MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20
SHA3-384 hash: 7bd2845e31df3390f61e7b3e4effb4877c6d01c37b7ea48d07b5c26983e14707c8b5cc39222593d610b2829cdf66c2d3
SHA1 hash: 848cd5ce8791e273c2ba6e94c3c472a9b10b9887
MD5 hash: f174b1148905da35a219d48ef3d5462a
humanhash: alpha-alanine-floor-bulldog
File name:BL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:654'848 bytes
First seen:2023-11-21 07:59:22 UTC
Last seen:2023-11-21 09:52:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:nu9G5Zux6LaVKRugcpjfIgRNxLobiePKsDVghJ4:u9kZkQaqurpjQgBLGpVSJ
TLSH T1C8D40101667A4F3BCAF847F6004611101BF299AF66E2F3154DCAB1E66B26F120D91F7B
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)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
330
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
BL.exe
Verdict:
Malicious activity
Analysis date:
2023-11-21 08:00:39 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/aabf2529-8fc7-4bb4-bbef-e6fc5f33bb73

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/459445/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.633.9377.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/655c638450e2a3696772a6a5/reports/41273af6-fe74-4027-b516-556aa06d1d99/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ae1738da-9c19-4224-ab9d-0038182440c9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345637
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
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)
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1345637 Sample: BL.exe Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 59 mail.premiermotor.com.bn 2->59 61 premiermotor.com.bn 2->61 63 2 other IPs or domains 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 8 other signatures 2->75 8 BL.exe 7 2->8         started        12 pHwprVChSsj.exe 5 2->12         started        14 HqAJrII.exe 2->14         started        16 HqAJrII.exe 2->16         started        signatures3 process4 file5 51 C:\Users\user\AppData\...\pHwprVChSsj.exe, PE32 8->51 dropped 53 C:\Users\user\AppData\Local\Temp\tmp2E.tmp, XML 8->53 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 BL.exe 15 2 8->18         started        22 powershell.exe 21 8->22         started        24 powershell.exe 22 8->24         started        26 schtasks.exe 1 8->26         started        91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 95 Injects a PE file into a foreign processes 12->95 28 pHwprVChSsj.exe 12->28         started        35 5 other processes 12->35 37 2 other processes 14->37 31 HqAJrII.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 65 api4.ipify.org 64.185.227.156, 443, 49708, 49711 WEBNXUS United States 18->65 67 premiermotor.com.bn 103.72.163.183, 49712, 49713, 49723 GBNETWORK-AS-APGBNetworkSolutionsSdnBhdMY Malaysia 18->67 39 conhost.exe 22->39         started        41 conhost.exe 24->41         started        43 conhost.exe 26->43         started        55 C:\Users\user\AppData\Roaming\...\HqAJrII.exe, PE32 28->55 dropped 57 C:\Users\user\...\HqAJrII.exe:Zone.Identifier, ASCII 28->57 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->77 79 Tries to steal Mail credentials (via file / registry access) 28->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->81 83 Tries to harvest and steal browser information (history, passwords, etc) 31->83 45 conhost.exe 33->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-21 06:38:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 37 (51.35%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lborban7nnbamoldgyec4dp7xkvanx6v34uvuq775ocn335wf4qa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231121-jvzkcadb28/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
6aa2b706c583388e444b84c9bb6f537b8cbedb445a452ab239282d1f8f9b9b5c
MD5 hash:
6c6f7b77b0c8b91e21e5393c264e373c
SHA1 hash:
ddb789d0c77bcb63440ee451e57bae6948b77f96
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/eb57a876-4f1a-4deb-9914-129b7cb71ada/
Parent samples :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 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/eb57a876-4f1a-4deb-9914-129b7cb71ada/
SH256 hash:
186bc47f84bd549cd52598955cdb159efc8f11c6c04ab3d72b42f2e85aeb7669
MD5 hash:
46f31ce406879d3fa817588414d40997
SHA1 hash:
86724872ac35ec0a7f2ba704c9ccb5b6120384f5
Link:
https://www.unpac.me/results/eb57a876-4f1a-4deb-9914-129b7cb71ada/
SH256 hash:
afad23042eb0f3d20510e2949066597a8b9578750cfcade66b374e7952c528e2
MD5 hash:
ac7c3d08daf4c03354d490d6ec3426b7
SHA1 hash:
24432373336ebf569cd743319cfc00378f3e348a
Link:
https://www.unpac.me/results/eb57a876-4f1a-4deb-9914-129b7cb71ada/
SH256 hash:
585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20
MD5 hash:
f174b1148905da35a219d48ef3d5462a
SHA1 hash:
848cd5ce8791e273c2ba6e94c3c472a9b10b9887
Link:
https://www.unpac.me/results/eb57a876-4f1a-4deb-9914-129b7cb71ada/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/585d1081bf6b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

AgentTesla

zip 5d00fd7e4adb5a1561f847b7466ab44b3e652bfe2b0ea30d1240dff1ac564ffa

AgentTesla

Executable exe 585d1081bf6b4206396336082e0dffbaaa06dfd5df295a43ffeb84ddefb62f20

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 5d00fd7e4adb5a1561f847b7466ab44b3e652bfe2b0ea30d1240dff1ac564ffa
Cape
Cape
https://www.capesandbox.com/analysis/459445/
  
Dropped by
MD5 f6f29e17a36d3b08bc218e8c0025c3b6

Comments