MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 761304b05b62edeb96840c120a53d44f9af6231866a9dc01dadcad3643f0231f. 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 7 File information Comments

SHA256 hash: 761304b05b62edeb96840c120a53d44f9af6231866a9dc01dadcad3643f0231f
SHA3-384 hash: fef8c97bfb3c902c396bb59f62ebee0e72bccf4fca1fe6371ae3538c105ef24de6b68c90fb0c87cf26404ca7b8dabe6f
SHA1 hash: 40fa3c0258749db08f482efe2778911f84884b78
MD5 hash: 77ad6e3ff909ad3828bdcffd4720deac
humanhash: video-solar-finch-batman
File name:77ad6e3ff909ad3828bdcffd4720deac.exe
Download: download sample
Signature AgentTesla
File size:2'097'152 bytes
First seen:2023-04-14 06:50:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:B9ajcg7N//xtUzvPDQKj/M3J+9zpwCQJcu53DcSuEjVidvCVxGGGGGGGGHGGGGGY:B9On7N//47PDxmJ+/nouER4X
TLSH T1CFA5E124B7554A27CD2D4B77905258224B60F007F22FD30E16CF6CEB3D8B7EA528A597
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 4a696ddce4f4f261 (26 x Gozi, 9 x AgentTesla, 3 x FFDroider)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla FTP exfil server:
upload-wefiles.com:21

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
invoice-008.lnk
Verdict:
Malicious activity
Analysis date:
2023-04-14 06:11:02 UTC
Tags:
rat agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Running batch commands
Creating a file
Creating a file in the %AppData% subdirectories
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Reading critical registry keys
Setting a keyboard event handler
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed unsafe
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, Redline Clipper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to many ports of the same IP (likely port scanning)
Drops PE files with benign system names
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Schedule system process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, 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 Redline Clipper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 846629 Sample: KIjDjEz3Jb.exe Startdate: 14/04/2023 Architecture: WINDOWS Score: 100 104 upload-wefiles.com 2->104 120 Snort IDS alert for network traffic 2->120 122 Found malware configuration 2->122 124 Antivirus detection for URL or domain 2->124 126 7 other signatures 2->126 10 KIjDjEz3Jb.exe 2 2->10         started        14 svchost.exe 2->14         started        16 svchost.exe 2->16         started        18 svchost.exe 2->18         started        signatures3 process4 file5 102 C:\Users\user\AppData\...\KIjDjEz3Jb.exe.log, ASCII 10->102 dropped 148 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->148 150 May check the online IP address of the machine 10->150 152 Drops PE files with benign system names 10->152 20 KIjDjEz3Jb.exe 15 9 10->20         started        25 cmd.exe 2 10->25         started        27 cmd.exe 3 10->27         started        29 cmd.exe 1 10->29         started        154 Antivirus detection for dropped file 14->154 156 System process connects to network (likely due to code injection or exploit) 14->156 158 Multi AV Scanner detection for dropped file 14->158 160 Machine Learning detection for dropped file 14->160 31 svchost.exe 14 8 14->31         started        35 3 other processes 14->35 162 Injects a PE file into a foreign processes 16->162 33 svchost.exe 16->33         started        37 3 other processes 16->37 39 4 other processes 18->39 signatures6 process7 dnsIp8 106 195.58.39.94, 17811, 21, 24906 FLEX-ASRU Russian Federation 20->106 116 4 other IPs or domains 20->116 96 C:\Users\user\AppData\Local\...\svchost.exe, PE32 20->96 dropped 128 Tries to steal Mail credentials (via file / registry access) 20->128 130 Installs a global keyboard hook 20->130 41 svchost.exe 1 20->41         started        132 Uses schtasks.exe or at.exe to add and modify task schedules 25->132 134 Drops PE files with benign system names 25->134 44 conhost.exe 25->44         started        98 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 27->98 dropped 100 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 27->100 dropped 46 conhost.exe 27->46         started        52 2 other processes 29->52 108 64.185.227.155, 443, 49712 WEBNXUS United States 31->108 118 2 other IPs or domains 31->118 48 svchost.exe 31->48         started        110 173.231.16.77, 443, 49717 WEBNXUS United States 33->110 112 api.ipify.org 33->112 136 System process connects to network (likely due to code injection or exploit) 33->136 138 Tries to harvest and steal browser information (history, passwords, etc) 33->138 50 svchost.exe 33->50         started        54 4 other processes 35->54 56 4 other processes 37->56 114 api.ipify.org 39->114 58 4 other processes 39->58 file9 signatures10 process11 signatures12 140 Antivirus detection for dropped file 41->140 142 Multi AV Scanner detection for dropped file 41->142 144 Machine Learning detection for dropped file 41->144 60 cmd.exe 41->60         started        62 cmd.exe 41->62         started        64 cmd.exe 41->64         started        66 svchost.exe 41->66         started        146 Injects a PE file into a foreign processes 50->146 68 cmd.exe 50->68         started        74 3 other processes 50->74 70 cmd.exe 54->70         started        72 cmd.exe 54->72         started        76 2 other processes 54->76 process13 process14 78 conhost.exe 60->78         started        80 schtasks.exe 60->80         started        82 conhost.exe 62->82         started        84 conhost.exe 64->84         started        90 2 other processes 68->90 92 2 other processes 70->92 86 conhost.exe 72->86         started        94 2 other processes 74->94 88 conhost.exe 76->88         started       
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2023-04-14 06:51:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: SetClipboardViewer
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
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
AgentTesla
Unpacked files
SH256 hash:
f47a183f8a7853ea10ef1bd7b1df5c298c37cb0af9566036a3155314b6069d7d
MD5 hash:
1ae4591c09200f0def2fd870b768f530
SHA1 hash:
19d530be70b6c42f691ae911fe469c32c1748f82
SH256 hash:
761304b05b62edeb96840c120a53d44f9af6231866a9dc01dadcad3643f0231f
MD5 hash:
77ad6e3ff909ad3828bdcffd4720deac
SHA1 hash:
40fa3c0258749db08f482efe2778911f84884b78
Malware family:
AgentTesla
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Web download

AgentTesla

Executable exe 761304b05b62edeb96840c120a53d44f9af6231866a9dc01dadcad3643f0231f

(this sample)

  
Delivery method
Distributed via web download

Comments