MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a7a104c4a8081587a59840cfa3fec585839118bc015c2f87cb7d68a819e60eb. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments

SHA256 hash: 8a7a104c4a8081587a59840cfa3fec585839118bc015c2f87cb7d68a819e60eb
SHA3-384 hash: 31245b1458b0c409f51f4d5bd73b98ff88948c644f269fb9f74d73a799355370ed48864d4a477ec9b735b77ef9a98380
SHA1 hash: 942d9095e6abf7fb7a38a219af7559f036347a6f
MD5 hash: d55d5eb77f75b75d4a957709d3cd0903
humanhash: salami-ten-berlin-alaska
File name:QUOTATION.exe
Download: download sample
Signature AgentTesla
File size:619'520 bytes
First seen:2023-11-09 14:10:11 UTC
Last seen:2023-11-09 15:16:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:YYHgoZFF6r3irQ7Or2Ncer1oUK8MSsYsR+gBoZmYDzYqmgS1S9HXOweNEfzgC:XHgo7FBriN7jK8xsYufY3YqmgfeweNyg
TLSH T177D4221A662D0017CAAE04FEE9426F8503F5B9196094F3D96D8077DA07CAFC148A77AF
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon a8a7a5898da787b8 (2 x DarkCloud, 1 x AgentTesla)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
327
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
QUOTATION.exe
Verdict:
Malicious activity
Analysis date:
2023-11-09 14:11:38 UTC
Tags:
agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1339761 Sample: QUOTATION.exe Startdate: 09/11/2023 Architecture: WINDOWS Score: 100 47 mail.quantumgenetix.com 2->47 49 api4.ipify.org 2->49 51 api.ipify.org 2->51 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 10 other signatures 2->63 8 jvhcmt.exe 5 2->8         started        11 QUOTATION.exe 7 2->11         started        14 YXMWabc.exe 2->14         started        16 YXMWabc.exe 2->16         started        signatures3 process4 file5 77 Antivirus detection for dropped file 8->77 79 Multi AV Scanner detection for dropped file 8->79 81 Machine Learning detection for dropped file 8->81 18 RegSvcs.exe 8->18         started        22 schtasks.exe 1 8->22         started        43 C:\Users\user\AppData\Roaming\jvhcmt.exe, PE32 11->43 dropped 45 C:\Users\user\AppData\Local\...\tmp7765.tmp, XML 11->45 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 11->83 85 Adds a directory exclusion to Windows Defender 11->85 24 RegSvcs.exe 16 4 11->24         started        27 powershell.exe 23 11->27         started        29 schtasks.exe 1 11->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 53 mail.quantumgenetix.com 69.27.116.4, 49736, 49743, 587 VDCCA Canada 18->53 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 69 Tries to harvest and steal browser information (history, passwords, etc) 18->69 71 Installs a global keyboard hook 18->71 35 conhost.exe 22->35         started        55 api4.ipify.org 64.185.227.156, 443, 49732, 49735 WEBNXUS United States 24->55 41 C:\Users\user\AppData\Roaming\...\YXMWabc.exe, PE32 24->41 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->75 37 conhost.exe 27->37         started        39 conhost.exe 29->39         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.FormBook
Status:
Malicious
First seen:
2023-11-09 09:12:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
SH256 hash:
c653d576c30670a2996e6aabb18d07eb756d84d5c8d98569d98e038f6da48d62
MD5 hash:
4f93445b40f5625f36b6814d67722e31
SHA1 hash:
349a75b98c6534b38f50a1de8dde6eecd4e069aa
SH256 hash:
895468c2b799662cabec8b1d9f6af03971ddf94d5513f1fd27cda01ebf647e3c
MD5 hash:
b654fc25cf4d7a597d08e855a99be641
SHA1 hash:
13489d02b6b6bcb78a55082a53a88656c5f2d5de
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
8a7a104c4a8081587a59840cfa3fec585839118bc015c2f87cb7d68a819e60eb
MD5 hash:
d55d5eb77f75b75d4a957709d3cd0903
SHA1 hash:
942d9095e6abf7fb7a38a219af7559f036347a6f
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Other

Comments