MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e1aaa518bf013e5edde6177d4dd09bd6a0fb6e3dfa08cb3bdcbe25f5ba53797. 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: 6e1aaa518bf013e5edde6177d4dd09bd6a0fb6e3dfa08cb3bdcbe25f5ba53797
SHA3-384 hash: 3154a7d50f8b399fc074fa7ce5a67433beff19331c74a75d93c693dd607ec69cc0eb39edb40a9e5137bd32a273a3a711
SHA1 hash: ee9b87af0b9a5ff382d7ed7de754ddb537ac43a6
MD5 hash: d108de855aa2a982164cd01b7f5c08ee
humanhash: alanine-neptune-kentucky-muppet
File name:QUATATION.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'028'608 bytes
First seen:2021-04-07 04:07:02 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 24576:0Rlo9huSgT8G4e6ogSlNAwms6Ya3Xl6DV4uhB2d8:0RlehuSah6jgNRmsWXGquOK
Threatray 3'731 similar samples on MalwareBazaar
TLSH 6C25CF413245D996D4431AF288AFC5605178FDDE9423CB0E2742BB2A64F734E2CDBB9E
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUATATION.exe
Verdict:
Malicious activity
Analysis date:
2021-04-07 04:08:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1592f507-a40d-45bd-8424-dc27f3263f51

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/132722/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.15993.6750.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
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
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 Telegram RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/668173
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Sigma detected: Scheduled temp file as task from temp location
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 383017 Sample: QUATATION.exe Startdate: 07/04/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 8 other signatures 2->33 7 QUATATION.exe 6 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\SFtRZN.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpE09F.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\QUATATION.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 2 other signatures 7->41 11 QUATATION.exe 15 8 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 api.telegram.org 149.154.167.220, 443, 49775 TELEGRAMRU United Kingdom 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6e1aaa518bf013e5edde6177d4dd09bd6a0fb6e3dfa08cb3bdcbe25f5ba53797/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-07 02:47:29 UTC
AV detection:
10 of 48 (20.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nynkuuml6aj6l3o6mf35jxijxvva7nxd36qizm55zprf6w5fg6lq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1fcdd3e4723f498ec7e20fddc287aaddc0ac8858efeaceac6e098230b7efef9c
AgentTesla
23eb242e4f23685da9d82fba572f068eb1ba1ea55f20bde41f30bd180e5688fd
AgentTesla
5addbb97f366e6c67f6f75285db24efdf0d842a8866256b81bc12ba7506abefd
AgentTesla
6609cf9b0aefabaaf1bccc04237e6ff32315960166bf4aa2ff5372cfb51c80d3
AgentTesla
6ba8c40649c6be2f68bcf24452060cc9f8d6df91db26ec889b1e57481fab55dd
AgentTesla
8162cf6f133e3ca6b1d746392a3dea17cc8089a1cc8f46ea6dd8ad30567633f8
AgentTesla
9149cf95959a068da5124ff980283c61e58cf6ca8458684a2400283362f4ab43
AgentTesla
c5f064df304184942a8f7c5141a5eadc527d22122ab8d4135e8cf40025c7a879
AgentTesla
ccaed6d340b8a3072f1c577047ad975f0678128f4a0516cb40b8acb327037bc0
AgentTesla
f71e2502fed0fa64fd2bc7923c2135dca427d8c3f33b3da764562a6302657b8b
AgentTesla
+ 3'721 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/210407-4fk4v6tjg6/
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1617573926:AAHNsFP1OMw1hdG4MptOqkYtuw7UzEZ22WU/sendDocument
Unpacked files
SH256 hash:
5eb9a2508a37621cbc5eafa1752697728d11c6f7078e6e7fa21ac862706feb34
MD5 hash:
e0f8dab2b1c7c44a46c9a647df5cc5df
SHA1 hash:
ebd122b03bcd2fbe67ae26374a862927e915193a
Link:
https://www.unpac.me/results/454ca5e0-ae09-4f65-b636-7fec7b151cb8/
SH256 hash:
a42bdf59175ecac5d9c0df14cc1308be39609e5433591503b8ad181110f2d65a
MD5 hash:
716434026d76c3f8d56d7dc8faa569bd
SHA1 hash:
bc1ecf12fcb44333301b00e89335d06ad5683505
Link:
https://www.unpac.me/results/454ca5e0-ae09-4f65-b636-7fec7b151cb8/
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
Link:
https://www.unpac.me/results/454ca5e0-ae09-4f65-b636-7fec7b151cb8/
SH256 hash:
6e1aaa518bf013e5edde6177d4dd09bd6a0fb6e3dfa08cb3bdcbe25f5ba53797
MD5 hash:
d108de855aa2a982164cd01b7f5c08ee
SHA1 hash:
ee9b87af0b9a5ff382d7ed7de754ddb537ac43a6
Link:
https://www.unpac.me/results/454ca5e0-ae09-4f65-b636-7fec7b151cb8/
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/6e1aaa518bf013e5edde6177d4dd09bd6a0fb6e3dfa08cb3bdcbe25f5ba53797

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

zip 0c1f3b2a1ad7435a0096c508a947841c0f87f2bad3e43be1539d1570073493c3

AgentTesla

Executable exe 6e1aaa518bf013e5edde6177d4dd09bd6a0fb6e3dfa08cb3bdcbe25f5ba53797

(this sample)

  
Dropped by
MD5 0186a76dbc7ee5ee38ceab98b842cea8
  
Dropped by
SHA256 0c1f3b2a1ad7435a0096c508a947841c0f87f2bad3e43be1539d1570073493c3
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/132722/

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