MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a44fabd61b1b7695fed4db543418ec7ceb0a7641035641d449254a9c458affb. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a44fabd61b1b7695fed4db543418ec7ceb0a7641035641d449254a9c458affb
SHA3-384 hash: 24a3cb9a0418229d64afcb2b670ad3c6d2e9a37dd7218fda2ce919aea9ce247e49e0ee19fb72b5530e54ca0734115e14
SHA1 hash: 342169ecf74d377002d79ffcda7a2603f6dac45f
MD5 hash: 6fb31091669d42bcac8a27fcc5d5b098
humanhash: may-alabama-triple-twenty
File name:PURCHASE ORDER.r00.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'919'392 bytes
First seen:2021-02-15 16:35:15 UTC
Last seen:2021-02-16 06:34:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 49152:QU61s2v19IQYiEyooc1eo1uSgq1Jl1lUs19jLaZcPuMQW1Ezqi1L1YUAS5Tf5Sxp:t
Threatray 2'631 similar samples on MalwareBazaar
TLSH DE953C310CAB6A7D70B443E8A17036DD7B9BEF34E07677E2A4A522A7E9474841F10D39
Reporter cocaman
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:ŇxVʙᴍxŁʟAΔ
Issuer:ŇxVʙᴍxŁʟAΔ
Algorithm:sha256WithRSAEncryption
Valid from:2021-02-15T07:52:44Z
Valid to:2022-02-15T07:52:44Z
Serial number: 0577d92174a1f879dd341393e9b1beda
Thumbprint Algorithm:SHA256
Thumbprint: 0c9f8f0d3c071095caec86872752335604c1340cba8cfa846fd1bedd03c36d16
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
4
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.r00.exe
Verdict:
Malicious activity
Analysis date:
2021-02-15 16:40:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0940a894-6aba-4bc0-9ec7-e4a33f8bcd31

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/117189/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36350918.20742.29772.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/608226
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Contains functionality to hide a thread from the debugger
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353143 Sample: PURCHASE ORDER.r00.exe Startdate: 15/02/2021 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 .NET source code contains potential unpacker 2->51 53 8 other signatures 2->53 7 Mymp4.exe 3 2->7         started        10 PURCHASE ORDER.r00.exe 3 2->10         started        12 Mymp4.exe 2->12         started        process3 signatures4 55 Multi AV Scanner detection for dropped file 7->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Machine Learning detection for dropped file 7->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->61 14 Mymp4.exe 7->14         started        17 cmd.exe 1 7->17         started        19 Mymp4.exe 7->19         started        21 WerFault.exe 7->21         started        63 Hides threads from debuggers 10->63 65 Injects a PE file into a foreign processes 10->65 23 PURCHASE ORDER.r00.exe 2 5 10->23         started        26 cmd.exe 1 10->26         started        28 WerFault.exe 23 9 10->28         started        31 PURCHASE ORDER.r00.exe 10->31         started        process5 dnsIp6 67 Tries to harvest and steal ftp login credentials 14->67 69 Tries to harvest and steal browser information (history, passwords, etc) 14->69 33 conhost.exe 17->33         started        35 timeout.exe 17->35         started        41 C:\Users\user\AppData\Roaming\...\Mymp4.exe, PE32 23->41 dropped 43 C:\Users\user\...\Mymp4.exe:Zone.Identifier, ASCII 23->43 dropped 71 Tries to steal Mail credentials (via file access) 23->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->73 75 Installs a global keyboard hook 23->75 37 conhost.exe 26->37         started        39 timeout.exe 1 26->39         started        45 192.168.2.1 unknown unknown 28->45 file7 signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8a44fabd61b1b7695fed4db543418ec7ceb0a7641035641d449254a9c458affb/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2021-02-15 13:12:39 UTC
File Type:
PE (.Net Exe)
AV detection:
12 of 29 (41.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjcpvplbwg3wsx7njw2ugqmoy7hlbj3eca2wihkesjkktrcyv75q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01330ada2211171d1bb5db977363a94cea239c455ea8c2fabea401a29b1c8143
AgentTesla
20dbea65f9ea5d713ead877a8fdca2bb606af820520ea99fafcef39fc7652ce2
AgentTesla
2ff93944081c104e8175f5209255c50e92d65f8a3e35fbf01c5f6f46237575af
AgentTesla
431c9f8b4b58782d7f9ebeccb1b3a18357667fef8293571cf01aa72f98720df2
AgentTesla
6609cf9b0aefabaaf1bccc04237e6ff32315960166bf4aa2ff5372cfb51c80d3
AgentTesla
92d9b1922bebbb60f7ca75eb99220f92bbdf687af32a4a966ec90fd562dfe96e
AgentTesla
a28923dedd3df222c1cec68d96cfe47e803d45956aa9e4b011856f135d4e105d
AgentTesla
b1f530942db69e2f7a2823abab2ecc03eaed957101e7e6a7b53af823765df3a7
AgentTesla
e3dbadc32e9e198eb9c03b3c8a29bb4569838eb7089ed761aea6a496eb8f8157
AgentTesla
e85e24ab0180d492c946ab60def07aff6d327969c52b91fcdff34057deea1404
AgentTesla
+ 2'621 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/210215-4exdbspr5s/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
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
Unpacked files
SH256 hash:
049766c206f0f40296153ce7572c1d2e0a49a0983d6f82983c31ab34cfa75d2d
MD5 hash:
271d1cf20770c1ca408eb25fc4720a88
SHA1 hash:
e005e01df59d6216b68ea8f129a7ac165dd82b65
Link:
https://www.unpac.me/results/395b425d-f4ed-4f04-a9fe-a65d471e7e35/
SH256 hash:
3ad50a64dafdf6b2c813ae34c170a9fd46ac66e7afc63f3f057508ff8caaaafd
MD5 hash:
7414f79e78319ac770cffd6a2622228c
SHA1 hash:
bd2ca0ae690f0a908d4eebc92d1ce7cb90bbd599
Link:
https://www.unpac.me/results/395b425d-f4ed-4f04-a9fe-a65d471e7e35/
SH256 hash:
8a44fabd61b1b7695fed4db543418ec7ceb0a7641035641d449254a9c458affb
MD5 hash:
6fb31091669d42bcac8a27fcc5d5b098
SHA1 hash:
342169ecf74d377002d79ffcda7a2603f6dac45f
Link:
https://www.unpac.me/results/395b425d-f4ed-4f04-a9fe-a65d471e7e35/
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/8a44fabd61b1b7695fed4db543418ec7ceb0a7641035641d449254a9c458affb

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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

r00 a46f67fa716c07f59988a77622afc2f166ad6d3e81435747d4b47b5d1815f361

AgentTesla

Executable exe 8a44fabd61b1b7695fed4db543418ec7ceb0a7641035641d449254a9c458affb

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 a46f67fa716c07f59988a77622afc2f166ad6d3e81435747d4b47b5d1815f361
  
Dropped by
SHA256 a441e785ee7f8b3600f67cb950445ca9c1c4f23788e185b97e4d293730189c14
Cape
Cape
https://www.capesandbox.com/analysis/117189/
  
Dropped by
SHA256 9377416922e3355aaaee4b620e0596baae2433e91a0dc741bc4fe482cb895bbe

Comments