MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 598775c6a3b374a389d0150f3e2d9e0b5062aa9d7326409a1fa018abb7e66831. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 598775c6a3b374a389d0150f3e2d9e0b5062aa9d7326409a1fa018abb7e66831
SHA3-384 hash: f909903f90bda80efc848dc8718cd67b42aafa0130a4b020b561ea8466ee8e9e6f3f47e88345c07b368963692396dd40
SHA1 hash: e006d454028aa59c7d219737319a0cc7901aece6
MD5 hash: 58edbdc3947e0cd698ec155d05dfb276
humanhash: oxygen-sierra-mike-alpha
File name:Llf5pm1Pb6qApwR.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:754'688 bytes
First seen:2021-09-06 06:02:25 UTC
Last seen:2021-09-06 13:48:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:FUtTqbL2o8SaOtW29KCDKjxuA5u9v1laM7/D8pe6UB3bhO92NbCPrk7U6vx0w87r:4qH1aOtW29zWjD5u9v1EMbD8pkVbYUN
Threatray 10'220 similar samples on MalwareBazaar
TLSH T162F4599C3210759FC957D9368E64DC74AB106CAA530BD203A0E32DAFBA6D697DF101F2
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Llf5pm1Pb6qApwR.exe
Verdict:
Malicious activity
Analysis date:
2021-09-06 06:05:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/045625a1-9d82-4d42-82a0-02a31a8b2b14

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/185515/
Detection(s):
SecuriteInfo.com.Artemis58EDBDC3947E.8825.28520.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Deleting a recently created file
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/512eca30-6bb8-4519-89b3-c94b6f83cb43
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/845721
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
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 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: 478147 Sample: Llf5pm1Pb6qApwR.exe Startdate: 06/09/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 Llf5pm1Pb6qApwR.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\DAdFRyt.exe, PE32 7->19 dropped 21 C:\Users\user\...\DAdFRyt.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp8869.tmp, XML 7->23 dropped 25 C:\Users\user\...\Llf5pm1Pb6qApwR.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Injects a PE file into a foreign processes 7->45 11 Llf5pm1Pb6qApwR.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 medicare-equipment.com 192.185.84.191, 49741, 587 UNIFIEDLAYER-AS-1US United States 11->27 29 mail.medicare-equipment.com 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 2 other signatures 11->53 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/598775c6a3b374a389d0150f3e2d9e0b5062aa9d7326409a1fa018abb7e66831/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-06 03:50:25 UTC
AV detection:
11 of 40 (27.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgdxlrvdwn2khcoqcuht4lm6bnigfku5omtebgq7uamkxn7gnayq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e55ef0091a7dda9e255443b3904ac6cfc3218a318dbecbe3a4a53407d280d81
AgentTesla
20251c86adaf2dc2cf0513e3dc83e78a768d1b016e0dcd738a0e55d3ba7227c4
AgentTesla
6d308e8d4d4a5d326d7a0a19a28e1ff9a0f873485ee809d1235fb34d30a87478
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6f0d7fe74a78efbc9a99f0282982a0996abe2c83fef805c08e1134d3d45e3798
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80dd2446134587b98fc315999adf4a298c58c02b9a3f15d8a75155b657380ba8
AgentTesla
97f6a394549a97979e39e6beef12b8d036f3aae6add803f364aef8cb8f4dcaad
AgentTesla
c5f47ef393da3d1b6ca1de252345d034ad35aadc80c5ec4911d0e6c353e5e1e8
AgentTesla
c97b8314f3d0b5396a70df9e3458be2f69d2d7891a86e02fa9b112dd0a6957ae
AgentTesla
d5760d2037907e68f8337d7e9d48834c47934946bd71cfaaf8475d3866707509
AgentTesla
e08e91dd17aa510e2f463e194ad56d50e0a057dd03d1462873d9c9f0a7be9ab7
AgentTesla
+ 10'210 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210906-gr25ysaea5/
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
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:
7c5177880c3b4f333cf49afe51feb492562a50097c8cd7eca220657a48eed2a2
MD5 hash:
63e44ce25d393ebb2570541740cfd0fa
SHA1 hash:
d9b4fb56085d340ba0befe075ce7960b466e99d1
Link:
https://www.unpac.me/results/4466f7d3-6544-43b8-a2da-383f4efa2100/
SH256 hash:
f038fe9e47719b5ecf7b044739ed963a80cd49e16d5448d3cc92982c127ef796
MD5 hash:
f87a0f3cd66b5a960456c1be43bea450
SHA1 hash:
72d30d5015469c849ff8cbc21cc3cb496b55492d
Link:
https://www.unpac.me/results/4466f7d3-6544-43b8-a2da-383f4efa2100/
SH256 hash:
81f9eac76804c02f5baaa34c91b5775f965a34ad7811218d9c24e50cb6d9a90c
MD5 hash:
bae511742374b721136acaa03b0c1fa0
SHA1 hash:
215c50455b01a78ea173bbb034ddbe4b452ea734
Link:
https://www.unpac.me/results/4466f7d3-6544-43b8-a2da-383f4efa2100/
SH256 hash:
598775c6a3b374a389d0150f3e2d9e0b5062aa9d7326409a1fa018abb7e66831
MD5 hash:
58edbdc3947e0cd698ec155d05dfb276
SHA1 hash:
e006d454028aa59c7d219737319a0cc7901aece6
Link:
https://www.unpac.me/results/4466f7d3-6544-43b8-a2da-383f4efa2100/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/598775c6a3b3/report/overview.html
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/598775c6a3b374a389d0150f3e2d9e0b5062aa9d7326409a1fa018abb7e66831

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

Executable exe 598775c6a3b374a389d0150f3e2d9e0b5062aa9d7326409a1fa018abb7e66831

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/185515/

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