MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84c7973871a6a639c40534f9e3fd7135bd35cd1b0eee937cc849af90c903c4c2. 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 2 File information Comments

SHA256 hash: 84c7973871a6a639c40534f9e3fd7135bd35cd1b0eee937cc849af90c903c4c2
SHA3-384 hash: d3c50d7b50233115130a94337e11018499ef40fd69afd96bf76455f7d4f6e5a3794413671c9c70ab584bff3a49fb3a87
SHA1 hash: 0b9fc2790c28f0e0242795d8fc88baeec93c6cf8
MD5 hash: cbb8ae2926569d4e29f476201d640bfd
humanhash: one-green-fruit-king
File name:84c7973871a6a639c40534f9e3fd7135bd35cd1b0eee937cc849af90c903c4c2
Download: download sample
Signature AgentTesla
File size:702'464 bytes
First seen:2023-05-09 12:13:39 UTC
Last seen:2023-05-13 22:45:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:+Trvbf3YaCjKNW7NsrtPvIdw0T5uJzGDFtn:M3YbeNyNsNvqw04JzUz
TLSH T1CFE4F43C19BDE22BD1B8C6A58FD18427F790A46F3111EEE5ACD247958326E1235C723E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
248
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
84c7973871a6a639c40534f9e3fd7135bd35cd1b0eee937cc849af90c903c4c2
Verdict:
Malicious activity
Analysis date:
2023-05-09 12:13:28 UTC
Tags:
n/a

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

Behaviour
Creating a window
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
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862140 Sample: xvt6pVUWtA.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 4 other signatures 2->72 7 xvt6pVUWtA.exe 7 2->7         started        11 NLOPJZpNvJ.exe 5 2->11         started        13 TvBAw.exe 2->13         started        15 TvBAw.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\...46LOPJZpNvJ.exe, PE32 7->46 dropped 48 C:\Users\...48LOPJZpNvJ.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp3F29.tmp, XML 7->50 dropped 52 C:\Users\user\AppData\...\xvt6pVUWtA.exe.log, ASCII 7->52 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->84 86 May check the online IP address of the machine 7->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 7->88 90 Adds a directory exclusion to Windows Defender 7->90 17 xvt6pVUWtA.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        92 Multi AV Scanner detection for dropped file 11->92 94 Machine Learning detection for dropped file 11->94 26 NLOPJZpNvJ.exe 11->26         started        28 schtasks.exe 11->28         started        30 TvBAw.exe 15->30         started        32 schtasks.exe 15->32         started        signatures5 process6 dnsIp7 54 mail.meplinpiston.com 77.245.148.42, 49700, 49701, 49705 NIOBEBILISIMHIZMETLERITR Turkey 17->54 56 api4.ipify.org 104.237.62.211, 443, 49699, 49704 WEBNXUS United States 17->56 58 api.ipify.org 17->58 42 C:\Users\user\AppData\Roaming\...\TvBAw.exe, PE32 17->42 dropped 44 C:\Users\user\...\TvBAw.exe:Zone.Identifier, ASCII 17->44 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->74 76 Tries to steal Mail credentials (via file / registry access) 17->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->78 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        60 173.231.16.77, 443, 49703 WEBNXUS United States 26->60 62 api.ipify.org 26->62 80 Tries to harvest and steal browser information (history, passwords, etc) 26->80 82 Installs a global keyboard hook 26->82 38 conhost.exe 28->38         started        64 api.ipify.org 30->64 40 conhost.exe 32->40         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-04-28 21:41:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
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:
58d2780bac07a53fa9ef0099c386ad23c2c5b83df99e18bbcca9895f829ef5d8
MD5 hash:
3a6ac846fbf56df68c3cb61cd18c7623
SHA1 hash:
e5b7f4e47b357f330b33330663ff5739a02d442f
SH256 hash:
ed9373662eeb8bd1e1908a51de1796c45e93c6d8f7626abb039460ccfc18141c
MD5 hash:
dfa63e2b7915c2743bc3f3fdbea8ebed
SHA1 hash:
d22e58809467db33afadbfd9052ce8dd109a5018
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
SH256 hash:
d6d966860d5af5f31dfa386c125dee1cefae60f57d331e8f0196963d75e4fdfb
MD5 hash:
4622f158deeb9bc49005bdde211d0b27
SHA1 hash:
599852d13f716f8db60003218f0cf4d2653586da
Detections:
AgentTeslaXorStringsNet
SH256 hash:
e94385b0f5a74ccc333da15942ed37c9acf41c061ebb29a4f48b919e02610a1e
MD5 hash:
40080971681505ea429e1edd47a1c78e
SHA1 hash:
096c66189401b1b1fde618421640cee49a48c2be
SH256 hash:
84c7973871a6a639c40534f9e3fd7135bd35cd1b0eee937cc849af90c903c4c2
MD5 hash:
cbb8ae2926569d4e29f476201d640bfd
SHA1 hash:
0b9fc2790c28f0e0242795d8fc88baeec93c6cf8
Malware family:
AgentTesla.v4
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.

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