MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments
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SHA256 hash: 4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd
SHA3-384 hash: 183052ec142d6300f9558e4a2738fe7db15a43dff221828ca10e4ba6ae8acf97e4c96cf214088220fec29a4c392abf26
SHA1 hash: f48dfd85f2cd1e162d51e369b6ded52823971371
MD5 hash: aa3fe76e56df94841da2468cd7c21258
humanhash: glucose-princess-tango-freddie
File name:SMS-Q40208-30.06.2021-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'193'984 bytes
First seen:2021-08-20 02:18:49 UTC
Last seen:2021-08-20 11:28:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:h09ggU7Jzh9ad6CSm64YqKBsPbInX3ACZsGUyq:UggqJzjpxm64YdBNXQiWR
Threatray 8'632 similar samples on MalwareBazaar
TLSH T1EF45493D29B91637C5B9C375EBE59423B148985FB400EE696CDE03A7030BA8735C762E
dhash icon d0a4b4c2cac0e4f4 (9 x AgentTesla, 4 x Loki, 4 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
6
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SMS-Q40208-30.06.2021-pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-20 02:20:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/a7cabb85-4fd8-4821-b547-45b54e1b9e11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/180827/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.25943.17403.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2d80bcb-8ab4-47c0-ba96-55330c59d16d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836152
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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 AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468579 Sample: SMS-Q40208-30.06.2021-pdf.exe Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Yara detected AgentTesla 2->47 49 Yara detected AntiVM3 2->49 51 4 other signatures 2->51 7 SMS-Q40208-30.06.2021-pdf.exe 4 2->7         started        10 xepul.exe 4 2->10         started        12 xepul.exe 2->12         started        process3 signatures4 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->55 57 Adds a directory exclusion to Windows Defender 7->57 14 SMS-Q40208-30.06.2021-pdf.exe 2 5 7->14         started        19 powershell.exe 26 7->19         started        59 Injects a PE file into a foreign processes 10->59 21 powershell.exe 10->21         started        23 xepul.exe 10->23         started        process5 dnsIp6 33 pss.net.pk 194.88.106.241, 49717, 587 WORLDSTREAMNL Netherlands 14->33 35 mail.pss.net.pk 14->35 29 C:\Users\user\AppData\Roaming\...\xepul.exe, PE32 14->29 dropped 31 C:\Users\user\...\xepul.exe:Zone.Identifier, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 2 other signatures 14->43 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        file7 signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 02:19:05 UTC
AV detection:
4 of 46 (8.70%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4m4fgbm6ykzor4o2ls2gnvloow7jfl6tpnw6recqibkpkj7uhoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046
AgentTesla
b561e46a889187aafaca806fc1633c5eeafc68b5acf17aa7a2232d5efbc64f54
AgentTesla
b9cb59244ae380b87c41822802fe472bbab263e701339ce83a3d3896fbbda8d2
AgentTesla
c2f21acde289adec4dbf7163480b89064e1eb476558c9729a520303cc75b40bc
AgentTesla
d1cf7e0daa513a6f309d5ba1cf2d854c62aad2a87cca96c543de24c19a9936e1
AgentTesla
+ 8'622 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/210820-4brhx1t29n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/9e06d111-6ecd-4e79-aebf-44b08ee693d6/
SH256 hash:
170a44fd935687db696df0694509ea4a645119df8845faf7fa6ca8a3693e8ff9
MD5 hash:
4e05cb61e70176bd649434f532644058
SHA1 hash:
d2fccf7169a3441f1de766652febf2c54f0dcbc5
Link:
https://www.unpac.me/results/9e06d111-6ecd-4e79-aebf-44b08ee693d6/
SH256 hash:
a2372e81f0e6676a3e9d0082e99a890b0bddc7ac97f844824f05e749ee6c7931
MD5 hash:
d96d36edf13ee8d2e745ed8555b7cc57
SHA1 hash:
933d926f50f1a726c9e72db4f1760e06680b4836
Link:
https://www.unpac.me/results/9e06d111-6ecd-4e79-aebf-44b08ee693d6/
SH256 hash:
4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd
MD5 hash:
aa3fe76e56df94841da2468cd7c21258
SHA1 hash:
f48dfd85f2cd1e162d51e369b6ded52823971371
Link:
https://www.unpac.me/results/9e06d111-6ecd-4e79-aebf-44b08ee693d6/
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/4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd

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: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 4f19c2982cf61597478ed2e5a336ab73adf4957e9bdb6f44828202a7a93fa1dd

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180827/

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