MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c85501725c96d78ecd8fee67af11a0435c60251c6c63260edc47fb2e41f4437c. 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 4 File information Comments

SHA256 hash: c85501725c96d78ecd8fee67af11a0435c60251c6c63260edc47fb2e41f4437c
SHA3-384 hash: 08f6989a5ebf1354f66f37190c16640cb5ee413f9b77e8ab2f01d17cd8d64ccff89e036a2e9919e0f394dffa13efe1c1
SHA1 hash: e1d3426d3d090b9c1d80ceb1e673c5d7834f22a9
MD5 hash: dd94a04abf2a4038e02104070674f3b7
humanhash: louisiana-music-carpet-shade
File name:YtVCrCwtmvkn1ux.exe
Download: download sample
Signature AgentTesla
File size:742'912 bytes
First seen:2023-08-17 12:50:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:g2iNsXDl+CslWk5FV59kFomcBtifBVHmrU5EkXuHa3cyaekhmgp0skn:g1gADucgmA2kXuAkhjcn
Threatray 5'532 similar samples on MalwareBazaar
TLSH T16EF41224226A9A3EC5BD93F5388158113FB8852FC069DE964FDA34CF7974B6803C356B
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 lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
YtVCrCwtmvkn1ux.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 12:52:44 UTC
Tags:
agenttesla stealer

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
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1292741 Sample: YtVCrCwtmvkn1ux.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 6 other signatures 2->53 7 YtVCrCwtmvkn1ux.exe 7 2->7         started        11 VZuGAeTfjX.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\VZuGAeTfjX.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpCA78.tmp, XML 7->37 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 YtVCrCwtmvkn1ux.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 19 7->19         started        21 schtasks.exe 1 7->21         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 65 Injects a PE file into a foreign processes 11->65 23 VZuGAeTfjX.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 39 mail.vsu.am 13->39 41 vsu.am 62.89.5.185, 49714, 49746, 587 GNC-ALFAGNCAlfaCJSCRostelecomArmeniaAM Armenia 13->41 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        43 mail.vsu.am 23->43 45 192.168.2.1 unknown unknown 23->45 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->67 69 Tries to steal Mail credentials (via file / registry access) 23->69 71 Tries to harvest and steal browser information (history, passwords, etc) 23->71 33 conhost.exe 25->33         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Suspicious
First seen:
2023-08-17 12:51:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
deca0be3dd5530bdb429cfa9cb3429b3c3cfd854505972dc7f9c5afd188eaca8
MD5 hash:
4beb86f561fe27601ad059da8047bb97
SHA1 hash:
b67fdd7a2aa497a56c0c2afc540826928275027c
SH256 hash:
6e828f98d625a3c21fe0856a822f63c3757202cfa99e96b446b84f95bcf2dc33
MD5 hash:
25c76b94dbf10cbfc68cf73154eff8ac
SHA1 hash:
6d5a562013a5bdb5fb899b75e6fbe964e51e7de7
Detections:
AgentTesla
SH256 hash:
b26a7e88c2fc5a6dbf3e1f5d8ac59c4579b3b9047f462c5cb7ee79548fa18da9
MD5 hash:
06dc1333af7361fb9ebebe5c4dbe58e4
SHA1 hash:
1adadf881904c5370e96c0a566085cf3c83ca8d0
SH256 hash:
c85501725c96d78ecd8fee67af11a0435c60251c6c63260edc47fb2e41f4437c
MD5 hash:
dd94a04abf2a4038e02104070674f3b7
SHA1 hash:
e1d3426d3d090b9c1d80ceb1e673c5d7834f22a9
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 c85501725c96d78ecd8fee67af11a0435c60251c6c63260edc47fb2e41f4437c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments