MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43fef170694482498ea7cbc2f8209fc0761387df676f011cbd7c4b52b7872bb8. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43fef170694482498ea7cbc2f8209fc0761387df676f011cbd7c4b52b7872bb8
SHA3-384 hash: 62f715547baf68042b7a248d3a35517861cc50406981b14c79f1c2ea055e2421cd9fa17dfb75388e5942bb17db5254ca
SHA1 hash: 41030688a29c556ef8e540cec24868385026eb79
MD5 hash: 5b15cad6bec93f9b5e5c6ce2abf6b19f
humanhash: ten-oregon-cola-lithium
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:800'768 bytes
First seen:2021-08-04 08:32:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:ETk43Y10wg4O9rqzR2Xp7Z86BUz+GTCaoM+j2ng6+R4PX2NuB2iN:6kF1ENrqzQ57Z8Dz+GWUr+R4a01
Threatray 7'798 similar samples on MalwareBazaar
TLSH T14A059D2126EB1A5DF3769BF25BC8B46E87F5F573A70AF0B93D9103864221D408D62732
Reporter jarumlus
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.exe
Verdict:
Malicious activity
Analysis date:
2021-08-04 08:35:20 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/63898d2c-c80a-43b1-bdea-592367ca19ec

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/176265/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3528d368-e82a-4954-91c7-e6fb73e76f44
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826721
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 459152 Sample: PURCHASE ORDER.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 11 other signatures 2->68 7 PURCHASE ORDER.exe 7 2->7         started        10 newapp.exe 5 2->10         started        13 newapp.exe 2->13         started        process3 file4 42 C:\Users\user\AppData\Roaming\pijAdncpU.exe, PE32 7->42 dropped 44 C:\Users\...\pijAdncpU.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\Temp\tmpCED.tmp, XML 7->46 dropped 48 C:\Users\user\...\PURCHASE ORDER.exe.log, ASCII 7->48 dropped 15 PURCHASE ORDER.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        22 PURCHASE ORDER.exe 7->22         started        70 Multi AV Scanner detection for dropped file 10->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->72 74 Machine Learning detection for dropped file 10->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->76 24 schtasks.exe 1 10->24         started        26 newapp.exe 2 10->26         started        28 schtasks.exe 13->28         started        30 newapp.exe 13->30         started        signatures5 process6 dnsIp7 50 buynsell.com.pk 194.28.84.37, 26, 49766, 49767 HOSTPRO-ASUA Ukraine 15->50 52 mail.buynsell.com.pk 15->52 38 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 15->38 dropped 40 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->40 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 3 other signatures 15->60 32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        36 conhost.exe 28->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/43fef170694482498ea7cbc2f8209fc0761387df676f011cbd7c4b52b7872bb8/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
Create hunting rule
Status:
Malicious
First seen:
2021-08-03 07:51:31 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ip7pc4djisbetdvhzpbpqie7yb3bhb67m5xqchf5prfvfn4hfo4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1898741c552066a70607a0060225a6b0d7628af1e0dee1e0a619161db3844be5
AgentTesla
366ec72f3e385fffc76a6750312ef73abb87afb3e9f04d0930c5053fe793f0d6
AgentTesla
63aa4b94125d5fd5621d354452e7f547b5937d099f3b92e1fc111f06136611fe
AgentTesla
6faef4e15fcae0545cbb7cdbb4200f4dcf7c18cdf12b072c65d779acef7d2092
AgentTesla
88d6342ccae8c8af4195bcb8c8d41230821ff2d1d5d559e074e240d903af840d
AgentTesla
8d612b2743dcec9641417c32c472aca58eb0161e8609754fcf728c7ee57ee5ca
AgentTesla
a2fe04b23ff87693a170fbe1c4375595699582113c89d2b38809d5ce0703345b
AgentTesla
b7c792f30ae44436655b15eb76f57ea8e59cc40b17f8489899fba28cbc22064a
AgentTesla
f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2
AgentTesla
+ 7'788 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/210804-41325xvzqn/
Behaviour
Creates scheduled task(s)
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:
d61186813384e4ff86cff4db9f4f629af7e5160b3cfe8a55b680b62765d67977
MD5 hash:
23e13a76c3ca5fbd041f21f470d305d6
SHA1 hash:
711c462e87cb69cee18a3c619e294f3fd792c9fb
Link:
https://www.unpac.me/results/25c4d7ad-1e4e-49ed-a959-facfdeb73681/
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
Link:
https://www.unpac.me/results/25c4d7ad-1e4e-49ed-a959-facfdeb73681/
SH256 hash:
30ef6c7c9df869130358cf7c0aba34dbbdcd8392b4b4680b1ea20751ee72b9d8
MD5 hash:
13dfddf8c1051939f7a829e302ce22cf
SHA1 hash:
0174eaafd7a9d935792ca64dfa2f5d1d740bad16
Link:
https://www.unpac.me/results/25c4d7ad-1e4e-49ed-a959-facfdeb73681/
SH256 hash:
43fef170694482498ea7cbc2f8209fc0761387df676f011cbd7c4b52b7872bb8
MD5 hash:
5b15cad6bec93f9b5e5c6ce2abf6b19f
SHA1 hash:
41030688a29c556ef8e540cec24868385026eb79
Link:
https://www.unpac.me/results/25c4d7ad-1e4e-49ed-a959-facfdeb73681/
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/43fef170694482498ea7cbc2f8209fc0761387df676f011cbd7c4b52b7872bb8

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

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/176265/

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