MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ac99a0d6380c05c5cd8062d20855f96cc600cc22412c3dc1117b040dca19c00. 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 4 File information Comments

SHA256 hash: 2ac99a0d6380c05c5cd8062d20855f96cc600cc22412c3dc1117b040dca19c00
SHA3-384 hash: 7798c9eab76d412dd61655b23a999523a80fa12b6559d787335cef531955ed18e3c0129ba45abd0c822afa84251c9878
SHA1 hash: b51c408aaffabdff0197b70874576427286b07ca
MD5 hash: 3bf3785218f33aa14c765c90733ae9a5
humanhash: asparagus-seventeen-football-blossom
File name:RFQ 00923 NASS.pdf(46kb).exe
Download: download sample
Signature AgentTesla
File size:2'244'608 bytes
First seen:2022-12-05 11:16:10 UTC
Last seen:2022-12-05 13:43:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 49152:dQzR2sN83NO1DMF44vg/olXCTOU2PUWwnnV:d4RLN8lFBI/ywBNWgV
Threatray 20'861 similar samples on MalwareBazaar
TLSH T1B9A522392572EF60CA9F3875EA4386F40413DE42ED9623DF39983E2AB6311A4F535247
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 232b515173695d41 (14 x Formbook, 14 x AgentTesla, 6 x NanoCore)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
197
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
RFQ 00923 NASS.pdf(46kb).exe
Verdict:
Malicious activity
Analysis date:
2022-12-05 15:41:42 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 file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
DNS request
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
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
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
May check the online IP address of the machine
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 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 the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 760697 Sample: RFQ 00923 NASS.pdf(46kb).exe Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 11 other signatures 2->40 6 Widbqza.exe 1 2->6         started        9 RFQ 00923 NASS.pdf(46kb).exe 1 4 2->9         started        12 Widbqza.exe 2->12         started        process3 file4 42 Antivirus detection for dropped file 6->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->44 46 May check the online IP address of the machine 6->46 48 2 other signatures 6->48 14 Widbqza.exe 14 3 6->14         started        20 C:\Users\user\AppData\Roaming\...\Widbqza.exe, PE32 9->20 dropped 22 C:\Users\user\...\Widbqza.exe:Zone.Identifier, ASCII 9->22 dropped 24 C:\Users\...\RFQ 00923 NASS.pdf(46kb).exe.log, ASCII 9->24 dropped 18 RFQ 00923 NASS.pdf(46kb).exe 15 3 9->18         started        signatures5 process6 dnsIp7 26 api.ipify.org 14->26 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Tries to steal Mail credentials (via file / registry access) 14->52 54 Tries to harvest and steal ftp login credentials 14->54 56 Tries to harvest and steal browser information (history, passwords, etc) 14->56 28 api.telegram.org 149.154.167.220, 443, 49699, 49702 TELEGRAMRU United Kingdom 18->28 30 api.ipify.org.herokudns.com 54.91.59.199, 443, 49698, 49701 AMAZON-AESUS United States 18->30 32 api.ipify.org 18->32 signatures8
Threat name:
ByteCode-MSIL.Backdoor.NetWiredRc
Status:
Malicious
First seen:
2022-12-05 11:17:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 26 (80.77%)
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
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5929276366:AAH8wlyPTeyi1JmYLxR5khFcCQt2TP4Q_do/
Unpacked files
SH256 hash:
68d29e4066a02789ef42434b2947abe03e680641ca6afd7a46f70a563addf31b
MD5 hash:
ee0e2076c1cdbe151cd4a574170e8bd3
SHA1 hash:
8c4a5eaf62598ea305d4d60c3b931782662ef780
SH256 hash:
d532add0f8d2170b55d50b77e5ae86464186e2bc5cf0f69be4b2254852486631
MD5 hash:
b6196959ef6e2955b785460b06c7d7f2
SHA1 hash:
5e525929c37b133973eabb72346b8a5380958d9b
SH256 hash:
2ac99a0d6380c05c5cd8062d20855f96cc600cc22412c3dc1117b040dca19c00
MD5 hash:
3bf3785218f33aa14c765c90733ae9a5
SHA1 hash:
b51c408aaffabdff0197b70874576427286b07ca
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_d3ac2b2f
Author:Elastic Security

File information


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

Malspam

AgentTesla

Executable exe 2ac99a0d6380c05c5cd8062d20855f96cc600cc22412c3dc1117b040dca19c00

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments