MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c8dd4f415d77ea097b6276a2a7d837192de73ab61e0d20ac1e7f5d04298c3e3. 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 4 File information Comments

SHA256 hash: 0c8dd4f415d77ea097b6276a2a7d837192de73ab61e0d20ac1e7f5d04298c3e3
SHA3-384 hash: dba014f547812e9c288623d5e0db193cb2a91f819f168648e66bfd78018113770c7d7fa2bdf797dd7f8ff4c3dda6e13f
SHA1 hash: 2333b52f20b51a0c8fc993eeae4721535e4e9d26
MD5 hash: 799609e3ca210bf44a0caf9f64a347e0
humanhash: rugby-sixteen-sodium-wolfram
File name:documents.exe
Download: download sample
Signature AgentTesla
File size:1'089'536 bytes
First seen:2022-04-11 11:42:56 UTC
Last seen:2022-04-11 12:43:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:U+YdBqCebfeuXVgO3fEc9JV6xnOVyDZTg:U+YdBqCafeEVGOJExn3DZTg
Threatray 15'797 similar samples on MalwareBazaar
TLSH T12C35F1616B669583F2F9263044AAEAF132F132854136F3ADBC88C2747FD12C4D9517EA
File icon (PE):PE icon
dhash icon 70ccb26969b2cc71 (35 x AgentTesla, 13 x Formbook, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
documents.exe
Verdict:
Malicious activity
Analysis date:
2022-04-12 04:10:09 UTC
Tags:
n/a

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
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
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
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 607021 Sample: documents.exe Startdate: 11/04/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 12 other signatures 2->56 7 documents.exe 6 2->7         started        11 wZzDLLs.exe 2 2->11         started        13 wZzDLLs.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\lsHjka.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp2676.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\documents.exe.log, ASCII 7->36 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 7->58 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 atifnazar.com 212.8.242.106, 49730, 587 WORLDSTREAMNL Netherlands 15->38 40 mail.atifnazar.com 15->40 28 C:\Users\user\AppData\Roaming\...\wZzDLLs.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2022-04-11 11:43:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
80
AV detection:
16 of 26 (61.54%)
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:
48e6c6c210d38bd65f4af00afbcc95b3ec96efaec92dccada7025e0f2f4a7b0c
MD5 hash:
1d19cc8236c559e9d1b4ad87c357d8c0
SHA1 hash:
d5de3051c8972e9c7f65039611a70c20699c2617
SH256 hash:
6f9f80780592cea1f132486a46ef7af6194a27890da2cd8ce5d377a7990c199c
MD5 hash:
84bb37394d68a274ee03cbc254dfc2e7
SHA1 hash:
8bd47f3801fc2da35b82f0c5df74e7ae8eee06bc
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
0c8dd4f415d77ea097b6276a2a7d837192de73ab61e0d20ac1e7f5d04298c3e3
MD5 hash:
799609e3ca210bf44a0caf9f64a347e0
SHA1 hash:
2333b52f20b51a0c8fc993eeae4721535e4e9d26
Malware family:
AgentTesla.v3
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:pe_imphash
Rule name:quakbot_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
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 0c8dd4f415d77ea097b6276a2a7d837192de73ab61e0d20ac1e7f5d04298c3e3

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments