MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f
SHA3-384 hash: d4d7273048adfaabde92fdac53711f2fede8afd23802991e19aab0d78800bdbb8368c7719ba6fe76d7dd40bb90265b6b
SHA1 hash: 576f766a44b166047bf45fc0eb7e72720b158945
MD5 hash: 117cf301fd45b3609546abcd5906f9aa
humanhash: bakerloo-eighteen-massachusetts-violet
File name:8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f
Download: download sample
Signature AgentTesla
Create hunting rule
File size:712'192 bytes
First seen:2024-04-04 10:28:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:qOShCy4ftZMORtZgSxx5r1EmpNbuFZhS3uuDNCnw9xtDkJ+DxbwdIiMmram0C:BSUhXiS9qmpGhS1QytW+DxMGXKam
Threatray 484 similar samples on MalwareBazaar
TLSH T130E401026BE8AA0AF4BFA7F424609104137A7413B9B7DB9C4FD8E0DF1A35B414E52B57
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) (4504/4/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
328
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f
Verdict:
Malicious activity
Analysis date:
2024-04-04 10:27:43 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/4b7f02c6-aebb-42b6-ac43-cb2f55b9f46a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Setting a keyboard event handler
Moving a file to the Program Files subdirectory
Replacing files
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/660e80f99faf4f34a742f1c7/reports/492c5b34-a257-48dc-8fb5-e33ce10c4159/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f
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/8874a64c-2e19-4bca-afab-aa1a60bba371
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1420077
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1420077 Sample: RlTooRWTbL.exe Startdate: 04/04/2024 Architecture: WINDOWS Score: 100 40 mail.funworld.co.id 2->40 42 funworld.co.id 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 8 other signatures 2->52 8 RlTooRWTbL.exe 7 2->8         started        12 ItZaIexNsxFXn.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\ItZaIexNsxFXn.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp644D.tmp, XML 8->38 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 14 RlTooRWTbL.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        26 2 other processes 8->26 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 22 ItZaIexNsxFXn.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 44 funworld.co.id 180.235.148.163, 49733, 49736, 587 ARDH-AS-IDARDHGLOBALINDONESIAPTID Indonesia 14->44 66 Installs a global keyboard hook 14->66 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 34 conhost.exe 24->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-03-14 07:49:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rvfigq37kuvron5ea27j3g26j5ertinnx6hbh6bgcqi5ooinmbhq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
11d7212106c1e7d65ca5b3a3d6c197775e224c151b89900de265e6efcbb68322
AgentTesla
b224c93b27774068d0c1a5e0ba7e744ff382c96ef02b2626fd434d1686f35e3a
AgentTesla
bae5ed6add08d579870023e6fc2cd35289f616cbbe258c69360f0e0e022221a4
AgentTesla
+ 474 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/240404-mh8h9sda78/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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/f17c2182-04a8-46e0-b1e1-aa92ea300fc6/
SH256 hash:
8f1fd8cce54ebd05e647d40b22294a2a2e66e22bfa4959bcb58c040fbc38b42d
MD5 hash:
cb29d0ddd54f97791de162f43fb2b7d5
SHA1 hash:
87af48d0ae5406f2e49faee09f67a18f5ccd4e4c
Link:
https://www.unpac.me/results/f17c2182-04a8-46e0-b1e1-aa92ea300fc6/
SH256 hash:
e6b25e7250cdd5f75ec51545b9105bdf202d880898ec9c4cd75c131d9262e1d0
MD5 hash:
0c01ecddd3880a71ee7b626706813efb
SHA1 hash:
37eecee4ca36bb984095155b6a3a2e640f452e0d
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/f17c2182-04a8-46e0-b1e1-aa92ea300fc6/
Parent samples :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 hash:
04547a7f48508fefd40b774e1e95b1b062047479a22cf5bb697d024fac8014c0
MD5 hash:
e3d11e0394e7a09845d191c93802daf2
SHA1 hash:
0d0c326898f453f6f74666715ae5453a0b605a69
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/f17c2182-04a8-46e0-b1e1-aa92ea300fc6/
Parent samples :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 hash:
8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f
MD5 hash:
117cf301fd45b3609546abcd5906f9aa
SHA1 hash:
576f766a44b166047bf45fc0eb7e72720b158945
Link:
https://www.unpac.me/results/f17c2182-04a8-46e0-b1e1-aa92ea300fc6/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8d4a83437f55/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/8d4a83437f552b1737a406be9d9b5e4f4919a1adbf8e13f8261411d7390d604f

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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
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.

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