MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d56a03b999ae6e936a1524b6b59aae00273a4bcfa41497b57b1ea9d5ebadd8b. 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 2 File information Comments

SHA256 hash: 3d56a03b999ae6e936a1524b6b59aae00273a4bcfa41497b57b1ea9d5ebadd8b
SHA3-384 hash: a06563cc80a35b7cc4aeca3693a78d106b19d355f9d91cb91decb6ec2816c765c7a89b49a7e73113a5e7ded4abd910fb
SHA1 hash: 481422b7d7afaf0019d58e4694415f01beb93080
MD5 hash: 56eb49cbb5d69cdc233dd004eedc1aba
humanhash: yankee-winner-timing-cat
File name:4GWlrE5lQZ3zMsb.exe
Download: download sample
Signature AgentTesla
File size:964'608 bytes
First seen:2022-12-05 08:12:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:tWsn+B+hHrE9eh1U6GCBGce7w7En1gSp4TX9jW:tWwy+xrE941U0pe7w7EnOSCz
Threatray 23'337 similar samples on MalwareBazaar
TLSH T1C025127337268FADD55A07B644B0827002776E4C3891DA0DAA95BFEB3B373436056CA7
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Verdict:
Malicious
Threat level:
  10/10
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
Adds a directory exclusion to Windows Defender
Connects to many ports of the same IP (likely port scanning)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
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: 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 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: 760543 Sample: 4GWlrE5lQZ3zMsb.exe Startdate: 05/12/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 6 other signatures 2->74 7 4GWlrE5lQZ3zMsb.exe 7 2->7         started        11 esSJC.exe 5 2->11         started        13 esSJC.exe 2->13         started        15 AhDtijZ.exe 3 2->15         started        process3 file4 48 C:\Users\user\AppData\Roaming\AhDtijZ.exe, PE32 7->48 dropped 50 C:\Users\user\...\AhDtijZ.exe:Zone.Identifier, ASCII 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmpA76E.tmp, XML 7->52 dropped 54 C:\Users\user\...\4GWlrE5lQZ3zMsb.exe.log, ASCII 7->54 dropped 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->88 90 May check the online IP address of the machine 7->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->92 100 2 other signatures 7->100 17 4GWlrE5lQZ3zMsb.exe 17 6 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        26 4GWlrE5lQZ3zMsb.exe 7->26         started        94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 28 esSJC.exe 11->28         started        30 schtasks.exe 11->30         started        98 Injects a PE file into a foreign processes 13->98 32 esSJC.exe 13->32         started        34 schtasks.exe 13->34         started        signatures5 process6 dnsIp7 56 ftp.deconbrio.com 143.95.110.250, 21, 37886, 41545 ASMALLORANGE1US United States 17->56 58 api.ipify.org.herokudns.com 54.91.59.199, 443, 49701, 49710 AMAZON-AESUS United States 17->58 66 2 other IPs or domains 17->66 44 C:\Users\user\AppData\Roaming\...\esSJC.exe, PE32 17->44 dropped 46 C:\Users\user\...\esSJC.exe:Zone.Identifier, ASCII 17->46 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file / registry access) 17->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->80 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        60 3.220.57.224, 443, 49708 AMAZON-AESUS United States 28->60 62 api.ipify.org 28->62 82 Installs a global keyboard hook 28->82 40 conhost.exe 30->40         started        64 api.ipify.org 32->64 84 Tries to harvest and steal ftp login credentials 32->84 86 Tries to harvest and steal browser information (history, passwords, etc) 32->86 42 conhost.exe 34->42         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-30 03:36:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
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 SetWindowsHookEx
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
Looks up external IP address via web service
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:
73691a26852d7be383f21fb1477617a12eb43447c66b37f014e1938142d951ad
MD5 hash:
ca6782c1df6f3d64abc407ff6727e002
SHA1 hash:
032188987d5ce09f53d21aa5a12231fd51d85c4f
SH256 hash:
39fef637ae4787505c11b34bd69d74e5f40fbc489198a4335ea86f19a0bea822
MD5 hash:
97f3ff6e9204cd72219b4399fe202d84
SHA1 hash:
02d1f5c8037bbeb37a392702cf420d361733e6de
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
SH256 hash:
a000e28f51f40830d58c277f38b69a9621cd261df82876289ea6e3080ff76928
MD5 hash:
9dbcdd52743d0ccf5ac7223d758a3fc7
SHA1 hash:
01ab24d6591d5d866d179951c39be031ed951508
SH256 hash:
3d56a03b999ae6e936a1524b6b59aae00273a4bcfa41497b57b1ea9d5ebadd8b
MD5 hash:
56eb49cbb5d69cdc233dd004eedc1aba
SHA1 hash:
481422b7d7afaf0019d58e4694415f01beb93080
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 3d56a03b999ae6e936a1524b6b59aae00273a4bcfa41497b57b1ea9d5ebadd8b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments