MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 756adc8775f56283c25fd9e5a3411fa69d0b4151378f4540ec2716ed7f9c7f92. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 756adc8775f56283c25fd9e5a3411fa69d0b4151378f4540ec2716ed7f9c7f92
SHA3-384 hash: 3912d7d98b6bdc032bd4922dd48e1688b7f395cc40bb223ec07ce02350633de33a38275da5e33394a5ec9a1db082fa6c
SHA1 hash: 2ac76d9872836caee8f03e890c32fa80fd3f126c
MD5 hash: c0586c55458e89ec086e18128464ae58
humanhash: charlie-wyoming-eight-emma
File name:Quote022422.exe
Download: download sample
Signature AgentTesla
File size:995'328 bytes
First seen:2022-04-15 04:28:33 UTC
Last seen:2022-04-20 10:21:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'861 x AgentTesla, 19'793 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 24576:h7YSvOoRG6mft/dD3wAVu8lmQEbc336GxQhU1M666WG6exvvPBv0abqU3LgWC61V:VOyE/aQi
Threatray 15'777 similar samples on MalwareBazaar
TLSH T1C4253A23271D1BA7E27F96F2986C101109F19B5AC13ACF3E7CC340C458E9A657BA1B5B
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
330
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Quote022422.exe
Verdict:
Malicious activity
Analysis date:
2022-04-15 04:31:45 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
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 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 / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609746 Sample: Quote022422.exe Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 28 us2.smtp.mailhostbox.com 2->28 30 smtp.medexholdinglk.com 2->30 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 5 other signatures 2->52 7 Quote022422.exe 3 2->7         started        11 ocDFlo.exe 3 2->11         started        13 ocDFlo.exe 2 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\Quote022422.exe.log, ASCII 7->26 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->58 15 Quote022422.exe 2 5 7->15         started        60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 64 Injects a PE file into a foreign processes 11->64 20 ocDFlo.exe 2 11->20         started        signatures6 process7 dnsIp8 32 208.91.199.224, 49773, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->32 34 us2.smtp.mailhostbox.com 208.91.198.143, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->34 36 2 other IPs or domains 15->36 22 C:\Users\user\AppData\Roaming\...\ocDFlo.exe, PE32 15->22 dropped 24 C:\Users\user\...\ocDFlo.exe:Zone.Identifier, ASCII 15->24 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file / registry access) 15->40 42 Tries to harvest and steal ftp login credentials 15->42 44 2 other signatures 15->44 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-14 23:36:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Unpacked files
SH256 hash:
c611a6ceb263401ed18ff93961bd6d0cdf8757e48d8e76b13943e85b9d3b5a0b
MD5 hash:
f9b293305bd04eee511c0ffd0e7f29d7
SHA1 hash:
fd981a9537a903422311f582defc1c8fd97248af
SH256 hash:
7d170109f352f251d7ac012882e005b059b0db5ecce7520acf7be2ba8f13792a
MD5 hash:
72403055ee098f50bcc8a238fdbef878
SHA1 hash:
eb5ed9b38f5a23bb00b221acf3f7233aa2e9299d
SH256 hash:
f7cfefeeb635a25ea33b8921d2da4b46d0f301fded20f297921769ad664760e5
MD5 hash:
fc05ef30d9d06337930de3d0cd958426
SHA1 hash:
b1b9ae6702b163a47fcb6151eb9cd45c337afa38
SH256 hash:
21da0a74bf4268a9ce468230c1dfa9b1ac8ae5d59bc9fa3c9a5c41d5c7684fd2
MD5 hash:
796fb628f699a0d18448eb2e4ef11b69
SHA1 hash:
7aa8b830afc32a9a7ea5c0f79c894cf42c49df64
SH256 hash:
2f5e8565dcdd23cf6495cb48f575086121ce45699155e225b9c6c5a84b2c37b5
MD5 hash:
1ee372d5ebaf08aa42aedb8c55201734
SHA1 hash:
1af7cebc8584e014cb017a2b425a267160c13691
SH256 hash:
756adc8775f56283c25fd9e5a3411fa69d0b4151378f4540ec2716ed7f9c7f92
MD5 hash:
c0586c55458e89ec086e18128464ae58
SHA1 hash:
2ac76d9872836caee8f03e890c32fa80fd3f126c
Malware family:
AgentTesla
Verdict:
Malicious
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Malspam

AgentTesla

Executable exe 756adc8775f56283c25fd9e5a3411fa69d0b4151378f4540ec2716ed7f9c7f92

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments