MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments

SHA256 hash: 11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6
SHA3-384 hash: 5fd017ab82c33544eaa9fbe7ed18b66c909e80c0359c008c9279d2493dfca4111b033dc6e9bd7d3a969edaf8cb16695a
SHA1 hash: cae8734f820537adda23e7cf891ebcd92b0e4c1c
MD5 hash: 24b0181283f32c69f89e64761c4f4cd9
humanhash: thirteen-orange-failed-nineteen
File name:2129-20 30% CLAIM - PO SPO21-01-072.exe
Download: download sample
Signature AgentTesla
File size:730'624 bytes
First seen:2021-07-28 10:50:26 UTC
Last seen:2021-07-28 13:35:45 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:vPRbHvQ7iS/d3483xeqWVr1H4HPTjh4t76yUASFdKhu/7rtGmI6SA:v9HvLS/d3Nxe5VrxYPTuzUA6QSrtGmb
Threatray 7'489 similar samples on MalwareBazaar
TLSH T142F4BF758488DF9ADC5C03B4DA8C02F02EF19CA6E1B0E5533E857EB1B5B0A15D9B9387
dhash icon 4549494d4d2b714d (7 x Formbook, 6 x AgentTesla, 3 x NanoCore)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1815f951-1f97-4566-b1dc-bf8ea80ea4eb
Verdict:
Suspicious activity
Analysis date:
2021-07-28 10:52:45 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.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
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 455424 Sample: 2129-20 30% CLAIM - PO SPO2... Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Yara detected AgentTesla 2->41 43 5 other signatures 2->43 6 2129-20 30% CLAIM - PO SPO21-01-072.exe 3 2->6         started        10 kSrYER.exe 3 2->10         started        12 kSrYER.exe 2 2->12         started        process3 file4 21 2129-20 30% CLAIM ...PO21-01-072.exe.log, ASCII 6->21 dropped 45 Injects a PE file into a foreign processes 6->45 14 2129-20 30% CLAIM - PO SPO21-01-072.exe 2 9 6->14         started        47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->47 49 Machine Learning detection for dropped file 10->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->51 19 kSrYER.exe 2 10->19         started        signatures5 process6 dnsIp7 27 mail.boikgold.com 160.153.16.6, 49758, 49759, 587 GODADDY-AMSDE United States 14->27 23 C:\Users\user\AppData\Roaming\...\kSrYER.exe, PE32 14->23 dropped 25 C:\Users\user\...\kSrYER.exe:Zone.Identifier, ASCII 14->25 dropped 29 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->29 31 Tries to steal Mail credentials (via file access) 14->31 33 Tries to harvest and steal ftp login credentials 14->33 35 2 other signatures 14->35 file8 signatures9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-28 10:51:05 UTC
AV detection:
14 of 27 (51.85%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
CustAttr .NET packer
AgentTesla
Unpacked files
SH256 hash:
a4265f3e6d62166979d037d8203ac826c8231d5018f1918246eb862d9f5517f8
MD5 hash:
4097c6b68f4f2935aa1ade93a91bc6b0
SHA1 hash:
dbd59fffff8276a0b8ee3bb3c298a479a95ae06a
SH256 hash:
fa7f384e708a7c832d8ea37d09e8991281f41f08128f8959ba4af9d53db177f6
MD5 hash:
a661c82491c89caad8b64d6b4e6f42f8
SHA1 hash:
c60c232f86cd46e61fad1e94b6e9a028b113d16e
SH256 hash:
4c465d52b76de5e384cfe64e2736fc6ca3e659b413f356d811e494c9a5c965e8
MD5 hash:
ef20e5a06c139574503b8a0d1dd62ae1
SHA1 hash:
b6a15bf74d13815e7952a1df604fd8d6a69dce1c
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6
MD5 hash:
24b0181283f32c69f89e64761c4f4cd9
SHA1 hash:
cae8734f820537adda23e7cf891ebcd92b0e4c1c
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
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 11c57727c43aa2062fb4194e9df78a89a9482169f603f7ead5bdd77f2ccf69d6

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments