MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34142a0bcf95881a4fead99f07d0af14054cbce1ed9caf81a35e72b547e8ff9b. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 34142a0bcf95881a4fead99f07d0af14054cbce1ed9caf81a35e72b547e8ff9b
SHA3-384 hash: c2be1afa6890426c84353ceebbef4db103345f6f1085524be6a555281ffc9039e839c4d6f267e1e6f4058278b5c269d5
SHA1 hash: cfc1a27a1395910679915ad90b5ef030bc57d736
MD5 hash: 95f4bab91eb981903888bdb5c83a9a9f
humanhash: sixteen-mobile-football-washington
File name:Purchase Contract.exe
Download: download sample
Signature AgentTesla
File size:545'792 bytes
First seen:2023-10-18 15:25:48 UTC
Last seen:2023-10-18 15:40:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:3ka5qKAiof31so4vOALH01FItxdwnYqqoY9vu34JM7w/:3ksCv2o4nLUACnY3i
Threatray 500 similar samples on MalwareBazaar
TLSH T13AC4AD7471EB2BD5D336EBF5438A2C4883EAF176521EF91B2ED6C282701DE409F02665
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe Shipping

Intelligence


File Origin
# of uploads :
2
# of downloads :
308
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Purchase Contract.exe
Verdict:
Malicious activity
Analysis date:
2023-10-18 16:46:52 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
Sending a custom TCP request
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Searching for the window
Creating a window
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated 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:
n/a
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 contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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 dnsIp2 2 Behavior Graph ID: 1328111 Sample: Purchase_Contract.exe Startdate: 18/10/2023 Architecture: WINDOWS Score: 100 32 MAIL.elec-qatar.com 2->32 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 12 other signatures 2->42 8 Purchase_Contract.exe 6 2->8         started        12 EAFLufkFfrDk.exe 5 2->12         started        signatures3 process4 file5 28 C:\Users\user\AppData\...AFLufkFfrDk.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\Local\...\tmpCCDE.tmp, XML 8->30 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->46 48 Uses schtasks.exe or at.exe to add and modify task schedules 8->48 50 Injects a PE file into a foreign processes 8->50 14 Purchase_Contract.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        52 Antivirus detection for dropped file 12->52 54 Multi AV Scanner detection for dropped file 12->54 56 Machine Learning detection for dropped file 12->56 20 EAFLufkFfrDk.exe 2 12->20         started        22 schtasks.exe 1 12->22         started        signatures6 process7 dnsIp8 34 MAIL.elec-qatar.com 50.87.139.143, 49716, 49718, 587 UNIFIEDLAYER-AS-1US United States 14->34 24 conhost.exe 18->24         started        58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->58 60 Tries to steal Mail credentials (via file / registry access) 20->60 62 Tries to harvest and steal browser information (history, passwords, etc) 20->62 26 conhost.exe 22->26         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-10 04:15:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer 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
Checks computer location settings
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:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
SH256 hash:
580ae03750b1462c685e1b5d60d1225f8fd37b797b88ef5a6342766f5dd0b46d
MD5 hash:
ac248307fa7f40b1794643f14ed67776
SHA1 hash:
419789bfb060ffdc564a66ac1b35192beb202b36
SH256 hash:
34142a0bcf95881a4fead99f07d0af14054cbce1ed9caf81a35e72b547e8ff9b
MD5 hash:
95f4bab91eb981903888bdb5c83a9a9f
SHA1 hash:
cfc1a27a1395910679915ad90b5ef030bc57d736
Malware family:
AgentTesla.v4
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: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.

Malspam

AgentTesla

Executable exe 34142a0bcf95881a4fead99f07d0af14054cbce1ed9caf81a35e72b547e8ff9b

(this sample)

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