MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61e617222671bb531f25efd53cfc40311283984ef4d1366dc747a913e8294f40. 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: 17


Intelligence 17 IOCs YARA 17 File information Comments

SHA256 hash: 61e617222671bb531f25efd53cfc40311283984ef4d1366dc747a913e8294f40
SHA3-384 hash: db6e661fa9fb0b5ce6d5e548b126f4288dcba8ca47818d13b4257b06c57ea8ce9be094db9c4d94634d2db5e67c1bca0c
SHA1 hash: 724826a9cfe9e19ad5a7c94168e1fc78a5614d91
MD5 hash: 919ef76a71736049d91204e72e708bc4
humanhash: august-pluto-echo-white
File name:PDF Order no. 20242902-70611 05.03.2024. - DIV GROUP.PDF.img.bat
Download: download sample
Signature AgentTesla
File size:826'368 bytes
First seen:2024-03-06 09:01:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:eGgL02iNBykEgfuV1d5hknTg6sHyrAdRDAbFyJvGG1IWjbsCgTIL0SLJaxzBiCST:eGgI141d3wDObJvBjQjBi0fiCSN
Threatray 525 similar samples on MalwareBazaar
TLSH T120051202A3E85A68F7FF87BB1AF6E41157F374929622E36E0AC590CA4C317C1454E363
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 threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
61e617222671bb531f25efd53cfc40311283984ef4d1366dc747a913e8294f40.exe
Verdict:
Malicious activity
Analysis date:
2024-03-06 09:04:57 UTC
Tags:
evasion agenttesla stealer

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
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade 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
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403879 Sample: PDF  Order no. 20242902-706... Startdate: 06/03/2024 Architecture: WINDOWS Score: 100 42 us2.smtp.mailhostbox.com 2->42 44 ip-api.com 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 15 other signatures 2->56 8 PDF  Order no. 20242902-70611 05.03.2024. - DIV GROUP.PDF.img.bat.exe 7 2->8         started        12 EQQJYnVu.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\RoamingQQJYnVu.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp62A5.tmp, XML 8->40 dropped 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->58 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 PDF  Order no. 20242902-70611 05.03.2024. - DIV GROUP.PDF.img.bat.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        26 2 other processes 8->26 64 Multi AV Scanner detection for dropped file 12->64 66 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->68 22 EQQJYnVu.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 46 ip-api.com 208.95.112.1, 49732, 49736, 80 TUT-ASUS United States 14->46 48 us2.smtp.mailhostbox.com 208.91.198.143, 49733, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->48 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        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        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-03-05 14:11:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
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
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
SH256 hash:
37fa87ecc377949f9178f4e917c16f358149e9e5b375cf9d59ea46e9d36eaac8
MD5 hash:
5979daa89f62739462e9d7733a54ce12
SHA1 hash:
b1137afc7f94da77be4ae35ba990ec7822a6f56b
SH256 hash:
f44789732556cabb8e96eb2855d824c13fbab1b3314d1cbcc8cff35a46bd8970
MD5 hash:
78f51a98ae949ba1f97ce61a0564d2f0
SHA1 hash:
7e784e9557d42dcd835acc1f2b126d91f8bfa7e0
SH256 hash:
b67fd79a0a14d5e3aca0367018b70a4afb20fa26970a6780af57de49d40f5a29
MD5 hash:
26263d1e27d175692315f40959a38c85
SHA1 hash:
7d54b2a9dfca5897d9bb00b4a6a01b2e26a134c8
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_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
61e617222671bb531f25efd53cfc40311283984ef4d1366dc747a913e8294f40
MD5 hash:
919ef76a71736049d91204e72e708bc4
SHA1 hash:
724826a9cfe9e19ad5a7c94168e1fc78a5614d91
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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_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 61e617222671bb531f25efd53cfc40311283984ef4d1366dc747a913e8294f40

(this sample)

  
Delivery method
Distributed via e-mail attachment

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