MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8. 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: 18


Intelligence 18 IOCs YARA 17 File information Comments
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SHA256 hash: 2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
SHA3-384 hash: 4c4bb401e9c62ba14e67b33e1c2b1c904546e9adda3688c0946ad0dce5a79bdc91d630afca9efb6a5a15ef93e15e798b
SHA1 hash: eef1fd6d024daaf4b9ed9af79e705deb4550f5e5
MD5 hash: 1b66af68f8a9493ac8426fb7d2e27659
humanhash: potato-sad-cola-burger
File name:SecuriteInfo.com.Win32.PWSX-gen.24055.12922
Download: download sample
Signature AgentTesla
Create hunting rule
File size:727'552 bytes
First seen:2024-03-06 10:28:01 UTC
Last seen:2024-03-11 14:26:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:NBt6AA/jOONWf1suK/obWDr3r8pKWwI4+FRTdJKjZkYAZCYjxu8DDLK:wD/jOK21LPCDMpFwIVKWYAZCI
TLSH T106F4F141B3F81F1AEABE9BF5613411140BF6656BB6F5E30C4DC460DA2DB5F018A92B23
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
331
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8.exe
Verdict:
Malicious activity
Analysis date:
2024-03-06 10:31:04 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/252e8baa-46b1-4c49-8ac8-be66a35fc108

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.32647.1528.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Sending a custom TCP request
Stealing user critical data
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/65e84532d8af30e1b849934f/reports/63cf6d83-1a57-447b-a0c6-d167b68947ad/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9f7362f1-658a-4f55-8b3a-a70f9a3bb1af
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403939
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403939 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 06/03/2024 Architecture: WINDOWS Score: 100 42 mail.wecaresvc.com 2->42 44 wecaresvc.com 2->44 46 ip-api.com 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 10 other signatures 2->58 8 SecuriteInfo.com.Win32.PWSX-gen.24055.12922.exe 7 2->8         started        12 ezScjGcNEVc.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\ezScjGcNEVc.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpD8EF.tmp, XML 8->40 dropped 60 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->64 72 3 other signatures 8->72 14 SecuriteInfo.com.Win32.PWSX-gen.24055.12922.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 70 Injects a PE file into a foreign processes 12->70 24 ezScjGcNEVc.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 ip-api.com 208.95.112.1, 49732, 49736, 80 TUT-ASUS United States 14->48 50 wecaresvc.com 103.138.106.17, 49733, 49737, 587 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 14->50 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->74 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8/
Threat name:
ByteCode-MSIL.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2024-03-06 10:29:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fopsbjtiecauttcucvfh3ijdqyqocjbdcd2aacqrtcyuybdgwk4a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240306-mhm8bsab45/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
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:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/617bee49-fbf1-4a89-8c9c-c1ae61153f89/
SH256 hash:
b71208861384226004766dd5592edbb76a9604f93e5dc8d75a2424e767bea1ac
MD5 hash:
22e99efa3d44c1ec354e377b8e27faee
SHA1 hash:
9287e5db8d85112a1986f8e9928bcddfffd01b0c
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/617bee49-fbf1-4a89-8c9c-c1ae61153f89/
Parent samples :
bebb26a32c9db65ecd6e60f671873d09d5bc0e2321d3bac4651ec8c40c704058
2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
81ea5e0ffd1905e775255d57d6a3661516506c1433132292958da3b0916bbf4b
68864134a67842ac2f863dfd92ec6ad6567571a436663b0bceda9e2ef0222de2
569f0d5aa49829d1b73b49dd9dab911ba5bb9e5697b62e1ef9fc0c1825ffbba6
fb7cddcabe7defcc11937a7c8d0672a6f65c3135574e1c71a0e772e9d1f19311
e97625746360793777ab1d7dc32d4259332c7f3c81a441eb7850234aabfdf23d
SH256 hash:
cc45d14b5d02db62cf8cbb81c17d158b6187d65325e6d6880b7087fe09474baf
MD5 hash:
e77c0dce4425604ec1a4b4128ff3e67b
SHA1 hash:
5253c10a9aed18632519367de1d4fcd90997c7f7
Link:
https://www.unpac.me/results/617bee49-fbf1-4a89-8c9c-c1ae61153f89/
SH256 hash:
996efd1a33d04923f83df8ffc31191b10b6a15ef56d8961351673c74416f7506
MD5 hash:
95046bfbc193c1faa89d6a32c870082c
SHA1 hash:
0c707a044df00706628eff48e982d29006c59aeb
Link:
https://www.unpac.me/results/617bee49-fbf1-4a89-8c9c-c1ae61153f89/
SH256 hash:
2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8
MD5 hash:
1b66af68f8a9493ac8426fb7d2e27659
SHA1 hash:
eef1fd6d024daaf4b9ed9af79e705deb4550f5e5
Link:
https://www.unpac.me/results/617bee49-fbf1-4a89-8c9c-c1ae61153f89/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b9f20a66820/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/2b9f20a668208149cc54154a7da1238620e1242310f4000a1198b14c0466b2b8

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments