MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 811a8a070c378c06d99c7d719dd149ba3af15124cbcdb3d1e42dc56238dc022e. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments 1

SHA256 hash: 811a8a070c378c06d99c7d719dd149ba3af15124cbcdb3d1e42dc56238dc022e
SHA3-384 hash: d3279b13bd454925499521e41b6f4f703261fd6581eff4f86ebc096a8f171e0a329a61a2164cf80a61d34e4b85db101c
SHA1 hash: 6f74c416c8e72a46133173a2215b298d0c94bf42
MD5 hash: c110453bcf012eb83207e03d4e514e76
humanhash: oregon-winner-ten-oranges
File name:c110453bcf012eb83207e03d4e514e76
Download: download sample
Signature AgentTesla
File size:908'288 bytes
First seen:2024-01-31 11:28:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:wFwwFLrvr5JARcCKXhdQ7K4Mfo68bshF:oPfvr5SRcCMhL40ab
TLSH T1C715DF9C3210B6EFC857CE729A685C64EA6074BB531BD203A45316ADAE0DAD7CF141F3
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
340
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
36ae48d1d7ad2078be4544bf86f2a5ee3512c7ce131ec0a06602ebe9e95d5e7a.xls
Verdict:
Malicious activity
Analysis date:
2024-01-31 11:05:38 UTC
Tags:
phishing phishing-xls opendir loader exploit cve-2017-11882 stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
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)
Detected unpacking (changes PE section rights)
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: MSBuild connects to smtp port
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Silenttrinity Stager Msbuild Activity
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
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384030 Sample: i94djyoVyo.exe Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 42 officeemailbackup.com 2->42 44 mail.officeemailbackup.com 2->44 46 5 other IPs or domains 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 13 other signatures 2->58 8 i94djyoVyo.exe 7 2->8         started        12 SruvEiNLRxNnnj.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\SruvEiNLRxNnnj.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpE02D.tmp, XML 8->40 dropped 60 Detected unpacking (changes PE section rights) 8->60 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Writes to foreign memory regions 8->64 72 3 other signatures 8->72 14 MSBuild.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 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 MSBuild.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 48 officeemailbackup.com 179.43.183.46, 49708, 49711, 587 PLI-ASCH Panama 14->48 50 api4.ipify.org 64.185.227.156, 443, 49706, 49710 WEBNXUS United States 14->50 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->74 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->76 78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 82 Installs a global keyboard hook 24->82 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-01-31 10:58:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
2be65bc746480ca20d649f03d606ee08e46a19cc025244d21b2b5e12f001ee20
MD5 hash:
bf8aaa283bbaa6d93479c91de99a7246
SHA1 hash:
fa9ecd82eafd2336fac4cd99c4a09d112fbd37bc
SH256 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
SH256 hash:
a7097659d0b8886c761709d7309bf378a7fbc7a325e2d1f4e7a1113698344f4f
MD5 hash:
d5c69b521525fc9e0ad51e65154c63aa
SHA1 hash:
9f9b885250ce857678b0941217f213d9f103f7e0
SH256 hash:
1201590b570f63b06d59e54d0465f9d25fa93b82b8a953580b1ed36a1fd29a79
MD5 hash:
e60e42992cff5991398de71cb52ff5a9
SHA1 hash:
809bf8bb1439866560e8372bde77184f797e5c2d
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
518c5755b6d44a4e6dc2dfe808c2aeec2f7d4a7a076802b4cb2f5f79b4730181
MD5 hash:
9465383c0c2e2826017f5aa38e929225
SHA1 hash:
27ef0d9cb467db93040705d8e64789ee7c027610
SH256 hash:
811a8a070c378c06d99c7d719dd149ba3af15124cbcdb3d1e42dc56238dc022e
MD5 hash:
c110453bcf012eb83207e03d4e514e76
SHA1 hash:
6f74c416c8e72a46133173a2215b298d0c94bf42
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

AgentTesla

Executable exe 811a8a070c378c06d99c7d719dd149ba3af15124cbcdb3d1e42dc56238dc022e

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-31 11:28:59 UTC

url : hxxp://107.175.243.133/3150/conhost.exe