MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80. 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 18 File information Comments
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SHA256 hash: 36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80
SHA3-384 hash: cf6b7785e2e613fdaa0f0b3c5c566b7b2b2b04ef304c25e29cbb14f222ef4fa778749e8ba2699dda86133a845a2c7ad7
SHA1 hash: 48ca59be094aadf12576d958631fadeaf236c447
MD5 hash: 260eb60d87b6adcd4fcfe0060b502e10
humanhash: sad-tango-jig-mockingbird
File name:Urgent BW Quotation Request - 20 Feb - SFOWRN5.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:743'432 bytes
First seen:2024-02-21 14:06:13 UTC
Last seen:2024-02-21 15:22:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:4dR1rEwTHHThOI1TrDHPrybsgkx7g6hd6sQanJglYvlY61gPq1CkR:M9EWHtDbH0sgIhdX5JglYv661gi3
Threatray 335 similar samples on MalwareBazaar
TLSH T174F4235333E90562EFBEEFB56574850A0BB2781A7931DBDD0CE840CDA5E1F906920B27
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)
File icon (PE):PE icon
dhash icon 4d4d0b0f0f0f0f0f (5 x AgentTesla, 1 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80.exe
Verdict:
Malicious activity
Analysis date:
2024-02-21 14:26:08 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/11227df0-65dc-4cc6-a233-5a4b72cb7b49

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/477313/
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65d6038dc5e1a083fbf3fb58/reports/9ef9ae1f-fb91-4133-9531-a0d9113ffe32/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80
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/643acb06-62d1-4063-954b-a665e40ebbc3
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1396206
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Powershell Base64 Encoded MpPreference Cmdlet
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1396206 Sample: Urgent BW  Quotation Reques... Startdate: 21/02/2024 Architecture: WINDOWS Score: 100 42 mail.tadbirdrilling.com 2->42 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 14 other signatures 2->52 8 Urgent BW  Quotation Request - 20 Feb - SFOWRN5.exe 7 2->8         started        12 JeCwddtbbJbqD.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\JeCwddtbbJbqD.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp8D5F.tmp, XML 8->40 dropped 54 Adds a directory exclusion to Windows Defender 8->54 56 Injects a PE file into a foreign processes 8->56 14 Urgent BW  Quotation Request - 20 Feb - SFOWRN5.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 Multi AV Scanner detection for dropped file 12->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->60 62 Machine Learning detection for dropped file 12->62 24 JeCwddtbbJbqD.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 44 mail.tadbirdrilling.com 217.172.98.231, 49709, 49712, 587 PARSCYBERIAN-ASIR Iran (ISLAMIC Republic Of) 14->44 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->64 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 22:20:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g34zb477ln543r7kzciq5tjqlyb3r2miucrud4sewfvctdrtdoaa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
4e6f22754b821f8870cc30809cd60cd3535653072f22356d7958fae2fe48df78
AgentTesla
5e8119622389d8ee840a2e9429a31d5fad907bd25c2fff9e81f969a6111af092
AgentTesla
91b03fbfec8d0fb1c1e6bb9ceb9893f26807c160809bcb8d71f2217960399e30
AgentTesla
944a34c9c5e8dd2bf34e0508da7d8edc34856cbd1f92aee8118461270984e41c
AgentTesla
+ 325 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/240221-rey8mshb92/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/548f1adb-f8a5-4888-8a61-f14936e190ec/
SH256 hash:
e47fad776269de5cc2968cb6dea4d1d3ee99d48d54a06a8567db94630691d6ab
MD5 hash:
49d303eeb562ef999a16b0076553c0b9
SHA1 hash:
c3ce2b6c0ce7ba3c9267bcbcfc5feccdd101409f
Link:
https://www.unpac.me/results/548f1adb-f8a5-4888-8a61-f14936e190ec/
SH256 hash:
66fbe439408e2a763e50d8aac863a256f77830105e9147c42a9310bff90af4ba
MD5 hash:
68caa25bb825b8172950c4b95fc833c2
SHA1 hash:
665aa9f3855630dd9ff9b62372e793b1bb259e27
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_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/548f1adb-f8a5-4888-8a61-f14936e190ec/
Parent samples :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 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
Link:
https://www.unpac.me/results/548f1adb-f8a5-4888-8a61-f14936e190ec/
SH256 hash:
42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b
MD5 hash:
100a8095e042378d2c227eb0ff37b6d4
SHA1 hash:
32c4a6457d7c01e9e135c3750d571114bc0ef3a0
Link:
https://www.unpac.me/results/548f1adb-f8a5-4888-8a61-f14936e190ec/
SH256 hash:
36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80
MD5 hash:
260eb60d87b6adcd4fcfe0060b502e10
SHA1 hash:
48ca59be094aadf12576d958631fadeaf236c447
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/548f1adb-f8a5-4888-8a61-f14936e190ec/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/36f990f3ff5b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/36f990f3ff5b7bcdc7eac8910ecd305e03b8e988a0a341f244b16a298e331b80

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/477313/

Comments