MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a. 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
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SHA256 hash: 5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a
SHA3-384 hash: 095dfb0954afa612080474355288f9837c20aa4fe7e662d0842bb57b17d4981b65b834e4b1b458fb74a10ac483174694
SHA1 hash: 55deeefcb19f2584248deaa0c7a53fc8fbcb55d7
MD5 hash: 3050dad5399374e22b0f70c92c58be91
humanhash: bulldog-muppet-uniform-summer
File name:vbc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:693'760 bytes
First seen:2023-04-25 11:42:53 UTC
Last seen:Never
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:y2TlEYAcN8pPgOJwCCvfXsJH3LzVkib6RzNOU5qNV+:NzGYOJwCCnXIWDhqNo
Threatray 523 similar samples on MalwareBazaar
TLSH T15EE43C29AAAA99D7D179B271CDF54514F3F3C8027121DE2B6EE701844703F836AC17AE
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
261
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2023-04-25 11:44:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3d3f934f-3d12-4759-a7c5-ce6900b759a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/384783/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.18355.3507.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6447bcc7809528e43aab5d56/reports/3e18707d-4e08-47c9-8c96-9f97f6bbde85/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/88dae3cb-709e-42ff-8b9e-3a7099111d0e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1220649
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 853602 Sample: vbc.exe Startdate: 25/04/2023 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 8 other signatures 2->58 7 vbc.exe 6 2->7         started        11 gcWPrHZ.exe 5 2->11         started        13 gcWPrHZ.exe 2->13         started        15 XHdAzTo.exe 3 2->15         started        process3 file4 44 C:\Users\user\AppData\Roaming\XHdAzTo.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpB960.tmp, XML 7->46 dropped 48 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 7->48 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 7->70 72 Injects a PE file into a foreign processes 7->72 17 vbc.exe 2 5 7->17         started        22 schtasks.exe 1 7->22         started        74 Antivirus detection for dropped file 11->74 76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 24 gcWPrHZ.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        28 gcWPrHZ.exe 11->28         started        30 gcWPrHZ.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 50 us2.smtp.mailhostbox.com 208.91.199.223, 49697, 49699, 49700 PUBLIC-DOMAIN-REGISTRYUS United States 17->50 40 C:\Users\user\AppData\Roaming\...\gcWPrHZ.exe, PE32 17->40 dropped 42 C:\Users\user\...\gcWPrHZ.exe:Zone.Identifier, ASCII 17->42 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Tries to steal Mail credentials (via file / registry access) 17->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->64 34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        66 Tries to harvest and steal browser information (history, passwords, etc) 30->66 38 conhost.exe 32->38         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-04-25 11:42:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lgencg4dii6p2sgrefzs4fsvgncd5csrq26ih73zmwlarq2ykwna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4250c2787cb484a030495a28dfbe00899b8a18f0ab1aa8550ac8317e3dd9f44e
AgentTesla
5f96b8f9f8017b0e1061bca5915de149e5e715bd5213d787b1660ddcd6bd8bcf
AgentTesla
71bb21d0c0cd50a53a292e523455a0b270fa255f63cd132395fded0d91c447d4
AgentTesla
9dae0685d3f0af089704c4b032d79696500de70d2ea1e2cbcecbc54e2c5f956c
AgentTesla
be81f14108d40f1cefe1f68b86b50fa34457ccb564810b4a2d744e8d872526fe
AgentTesla
d538a85c02623761ca0db6c48607202b30dfb20389182704900c778f6dc32b35
AgentTesla
d5b4018736e8ded7a665f2051a05e9fdd53e379eceee4c62abff955dbb5e4554
AgentTesla
+ 513 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230425-nvkhmsab59/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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
Uses the VBS compiler for execution
AgentTesla
Unpacked files
SH256 hash:
4262d19ed0d03438ac3cb9fdf41892cff06c17a0311e305eadf3a1a9a810f0b7
MD5 hash:
dfa692f16bafebe8df48ad2c8befe068
SHA1 hash:
c25d4700064237943f88f393c050be0603423c36
Link:
https://www.unpac.me/results/840432e8-70f1-4be5-ab21-0e9dd417ed94/
SH256 hash:
aecc4329e8761c80d9f107298a27303c5eb7abbd735f37b06785c8436dbbf7ea
MD5 hash:
b389f7504a5fd70eaf821458668ee1de
SHA1 hash:
bf36fd00b13eaf899d40d917ce6a89f5a170494c
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/840432e8-70f1-4be5-ab21-0e9dd417ed94/
Parent samples :
b6d0953157868a8702d0503d4e5303d208b6b8653d09bd76ec03b7c6c8f2f273
eb6e19ad2d2857d66c3c83696ab30c1ec626c40a463c858b89ffc70b280baf75
5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a
5e5c1a11d54b8ba5d9f76f68599cf3854eb77fffc00cad21a33e8d5a79268894
21cc3a0dca0b425b501cdb9ed42bda259843cfc1a997d3d08fbe9efa45776ae2
ea040b1b5f2777c07c5c620f3526d9ef9257e594911245713a2e6457de238160
5b3f12dc47ef49f67d5818abdbdc233b8ed994756dd5f881822e6452660058d8
6b534e2e8806b6916275d013d60a55058f945b7bc58c3c55796f20d7fe0705b8
e7e0689ace455992d052b1c39c3edb903bc4477358f4ecb8fb0fff62f8d2561e
SH256 hash:
ea8d4c91ec5bba5e1db6c17730d7ba5cdbb5ff3c1a777f70c90e91ce599d9b5d
MD5 hash:
27f5124bf8f451bca8d8a15c73c4f521
SHA1 hash:
5fd557e109b8fd1c3b362b64f0ba9f1600c07211
Link:
https://www.unpac.me/results/840432e8-70f1-4be5-ab21-0e9dd417ed94/
SH256 hash:
5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a
MD5 hash:
3050dad5399374e22b0f70c92c58be91
SHA1 hash:
55deeefcb19f2584248deaa0c7a53fc8fbcb55d7
Link:
https://www.unpac.me/results/840432e8-70f1-4be5-ab21-0e9dd417ed94/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5988d11b8342/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/5988d11b83423cfd48d121732e165533443e8a5186bc83ff79659608c358559a

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/384783/

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