MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 939589f47802dc8857577fa740f59b8bbf3ff7b2333cc46596e518d01642f950. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 939589f47802dc8857577fa740f59b8bbf3ff7b2333cc46596e518d01642f950
SHA3-384 hash: d889b2f24773a121fd39a4f9bac3271fcc7d68b907b3e19c3de77f4387af24c61cd0e5633360a2d95231f6684a837838
SHA1 hash: 1d4a1f87913951c35ffaf8afb768ae2623c1e236
MD5 hash: 0ea03fd5b9b8ef3cdf24b09bca40cc34
humanhash: golf-louisiana-johnny-fish
File name:TECH_21_REQUISITION_FOR _SPARE_PARTS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:739'840 bytes
First seen:2020-08-21 06:32:34 UTC
Last seen:2020-08-22 05:47:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6QOSFLUMBqTlWXHHBpdNKLce3mPcrySQJW3bPpLO4EJjiD7/V/NbG15:xFLUtlWXHHL+p3IaEW3dL49iDzV/NbG1
Threatray 18 similar samples on MalwareBazaar
TLSH 2EF4121332289BD9E87A4BF4C43054519FF62E355D62D3092EF23BEEB830B5199217A7
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/49462/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.24065.21826.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/443487
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 274215 Sample: TECH_21_REQUISITION_FOR _SP... Startdate: 22/08/2020 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 7 other signatures 2->41 6 DsWhv.exe 3 2->6         started        9 TECH_21_REQUISITION_FOR _SPARE_PARTS.exe 3 2->9         started        12 DsWhv.exe 2 2->12         started        process3 file4 43 Antivirus detection for dropped file 6->43 45 Multi AV Scanner detection for dropped file 6->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 3 other signatures 6->49 14 DsWhv.exe 2 6->14         started        27 TECH_21_REQUISITIO...SPARE_PARTS.exe.log, ASCII 9->27 dropped 18 TECH_21_REQUISITION_FOR _SPARE_PARTS.exe 2 5 9->18         started        21 DsWhv.exe 2 12->21         started        signatures5 process6 dnsIp7 29 smtp.vishnucars.in 14->29 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->51 53 Tries to steal Mail credentials (via file access) 14->53 55 Tries to harvest and steal ftp login credentials 14->55 57 Tries to harvest and steal browser information (history, passwords, etc) 14->57 31 smtp.mailboxdns.com 120.138.8.178, 49741, 49743, 587 CTRLS-AS-INCtrlSDatacentersLtdIN India 18->31 33 smtp.vishnucars.in 18->33 23 C:\Users\user\AppData\Roaming\...\DsWhv.exe, PE32 18->23 dropped 25 C:\Users\user\...\DsWhv.exe:Zone.Identifier, ASCII 18->25 dropped 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/939589f47802dc8857577fa740f59b8bbf3ff7b2333cc46596e518d01642f950/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 04:57:55 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sokyt5dyaloiqv2xp6tub5m3ro7t755sgm6mizmw4umnafsc7fia._file
Verdict:
unknown
Similar samples:
4150a27d5643798e839094c82974adda9442da4561a68c54e8f105a6ae6fe299
AgentTesla
580930d1a3f4ce1e942b21e4a6b400071952241e6f17bceee44c1fd5621f9190
AgentTesla
69fd7fce357ff849a34d669c808cd75adbd9bdbe8999bc035d353a7f235c6169
AgentTesla
6abef497f9ed98985aba0400a345084440567aa3a8a465041fe8bff27f99c787
AgentTesla
988ff31d08c32bd5ab285d8d10f5dc101aac63504332564092f7b25340f6a241
AgentTesla
a348251ca8856d6984701e79b0946e27410542a8d6769bc0d902239ff41efc9f
AgentTesla
acef143204e66bd0ef761c302176d61d547b9bfd78960c7607a9863bdafaae19
AgentTesla
affd83be5d05968f9cc89bef507fbcceeb80171852c58b024a39f93cf9d755f8
AgentTesla
f26c6e863a8d2530820de8407917264d029ae36a470609646fdae8145134cac5
AgentTesla
f3a30108ab40b7f31ad7ad191bb41bd3ad148d09597705c1ec0bc0352d18c29e
AgentTesla
+ 8 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200821-th72wje2we/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/939589f47802dc8857577fa740f59b8bbf3ff7b2333cc46596e518d01642f950

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

rar a4e8bb990527dcc911253ab508c9a0c86d42140ab5538891505d4a4b23a28d4a

AgentTesla

Executable exe 939589f47802dc8857577fa740f59b8bbf3ff7b2333cc46596e518d01642f950

(this sample)

  
Dropped by
MD5 c5caaedb423256435dfe2493e1752fb6
  
Dropped by
SHA256 a4e8bb990527dcc911253ab508c9a0c86d42140ab5538891505d4a4b23a28d4a
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/49462/

Comments