MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50
SHA3-384 hash: 8cd6b458c695b9cb0e8bbdc76a99759374f96cc4892d989990b9bf90162085d1863c5d20a5fc8be96d2cf10369b80ee6
SHA1 hash: cb40596c55d7d9ec9bb1ecdbb8002ecf49764395
MD5 hash: 93b0b4e7c1fb7ae99b951f3f2bd89794
humanhash: cola-twelve-beryllium-eighteen
File name:Zeal Enterprises Pl.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:787'456 bytes
First seen:2021-04-16 00:49:47 UTC
Last seen:Never
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:eiWNW99RKKYaslP4s1AGfnIAc3eFOjxIdqXWABfGlW:7WAvslP4s1Ain9E+d9gfGw
Threatray 3'972 similar samples on MalwareBazaar
TLSH B5F49D607908B582E05F4BF2585D40718722BD26E311DA1F9ACC7CBDCA76BE1ED0D2DA
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Zeal Enterprises Pl.exe
Verdict:
Malicious activity
Analysis date:
2021-04-16 01:06:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9f7e59b5-1d4f-4aeb-8523-60063890f43d

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/135659/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.658-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
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
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/678941
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 388421 Sample: Zeal Enterprises Pl.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 5 other signatures 2->51 7 Zeal Enterprises Pl.exe 6 2->7         started        10 ppptOL.exe 2 2->10         started        12 ppptOL.exe 1 2->12         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\tmp837.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\Roaming\uuXaopoob.exe, PE32 7->29 dropped 14 RegSvcs.exe 2 8 7->14         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        process5 dnsIp6 35 webmail.mdist.us 192.185.226.148, 49746, 49747, 587 UNIFIEDLAYER-AS-1US United States 14->35 31 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 14->31 dropped 33 C:\Windows\System32\drivers\etc\hosts, ASCII 14->33 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 5 other signatures 14->43 25 conhost.exe 19->25         started        file7 signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-04-16 00:50:14 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pefqbbbbquxvkv4uuxszzepyssmt3swgieiezidaq662rqnv5jia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
102b0bdae4e027e3e115490a1fe904b1a9f4fd9e4e52243719ee1167ec4ed62a
AgentTesla
29ebec67d2006c81333565581d8c2b123a3fbeee5123180b25feccb3b02f838e
AgentTesla
3ee4e620dd7cb6d8a6f604e5653a4f5cbf1258032ffc7d13ae9a415c672a5713
AgentTesla
5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec
AgentTesla
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
AgentTesla
806bf1c6fa713325b45642893ede4dcb76dbf6044aea80a5315da1075cc25b9a
AgentTesla
8d10af8f247bb74f1a3d0878785f3afa173c82d4c881f29dd5b60ea6ed5f6b90
AgentTesla
a8c531f969a793a8b3b5015d74bdef058c04079f657ea7f68ea735059b6bb7db
AgentTesla
a9837c36763da6705fe6ad7293465230a14aa33c935b08bc88268ff9d06cc7ec
AgentTesla
b8b373ce2f5835b617f904b50e5e594232982967ea1a12b35bd085c83aa057bb
AgentTesla
+ 3'962 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/210416-vrtwmy4cp6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d529dcbe17c0867c5d1d468135e9f4fc28356829c816feeab8ef00cb2022dce9
MD5 hash:
064754b0c22edeec372ae3e9b5f6a881
SHA1 hash:
e98e9dcae439e4c73b807a777ae89aa56b59e913
Link:
https://www.unpac.me/results/2762e8f6-826c-4a13-a705-72fa6c20be22/
SH256 hash:
14adff04efa139c42d88766179f4f404fee90c1a3d483a0d0d969af5ef9686c8
MD5 hash:
dfeb6640cf7e13ef7c1861849deb9036
SHA1 hash:
7e590dfe0867e2fdeec6143bf777b6b4523ee1d7
Link:
https://www.unpac.me/results/2762e8f6-826c-4a13-a705-72fa6c20be22/
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
Link:
https://www.unpac.me/results/2762e8f6-826c-4a13-a705-72fa6c20be22/
SH256 hash:
790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50
MD5 hash:
93b0b4e7c1fb7ae99b951f3f2bd89794
SHA1 hash:
cb40596c55d7d9ec9bb1ecdbb8002ecf49764395
Link:
https://www.unpac.me/results/2762e8f6-826c-4a13-a705-72fa6c20be22/
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/790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50

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

7z 1ac08a8acd2892243c6d649e00223cec4a2effa1d4fb647853ce283efa1d2e27

AgentTesla

Executable exe 790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50

(this sample)

  
Dropped by
MD5 e3c2efe6dbbf195422ef7780c49eebf0
  
Dropped by
SHA256 1ac08a8acd2892243c6d649e00223cec4a2effa1d4fb647853ce283efa1d2e27
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/135659/

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