MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57c31840841bc2bd1193276f16ece452fb41fe3b1fd058d90f42afeff5ea346a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 57c31840841bc2bd1193276f16ece452fb41fe3b1fd058d90f42afeff5ea346a
SHA3-384 hash: fc92632dc5c2815293ae03ac1e27a954ac7608f2e7e7378d3d4570f466f37509330a7cbe393e74f76ad67313a7c5042e
SHA1 hash: d5104468be5b82dd3b2ab7824e08de4085fce983
MD5 hash: 17c60b513ef68bef07d4cb67e54bf2d6
humanhash: connecticut-massachusetts-delaware-four
File name:DHL-28-2022.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:769'024 bytes
First seen:2022-07-27 15:04:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:bokozyvwnbIFdlfcsQ/rJxRNrFjI/44WYW4rqkkZ7BEC+qYsBvpx910Ox8:Uyvwn0FdNcsQTJx7Fj14WUrPQNEnsBZX
TLSH T130F4F1043676CE1BC1AD0773C0D2151487B595CBE2ABC78BB9CC13DA2D177AAA94B24F
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 86738c8d86966992 (12 x AgentTesla, 6 x Loki, 6 x Formbook)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
358
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294670/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.20355.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e1543ea2f481deb96e916f/reports/84d1751a-7cb3-416d-b4e1-984ee5b957b7/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d746aebc-8d19-461f-991e-8644c517c6d5
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041926
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/57c31840841bc2bd1193276f16ece452fb41fe3b1fd058d90f42afeff5ea346a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-27 15:05:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
8 of 39 (20.51%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7brqqeedpbl2emte5xrn3hekl5ud7r3d7ifrwipikx675pkgrva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220727-sf66baehhl/
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
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
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/233aa3ac-b3d1-40ce-8a6a-69e93d75de83/
SH256 hash:
d39a5e3184230bf6f1b2df36eda14a97668816968f261e017683d5d916ab73a1
MD5 hash:
93e140f6939faebd0ca7f5962c7cc346
SHA1 hash:
a9da759ac612227992994a05dce7d3ccc0f8e3a4
Link:
https://www.unpac.me/results/233aa3ac-b3d1-40ce-8a6a-69e93d75de83/
SH256 hash:
e564513c43380315992640814660840a5b4703eb1bdd83e4bfb41adc8b00a952
MD5 hash:
745a8ebc59de416f9fd30feff3a73c8c
SHA1 hash:
929a6c83ae8973d863cf4640a979b86da829b988
Link:
https://www.unpac.me/results/233aa3ac-b3d1-40ce-8a6a-69e93d75de83/
SH256 hash:
1a7cddcf5e3d39f8bf0520db4fd07cfb17f43572a87f448aa0bc4af12939b529
MD5 hash:
ca67e5bbede8bc5053527f8e88d12ec2
SHA1 hash:
3051882e6559778b5963dfbb398737d610cf6ae7
Link:
https://www.unpac.me/results/233aa3ac-b3d1-40ce-8a6a-69e93d75de83/
SH256 hash:
c74bb2848a7fdd3686e558164a4e119acecb985b7ee7937c46d80afdd5ea1e92
MD5 hash:
db1314c83897b4f458013e646a278926
SHA1 hash:
0e321974f7570fa3ceeab3be411be94528c5f4ec
Link:
https://www.unpac.me/results/233aa3ac-b3d1-40ce-8a6a-69e93d75de83/
SH256 hash:
57c31840841bc2bd1193276f16ece452fb41fe3b1fd058d90f42afeff5ea346a
MD5 hash:
17c60b513ef68bef07d4cb67e54bf2d6
SHA1 hash:
d5104468be5b82dd3b2ab7824e08de4085fce983
Link:
https://www.unpac.me/results/233aa3ac-b3d1-40ce-8a6a-69e93d75de83/
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:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/294670/

Comments