MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621
SHA3-384 hash: 7a2f2c7e1dba768475d6a435d6cde4c80e40acc3a676eede0c6d2478dad0a1ef3184f284bfcbd255fa86b65644bf83ce
SHA1 hash: ccb1f1b61aa91eb71b6fa37567b23d1778d760b5
MD5 hash: 4fd23b69a770685097881ce0a9428c88
humanhash: stream-bluebird-harry-fourteen
File name:Technical Review Report_Blank_F05.CP04-01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:902'144 bytes
First seen:2023-11-15 14:18:06 UTC
Last seen:2023-11-21 09:22:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:XNWXGlenLaDb8PpSUCNrkhcLwvEzofPi0QCDw2I3mkx21V4:4jO/eczL8uoVQCDwtx21V
Threatray 1'142 similar samples on MalwareBazaar
TLSH T150156B66235BD60EDB1A0970AC1917E836F36C139554BDAF0E1271EDB2F2670F40A1FA
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)
File icon (PE):PE icon
dhash icon 71ccf0f0e8f0cc71 (6 x AgentTesla)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Technical Review Report_Blank_F05.CP04-01.exe
Verdict:
Malicious activity
Analysis date:
2023-11-15 14:19:51 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/7ba9e22e-09b4-4e22-966e-e24c984a7954

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/458728/
Detection(s):
Porcupine.Malware.58887.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
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6554d38d8dc4c0f2230bc5bd/reports/4a7d5b1f-249c-412a-840e-73ecd021f6d7/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621
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/02d551fb-69d8-4a27-ad62-80be40b32fd9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1343037
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1343037 Sample: Technical_Review_Report_Bla... Startdate: 15/11/2023 Architecture: WINDOWS Score: 100 40 mail.bezzleauto.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 8 Technical_Review_Report_Blank_F05.CP04-01.exe 7 2->8         started        12 QaVGbDrAZCc.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\QaVGbDrAZCc.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp24DC.tmp, XML 8->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 64 2 other signatures 8->64 14 RegSvcs.exe 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        58 Antivirus detection for dropped file 12->58 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.bezzleauto.com 45.151.123.240, 25, 49729, 49730 STUMPNERNETDE Germany 14->42 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-14 12:24:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbi7zhygjzzwyyutwxyna5hu7u6l6fc5bcc3tjcfhhepxvfbkyqq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
047575bd81b3dc7b788d1f33b92ccd8e42804e7bb9b578246a1284d0e565a6b9
AgentTesla
777c4e75052752ee1f5ccad536e28dc1bc5d8436892bbbcc86a7cf69d581ab8f
AgentTesla
8992f05844656419027980e08a09950c5162846b52277dc662b4866dcfa18871
AgentTesla
c49d3c572cd0b818ced382d46198cd833015f79459b10e2cb4caee1bd18f5e72
AgentTesla
f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa
AgentTesla
+ 1'132 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231115-rmtywsbc73/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/9e21cd51-9d75-464d-a2a1-43da8326370b/
SH256 hash:
3d1148dc52177e1f163bb60c86af84ce761507656b60e249459345f4c4062052
MD5 hash:
eba3422e77389a38f238f9098b86e5ff
SHA1 hash:
c9446ec3b10ac1834afee0bd762c760510f15382
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
Link:
https://www.unpac.me/results/9e21cd51-9d75-464d-a2a1-43da8326370b/
Parent samples :
f35c56911d58753abb244cf6c07e780fdb30de306e454fedc8e20dd230b71ffa
6c3aa6c7804d75cd98888500430589c9996bd681881fdac1850590343ab4d13d
c49d3c572cd0b818ced382d46198cd833015f79459b10e2cb4caee1bd18f5e72
b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621
f112d1e7c8414255846131a14109ae12e45ad65296bd014601d0a83c9ea90cb2
7045c1465bc70e0f8a8eaac0515b457496c9641e7ce11fdbc1dab8e8ee08426e
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
Link:
https://www.unpac.me/results/9e21cd51-9d75-464d-a2a1-43da8326370b/
SH256 hash:
d448e9e4b753fcc0ec17d50436dbaf59591c07df9f9f7449cd703f7dbc3ebece
MD5 hash:
2d1230356fb99c87da776b691c135040
SHA1 hash:
34dcab9075401907cc76c7d241384f083013ba4e
Link:
https://www.unpac.me/results/9e21cd51-9d75-464d-a2a1-43da8326370b/
SH256 hash:
b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621
MD5 hash:
4fd23b69a770685097881ce0a9428c88
SHA1 hash:
ccb1f1b61aa91eb71b6fa37567b23d1778d760b5
Link:
https://www.unpac.me/results/9e21cd51-9d75-464d-a2a1-43da8326370b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b051fc9f064e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b051fc9f064e736c6293b5f0d074f4fd3cbf145d0885b9a44539c8fbd4a15621

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: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_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

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/458728/

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