MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 757608c43f7f5f67b5a82a2255fb616b6217b683c79ad12d8f6a86a40866e727. 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: 12


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 757608c43f7f5f67b5a82a2255fb616b6217b683c79ad12d8f6a86a40866e727
SHA3-384 hash: e7fe8d2dd491f624ff49253c70a20a1ed311006a7bb6403322d051f450c34f5d42f534174160be6f456ba313bfc7a1bb
SHA1 hash: 02516e076a1972674a9081604624b6f17534a389
MD5 hash: 563fda5da81a5e7818d771222e81f6c4
humanhash: quiet-pluto-triple-jersey
File name:563fda5da81a5e7818d771222e81f6c4.exe
Download: download sample
Signature AgentTesla
File size:920'576 bytes
First seen:2022-07-23 15:55:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d516d5168ad28c9c6268d5dbd555a673 (3 x AveMariaRAT, 2 x RemcosRAT, 2 x DBatLoader)
ssdeep 24576:3l5YzsDC+AbbRovDGw3Ny4EYysaxtVSn52pAf2rDNtl2aCHX:3rGJ3bNSn52KN
TLSH T1C4158D26E2A1CD33D0232A7E4D0A76A15C2E7F103D29F9963AE93D485FF964135293D3
TrID 68.5% (.OCX) Windows ActiveX control (116521/4/18)
8.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
7.7% (.SCR) Windows screen saver (13101/52/3)
6.1% (.EXE) Win64 Executable (generic) (10523/12/4)
2.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 27d0d8d6d6d8d023 (11 x RemcosRAT, 6 x DBatLoader, 5 x ModiLoader)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.thesharpening.com.au:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
459
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Launching a process
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger 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, DBatLoader
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad
Score:
100 / 100
Signature
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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)
Yara detected AgentTesla
Yara detected DBatLoader
Yara detected Generic Downloader
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 672286 Sample: zNVFbYqYOB.exe Startdate: 23/07/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 4 other signatures 2->68 8 zNVFbYqYOB.exe 1 22 2->8         started        13 Eqksfb.exe 14 2->13         started        15 Eqksfb.exe 17 2->15         started        process3 dnsIp4 48 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49745, 49753 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->48 50 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49743, 49747 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->50 56 3 other IPs or domains 8->56 34 C:\Users\Public\Librariesqksfb.exe, PE32 8->34 dropped 36 C:\Users\Public\LibrariesqksfbO.bat, ASCII 8->36 dropped 38 C:\Users\...qksfb.exe:Zone.Identifier, ASCII 8->38 dropped 82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->82 84 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->84 86 Injects a PE file into a foreign processes 8->86 88 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 8->88 17 zNVFbYqYOB.exe 6 8->17         started        22 cmd.exe 1 8->22         started        52 onedrive.live.com 13->52 58 2 other IPs or domains 13->58 90 Multi AV Scanner detection for dropped file 13->90 24 Eqksfb.exe 4 13->24         started        54 onedrive.live.com 15->54 60 2 other IPs or domains 15->60 file5 signatures6 process7 dnsIp8 40 thesharpening.com.au 139.99.142.16, 49821, 49853, 49863 OVHFR Canada 17->40 42 192.168.2.1 unknown unknown 17->42 44 mail.thesharpening.com.au 17->44 32 C:\Windows\System32\drivers\etc\hosts, ASCII 17->32 dropped 70 Modifies the hosts file 17->70 72 Installs a global keyboard hook 17->72 26 cmd.exe 1 22->26         started        28 conhost.exe 22->28         started        46 mail.thesharpening.com.au 24->46 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->74 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal ftp login credentials 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 file9 signatures10 process11 process12 30 conhost.exe 26->30         started       
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2022-07-23 08:38:30 UTC
File Type:
PE (Exe)
Extracted files:
40
AV detection:
22 of 40 (55.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Gathering data
Unpacked files
SH256 hash:
e5cee39f56c43d207f40862077d5b015e62929ff21f9de4e45c3b958c8947770
MD5 hash:
0de7dbbda445e257c9169774b9a8000b
SHA1 hash:
23ab78a6fdd513f2b3877efc92a71fe7d44db0db
SH256 hash:
757608c43f7f5f67b5a82a2255fb616b6217b683c79ad12d8f6a86a40866e727
MD5 hash:
563fda5da81a5e7818d771222e81f6c4
SHA1 hash:
02516e076a1972674a9081604624b6f17534a389
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Web download

AgentTesla

Executable exe 757608c43f7f5f67b5a82a2255fb616b6217b683c79ad12d8f6a86a40866e727

(this sample)

  
Delivery method
Distributed via web download

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