MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bd1401d752c9805d3fca26fd7ee5ee1b7368e96735b9a09b769a428e6d6dd82. 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 16 File information Comments

SHA256 hash: 3bd1401d752c9805d3fca26fd7ee5ee1b7368e96735b9a09b769a428e6d6dd82
SHA3-384 hash: 6b6a07e309b82cf22cb04ddd895131f8a5d05514495b99de367c0f24c79453de1ae0ce26303de04ac4519e5b103c34bc
SHA1 hash: fd45bf9ae62f649909f97fff0ba2f08e1758e9b2
MD5 hash: b6e2581f84466b9ecd9b7640e267d091
humanhash: kitten-indigo-carpet-eleven
File name:SecuriteInfo.com.Win32.TrojanX-gen.20142.21101
Download: download sample
Signature AgentTesla
File size:715'264 bytes
First seen:2024-03-09 16:26:27 UTC
Last seen:2024-03-12 15:41:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:lhKcFtImAFhU7/uyrm6eBPjkPbcjhQC3nudrvOw08FH6buYAPfzifsH:lhK061FhU9rm/PojSNudr2w08FHkRA3f
Threatray 446 similar samples on MalwareBazaar
TLSH T1AAE4127032FD9B69D2BE5BF8996061444FF2616B3812E38C4DE274CED9B9F418620B17
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 :
5
# of downloads :
322
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
3bd1401d752c9805d3fca26fd7ee5ee1b7368e96735b9a09b769a428e6d6dd82.exe
Verdict:
Malicious activity
Analysis date:
2024-03-09 16:32:28 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
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
Forced shutdown of a system process
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
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1405941 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 09/03/2024 Architecture: WINDOWS Score: 100 42 mail.hhipune.com 2->42 44 api.ipify.org 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 10 other signatures 2->56 8 SecuriteInfo.com.Win32.TrojanX-gen.20142.21101.exe 7 2->8         started        12 bHkrggdsV.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\bHkrggdsV.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp6D52.tmp, XML 8->40 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Writes to foreign memory regions 8->60 62 Allocates memory in foreign processes 8->62 68 2 other signatures 8->68 14 RegSvcs.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        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 mail.hhipune.com 85.187.128.52, 49710, 49714, 587 A2HOSTINGUS United States 14->46 48 api.ipify.org 104.26.12.205, 443, 49709, 49713 CLOUDFLARENETUS United States 14->48 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->72 74 Tries to steal Mail credentials (via file / registry access) 14->74 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        76 Tries to harvest and steal browser information (history, passwords, etc) 24->76 36 conhost.exe 26->36         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2024-03-09 11:14:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
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 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:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
SH256 hash:
3e84443516e6582e8273ddcb839a4466d3d85ee1b2f87e4686f01f0d45dc0918
MD5 hash:
e49d6ff037234c017d1f596c48dd91df
SHA1 hash:
8c525b54734691cdf47a4b55518ca43ae1311ee5
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:
9625d49492360d38480c325eda052e98bc5e074df65332e50d99f222e09080f0
MD5 hash:
aed1820dc359d37776e1f1dc1421e9fa
SHA1 hash:
5438c5097d6891f8a5a3de90e2024d1cbf6d3c9f
SH256 hash:
9aa48de823cf7201cb998b51cc9ecd56a565ae2c4ec48211579dcb69afecf245
MD5 hash:
b9655e52289b474acb9e4ea64d5af16a
SHA1 hash:
2be46bbc15c03c198eb433ef4794219adde17d10
SH256 hash:
3bd1401d752c9805d3fca26fd7ee5ee1b7368e96735b9a09b769a428e6d6dd82
MD5 hash:
b6e2581f84466b9ecd9b7640e267d091
SHA1 hash:
fd45bf9ae62f649909f97fff0ba2f08e1758e9b2
Malware family:
AgentTesla
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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.

Malspam

AgentTesla

Executable exe 3bd1401d752c9805d3fca26fd7ee5ee1b7368e96735b9a09b769a428e6d6dd82

(this sample)

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