MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6. 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 3 File information Comments

SHA256 hash: 6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6
SHA3-384 hash: b35a383ac068e62b266c6d3f962a118bdb0f10283bc23d573c1789f1ade9506d0518ecd045203a06e7a9af3dabc290ca
SHA1 hash: d9bc90927fd7b905aa565f0155acef13237cdce0
MD5 hash: 4eb6592b14426d668a528688c0c615ac
humanhash: hot-thirteen-aspen-single
File name:SecuriteInfo.com.Win32.RATX-gen.14055.31447
Download: download sample
Signature AgentTesla
File size:739'840 bytes
First seen:2023-04-30 19:33:02 UTC
Last seen:2023-05-13 22:57:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:AOaIsCGzr+7+kQa6W1yS5jjhckxXYqI4tk4fUlb/Xse2:TwW7+PxGt7ZJZK/Xse
Threatray 621 similar samples on MalwareBazaar
TLSH T1C9F47D63B025CADBDD7137B4815DE3756E61DC16E140F0A07AC93C8BFAB63E11E8816A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
295
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.14055.31447
Verdict:
Malicious activity
Analysis date:
2023-04-30 19:35:21 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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Result
Verdict:
UNKNOWN
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
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
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 856752 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 30/04/2023 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 7 other signatures 2->72 7 SecuriteInfo.com.Win32.RATX-gen.14055.31447.exe 7 2->7         started        11 vXrlcwxXLK.exe 5 2->11         started        13 UmajCN.exe 2->13         started        15 UmajCN.exe 2->15         started        process3 file4 46 C:\Users\user\AppData\...\vXrlcwxXLK.exe, PE32 7->46 dropped 48 C:\Users\...\vXrlcwxXLK.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp6363.tmp, XML 7->50 dropped 52 SecuriteInfo.com.W...14055.31447.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 SecuriteInfo.com.Win32.RATX-gen.14055.31447.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 vXrlcwxXLK.exe 11->26         started        28 schtasks.exe 11->28         started        96 Injects a PE file into a foreign processes 13->96 30 UmajCN.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 54 api4.ipify.org 173.231.16.77, 443, 49695, 49698 WEBNXUS United States 17->54 56 api.telegram.org 149.154.167.220, 443, 49696, 49697 TELEGRAMRU United Kingdom 17->56 58 api.ipify.org 17->58 42 C:\Users\user\AppData\Roaming\...\UmajCN.exe, PE32 17->42 dropped 44 C:\Users\user\...\UmajCN.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 api.ipify.org 26->60 80 Installs a global keyboard hook 26->80 38 conhost.exe 28->38         started        62 64.185.227.155, 443, 49699 WEBNXUS United States 30->62 64 api.ipify.org 30->64 82 Tries to harvest and steal browser information (history, passwords, etc) 30->82 40 conhost.exe 32->40         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-30 17:50:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
15 of 36 (41.67%)
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6198912739:AAFWwPOzcAOeh_bttxtGKKR_RIR4wgbcmQU/
Unpacked files
SH256 hash:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
SH256 hash:
af0925e4c632166ff87032bc43ea4f85a3805db3782a49724d125f44c0731114
MD5 hash:
b9897ba5e468e516e162fd3790a9ddbc
SHA1 hash:
db264c796e4a36a45af11e8a7bf71cf0dadce0f0
SH256 hash:
1394971bf98ce8170ea9db8c2159171d780d55c685e32589cd498276860a046f
MD5 hash:
22f107f65d25493df1f6390e84013e0a
SHA1 hash:
d690a43091c3e9f86c89ceac10f47a9f494de5e9
Detections:
AgentTeslaXorStringsNet
SH256 hash:
0d5ae510b89ecfd570fd5df7dfd959618040fade4bcd594938726b2841569015
MD5 hash:
b195ddf9571822e25c970625ba9e4769
SHA1 hash:
7a40b637bd57738c7da86c0a7166ba76b091e371
SH256 hash:
18b65e5934e6f6dcfe735cbd3afc99bcf761960a484a485272ce7f78bfb4f300
MD5 hash:
69e8fe3a6954bbce4819dd14075f50f7
SHA1 hash:
44f98b7c2ed4e2dbe5e655857d2ae0c20fe77ab7
SH256 hash:
6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6
MD5 hash:
4eb6592b14426d668a528688c0c615ac
SHA1 hash:
d9bc90927fd7b905aa565f0155acef13237cdce0
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Comments