MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ac706b6fe1af38091271422e7b896393f32f34924e84f15ac296d837ce56605. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 6ac706b6fe1af38091271422e7b896393f32f34924e84f15ac296d837ce56605
SHA3-384 hash: e0238663fc8084636ffe66579e779ffc77094c4b8e2bec833cfaacc8ada82cef1c5488e69c3017d69d92042f8fa42f01
SHA1 hash: 7c05cb70d03b4252291f24669ff5ce1d0281125e
MD5 hash: cd6acaaa8d7e316388538c452a1adbcc
humanhash: mike-kentucky-carolina-monkey
File name:documents.exe
Download: download sample
Signature AgentTesla
File size:736'768 bytes
First seen:2022-05-23 12:51:41 UTC
Last seen:2022-05-23 13:58:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:s0QfsLeVvfR8mCkH3Qqi6fyBMYQX6sFtRP28Upv7lgpewxE7GO3HYcBLz:VQkyBfmmUVqyuBxIp+pewxHE4cl
Threatray 16'725 similar samples on MalwareBazaar
TLSH T1B8F4F15976A5DE13D2681771C0C3542413B185AB7273D78B3E9E03E60E423AA5FCAB8F
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 65e4d2eaecc4d859 (17 x AgentTesla, 7 x SnakeKeylogger, 7 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
documents.exe
Verdict:
Malicious activity
Analysis date:
2022-05-24 01:25:50 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
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe obfuscated packed replace.exe
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.adwa.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
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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
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)
Modifies the hosts file
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
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632289 Sample: documents.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 12 other signatures 2->62 7 documents.exe 7 2->7         started        11 Tnpak.exe 2 2->11         started        13 Tnpak.exe 2->13         started        process3 file4 36 C:\Users\user\AppData\...behaviorgraphDpwksmYDTW.exe, PE32 7->36 dropped 38 C:\Users\...behaviorgraphDpwksmYDTW.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmpDC89.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\documents.exe.log, ASCII 7->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 66 Writes to foreign memory regions 7->66 68 Adds a directory exclusion to Windows Defender 7->68 70 Injects a PE file into a foreign processes 7->70 15 RegSvcs.exe 2 4 7->15         started        20 powershell.exe 25 7->20         started        22 schtasks.exe 1 7->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 44 subnet-group.com 206.189.39.129, 49776, 587 DIGITALOCEAN-ASNUS United States 15->44 46 mail.subnet-group.com 15->46 32 C:\Users\user\AppData\Roaming\...\Tnpak.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 5 other signatures 15->54 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2022-05-18 08:59:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 41 (65.85%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
97527da0af9e8321eb6aa2c760bc3a6453341b0fef90c44595a02945c2dd3144
MD5 hash:
332f0164e6b19699174c491d839d6ec9
SHA1 hash:
eadeadeaf7bf3978d86d633bd054e4ff317ecc40
SH256 hash:
8eea34761755bde6873f711d42e0cea8c3a08b702c192fb02749c0a6af01c7ec
MD5 hash:
41e199eb276a7ead0799dbf2948af888
SHA1 hash:
58e52db4474a979245a79d8f7686eff2f7be6f5f
SH256 hash:
23f7518574078d0e5029a2fc57f9590cd1c2973f766fdb256f176469ee527c4d
MD5 hash:
2889055fdd0b37f0d28fe40ab5fc145e
SHA1 hash:
53e6ff3cd6e95a0f393eb7a9c6890eb569db3fae
SH256 hash:
3443d64e9b6df82eceb506d8fba3d9b494646c12b75713e68068450df73ee617
MD5 hash:
5ace5796a254b514444c21679bc19dbf
SHA1 hash:
4b21744d0608c65f28fa4b9a8b70c53248e74231
SH256 hash:
b2ab75eaaabf4bc91ac8531a7a6141c0ea1142ef31f54007dabf5bb5252cf82b
MD5 hash:
f49fd889aa7f90e67c4ade7e11807742
SHA1 hash:
0fb318201d4814c02ebbeb1aba4cd7fbf6a47f94
SH256 hash:
6ac706b6fe1af38091271422e7b896393f32f34924e84f15ac296d837ce56605
MD5 hash:
cd6acaaa8d7e316388538c452a1adbcc
SHA1 hash:
7c05cb70d03b4252291f24669ff5ce1d0281125e
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: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 6ac706b6fe1af38091271422e7b896393f32f34924e84f15ac296d837ce56605

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments