MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2
SHA3-384 hash: 136ae53cdb4f81e9810a959772ef1b66b98b9b59f112a327d0c1c3aec9cf47bdb1484006960988d3e3db4184ee5b268e
SHA1 hash: f65871350c3b39c28030145ba6f2ca5a59fa4f58
MD5 hash: a268be369bd791318e83837c6ad6cdfe
humanhash: hot-butter-quebec-golf
File name:new PO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:642'048 bytes
First seen:2022-02-17 05:12:10 UTC
Last seen:2022-02-17 14:42:36 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:aNINasVof1YP+8x0ew2uqPHvE31xgQH0ewC7B4yPD:2IUsWYWOrueeNH57B4yb
Threatray 14'598 similar samples on MalwareBazaar
TLSH T116D4E0A411F745B1CC6ECBFFF821C2082F74E62F9506F2F60989917810AE7854B96A77
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/242110/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.94.4230.21943.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/620dd962ac8ad0468b4a1872/reports/d081bc4c-0c9a-495b-9638-91c486957f5a/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.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/941327
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Allocates memory in foreign processes
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 sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 573805 Sample: new PO.exe Startdate: 17/02/2022 Architecture: WINDOWS Score: 100 31 api.telegram.org 2->31 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 9 other signatures 2->51 7 new PO.exe 3 2->7         started        11 NXLun.exe 2 2->11         started        13 NXLun.exe 1 2->13         started        signatures3 process4 file5 25 C:\Users\user\AppData\...\new PO.exe.log, ASCII 7->25 dropped 53 Writes to foreign memory regions 7->53 55 Allocates memory in foreign processes 7->55 57 Injects a PE file into a foreign processes 7->57 15 RegSvcs.exe 17 4 7->15         started        19 RegSvcs.exe 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures6 process7 file8 27 C:\Users\user\AppData\Roaming\...27XLun.exe, PE32 15->27 dropped 29 C:\Windows\System32\drivers\etc\hosts, ASCII 15->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->33 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Tries to harvest and steal ftp login credentials 15->37 43 3 other signatures 15->43 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->41 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-17 03:58:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3n35n3jpovbnd4gejubkxsc4lgqj5ghin4jt3oqzebszqy35pxza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
014ce2f0d54ea868745ab09eb0ca0c1dda3fe4ee814706d05e7f414fef772d57
AgentTesla
0a64c72dadf7b8dc0de59c9a26986e7ef924b6b718b417c0f237d9f3cd3e7afe
AgentTesla
881591dd1eb435d0075b2e047bb9a444805384528b847084bd4368e10219f24b
AgentTesla
eb40b54b58e29dd636f8e568eec58fea042b1fa19ccca32b7e9b7ad576339cb7
AgentTesla
f2f63f0ba60e3da875aee3486d3e0a938fe15de2f472c438f7bac289ac87f241
AgentTesla
+ 14'588 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/220217-fwepsahch4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Checks processor information in registry
Modifies data under HKEY_USERS
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument
Unpacked files
SH256 hash:
a1b47b05f19f898ac321602d7848972df9d8be47625e77c223abae29e3d46825
MD5 hash:
80069aeb04815f424aa007cc1c5e9976
SHA1 hash:
e633718ad0e81ba1f09ba910f7f5ef1b34db29d3
Link:
https://www.unpac.me/results/d9d1cbee-487b-4979-843c-480fbbe6dcfb/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/d9d1cbee-487b-4979-843c-480fbbe6dcfb/
SH256 hash:
234d8bb2783e5c0e658248a229581cf175a73f09599fd185b5c9763f46d789aa
MD5 hash:
0b69367ef53ff9120f7dc2d2f2eef0a4
SHA1 hash:
052bc8e613ee923adc6e9c81b12d37bb5ee99469
Link:
https://www.unpac.me/results/d9d1cbee-487b-4979-843c-480fbbe6dcfb/
SH256 hash:
db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2
MD5 hash:
a268be369bd791318e83837c6ad6cdfe
SHA1 hash:
f65871350c3b39c28030145ba6f2ca5a59fa4f58
Link:
https://www.unpac.me/results/d9d1cbee-487b-4979-843c-480fbbe6dcfb/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/db77d6ed2f75/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/db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2

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:Telegram_Exfiltration_Via_Api
Create hunting rule
Author:lsepaolo
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 db77d6ed2f7542d1f0c44d02abc85c59a09e98e86f133dba19206598637d7df2

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/242110/

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