBazaar
TLSH T17015F12736AECE31C628037A44EF805C03797A864A23D7477EC6779E0E1179B5E4D1AB
File icon (PE):PE icon
dhash icon 136d455d6d4d550b (25 x AgentTesla, 9 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/222144/
Detection(s):
SecuriteInfo.com.Variant.Bulz.815886.21476.7613.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/61ef6d920f8c757253e4c40a/reports/b0e49e59-94ce-45d9-bc79-7133f1546f58/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c25dbef-1b47-4fdd-ac81-0f5188d043de
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/926737
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 559215 Sample: PO#7A68D20.exe Startdate: 25/01/2022 Architecture: WINDOWS Score: 100 54 mail.narbon-co.com 2->54 60 Found malware configuration 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 10 other signatures 2->66 8 PO#7A68D20.exe 7 2->8         started        12 kprUEGC.exe 5 2->12         started        14 kprUEGC.exe 2->14         started        signatures3 process4 file5 46 C:\Users\user\AppData\...\ZJQVjHcogwO.exe, PE32 8->46 dropped 48 C:\Users\...\ZJQVjHcogwO.exe:Zone.Identifier, ASCII 8->48 dropped 50 C:\Users\user\AppData\Local\...\tmp2118.tmp, XML 8->50 dropped 52 C:\Users\user\AppData\...\PO#7A68D20.exe.log, ASCII 8->52 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 8->72 74 Adds a directory exclusion to Windows Defender 8->74 16 PO#7A68D20.exe 2 5 8->16         started        20 powershell.exe 22 8->20         started        22 schtasks.exe 1 8->22         started        76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 80 Injects a PE file into a foreign processes 12->80 24 schtasks.exe 12->24         started        26 kprUEGC.exe 12->26         started        28 schtasks.exe 14->28         started        30 kprUEGC.exe 14->30         started        signatures6 process7 file8 40 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 16->42 dropped 44 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 16->44 dropped 56 Modifies the hosts file 16->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->58 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f52943c1d3a14a627c8f40ee666a728e04185837d54ec7343c816d2d6de974c6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-25 02:53:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uuuhqotuffge7epidxgm2tsrycbqwbx2vhmonb4qfws23pjotda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0036b6f019b571fa34832f001ed1272c9e62d0601566aaee332115e9ae8e01d7
AgentTesla
0476e40087a7f7bc64e3bfd2f008fa8ae7293cf2ca5515fb3d98d1b732cbc8cf
AgentTesla
3a8250e0d2ff4904db22d00a5c18f82bce1b2bcadf1a4d1029ef1c02e5210fbe
AgentTesla
6165fac365803ffb9650ccfc5465ecfb8bad3ba2804b6451c3500059e90ad7ed
AgentTesla
7152c6554215cabb53c75d1cd7d988c10351958fb7d190625e6875e3ce57756e
AgentTesla
8ff3a9677131d5f17d08063f7133019c1571b41bca6ee0aad1223f1780674839
AgentTesla
a659a457c8954db3ca3bd4e5f48bc06f9636885aa9f1d51a2348a029b30f79cc
AgentTesla
+ 14'220 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220125-dym3tsfgen/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
74d6f5de55689eb1aa935a97bf411627cf1e86ff16e7c3ccc979285e764da115
MD5 hash:
8258478bca138c9461561530b32c66b8
SHA1 hash:
f3bb95c3a6c7d6b5174cc66df4a435bfaafd34aa
Link:
https://www.unpac.me/results/98c60145-1261-4155-8d9e-c4605e683a11/
SH256 hash:
870a83fb7f7680de9f4b8aa198f8db08a620f94f25869c767de228569e3d40bd
MD5 hash:
e0085c8ebd410cac54c4e742d6fc1dc9
SHA1 hash:
75d9c0c298d6a998d494dfe9f18ed2ea3fa1797d
Link:
https://www.unpac.me/results/98c60145-1261-4155-8d9e-c4605e683a11/
SH256 hash:
8325a5cf7942bb46ac528c836b79180c05d71a4e7de108693d303d56bcc5def1
MD5 hash:
efdf2c54a74297c24bc73285376c432b
SHA1 hash:
564f25afb6c5599cdcd5fafaff32c1475e581af4
Link:
https://www.unpac.me/results/98c60145-1261-4155-8d9e-c4605e683a11/
SH256 hash:
f52943c1d3a14a627c8f40ee666a728e04185837d54ec7343c816d2d6de974c6
MD5 hash:
7fbbbdfd361c1cfebd01a8311cd58ccb
SHA1 hash:
134771a82305bf3666fe0b10d366d0e4c08b043f
Link:
https://www.unpac.me/results/98c60145-1261-4155-8d9e-c4605e683a11/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f52943c1d3a1/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/f52943c1d3a14a627c8f40ee666a728e04185837d54ec7343c816d2d6de974c6

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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: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.

Malspam

AgentTesla

Executable exe f52943c1d3a14a627c8f40ee666a728e04185837d54ec7343c816d2d6de974c6

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/222144/

Comments