MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99dcc8fa5f3b1a9be8a0a70eb16a30bf06b8b0b618504b649470c7bdd87a5a5a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 99dcc8fa5f3b1a9be8a0a70eb16a30bf06b8b0b618504b649470c7bdd87a5a5a
SHA3-384 hash: 52fc86085f2c5b8b2adf1acdf2475d22da0b3e23edab349464c1a38f416407cf6d6235add6828899517ae1030513d3e6
SHA1 hash: dfae4dfb03444d0d8cd97d395f45b83315a7a1a5
MD5 hash: c0b1afb1c4a08919dcc1df352c880799
humanhash: montana-quebec-three-eighteen
File name:DDC payment.exe
Download: download sample
Signature AgentTesla
File size:465'408 bytes
First seen:2022-06-10 01:56:32 UTC
Last seen:2022-06-10 03:18:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:QertCDiKVnVDi3lhvhfR0AT6Hbw4KgpznR5H:5r3KyVhJJOlj/1
TLSH T119A49D20276C6FA2E57FDBB541A1811047F2950FFB23E52A7EE708DE1855F0047B2BA6
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter cocaman
Tags:AgentTesla exe payment

Intelligence


File Origin
# of uploads :
3
# of downloads :
328
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
DDC payment.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 01:59:18 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
Sending a custom TCP request
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger 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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Executable has a suspicious name (potential lure to open the executable)
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 domain / URL
Multi AV Scanner detection for dropped 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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643051 Sample: DDC payment.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 37 shekharlogistics.com 2->37 39 mail.shekharlogistics.com 2->39 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 13 other signatures 2->55 8 DDC payment.exe 6 2->8         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\ujtwCqSHVIq.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\...\tmp569B.tmp, XML 8->29 dropped 31 C:\Users\user\AppData\...\DDC payment.exe.log, ASCII 8->31 dropped 15 RegSvcs.exe 2 4 8->15         started        19 schtasks.exe 1 8->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        process6 file7 33 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->41 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->43 45 Tries to steal Mail credentials (via file / registry access) 15->45 47 5 other signatures 15->47 25 conhost.exe 19->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2022-06-10 01:43:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
e3b21b7cacac3bf3620e59421b29a95001d72ff7a37445b981f5a7efa8bc9520
MD5 hash:
872a97770e1db81df7347d23acacb024
SHA1 hash:
054ce4f21c99c9ab8199f4502d8c6f61ed86997e
SH256 hash:
99dcc8fa5f3b1a9be8a0a70eb16a30bf06b8b0b618504b649470c7bdd87a5a5a
MD5 hash:
c0b1afb1c4a08919dcc1df352c880799
SHA1 hash:
dfae4dfb03444d0d8cd97d395f45b83315a7a1a5
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: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 99dcc8fa5f3b1a9be8a0a70eb16a30bf06b8b0b618504b649470c7bdd87a5a5a

(this sample)

Comments