MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a3bc2efcecdd25c5257e19e630b5785dc9e8ebb259773d40d2fc4c19e377285. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: 6a3bc2efcecdd25c5257e19e630b5785dc9e8ebb259773d40d2fc4c19e377285
SHA3-384 hash: dd4caabdd6eab2c244b0fffc13c96a0476de119009991b1a23d44815f0cc7fffe5fe6a255f8c75007cda765c7b5d3627
SHA1 hash: be1a12931620e5e982bc7f3fb7d6c4d09d85ff74
MD5 hash: 3b08a8842f9e44dedac40cf4175adc74
humanhash: washington-saturn-illinois-lima
File name:惟聖-PO#230707023-加勤(直送巧勤).exe
Download: download sample
Signature AgentTesla
File size:588'288 bytes
First seen:2023-07-18 06:39:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:VqTrQaSejL8ZNoUqYFIO+1f2tdpYuZTgi41Ba7Gy9OplC4PaGoMP2dIDvLLJOFKO:VqTrQaSejL8ZNoUTFIO+Rgdpjcik47G6
Threatray 4'972 similar samples on MalwareBazaar
TLSH T112C4DF39513C83AFEB43DBB6E434259222F013A25BF3938D8C7A246F3E79538A1545B5
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
270
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
惟聖-PO#230707023-加勤(直送巧勤).exe
Verdict:
Suspicious activity
Analysis date:
2023-07-18 06:49:38 UTC
Tags:
n/a

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 file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Gathering data
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
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1274889 Sample: #U60df#U8056-PO#230707023-#... Startdate: 18/07/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Found malware configuration 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 6 other signatures 2->76 7 #U60df#U8056-PO#230707023-#U52a0#U52e4(#U76f4#U9001#U5de7#U52e4).exe 7 2->7         started        11 hGByDZCHxOEhCJ.exe 5 2->11         started        13 VPIjaM.exe 4 2->13         started        15 VPIjaM.exe 3 2->15         started        process3 file4 50 C:\Users\user\AppData\...\hGByDZCHxOEhCJ.exe, PE32 7->50 dropped 52 C:\...\hGByDZCHxOEhCJ.exe:Zone.Identifier, ASCII 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmpDDF1.tmp, XML 7->54 dropped 56 #U60df#U8056-PO#23...5de7#U52e4).exe.log, ASCII 7->56 dropped 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 92 Adds a directory exclusion to Windows Defender 7->92 17 #U60df#U8056-PO#230707023-#U52a0#U52e4(#U76f4#U9001#U5de7#U52e4).exe 2 10 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        26 #U60df#U8056-PO#230707023-#U52a0#U52e4(#U76f4#U9001#U5de7#U52e4).exe 7->26         started        94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 28 hGByDZCHxOEhCJ.exe 11->28         started        30 schtasks.exe 1 11->30         started        36 2 other processes 11->36 32 VPIjaM.exe 13->32         started        34 schtasks.exe 13->34         started        signatures5 process6 dnsIp7 58 208.91.199.223, 49715, 587 PUBLIC-DOMAIN-REGISTRYUS United States 17->58 60 smtp.nicoene-tech.com 17->60 68 2 other IPs or domains 17->68 46 C:\Users\user\AppData\Roaming\...\VPIjaM.exe, PE32 17->46 dropped 48 C:\Users\user\...\VPIjaM.exe:Zone.Identifier, ASCII 17->48 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        62 smtp.nicoene-tech.com 28->62 84 Installs a global keyboard hook 28->84 42 conhost.exe 30->42         started        64 208.91.199.224, 49719, 49720, 587 PUBLIC-DOMAIN-REGISTRYUS United States 32->64 66 smtp.nicoene-tech.com 32->66 86 Tries to harvest and steal browser information (history, passwords, etc) 32->86 44 conhost.exe 34->44         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-17 03:39:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Unpacked files
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
1d9a6bf4dfe7772404cb5ce7973d5da6c109fef6c8d441d01dcf07eee6a04c41
MD5 hash:
416764a114a92b6e35cf1eb47be96be6
SHA1 hash:
6febb3515f94f280380547116754d65fdc07f10c
Detections:
AgentTeslaXorStringsNet
SH256 hash:
8eff4278ce549e4b7003310a800b5466f2a5c117b618ac03aa4d577142493719
MD5 hash:
22519e5742dec6e3401aadd96fd31bc0
SHA1 hash:
5f61680a0f11eb5e58d74b48754b20dc29e6ab45
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
6a3bc2efcecdd25c5257e19e630b5785dc9e8ebb259773d40d2fc4c19e377285
MD5 hash:
3b08a8842f9e44dedac40cf4175adc74
SHA1 hash:
be1a12931620e5e982bc7f3fb7d6c4d09d85ff74
Malware family:
AgentTesla.v4
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:AgentTeslaV4
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Malspam

AgentTesla

Executable exe 6a3bc2efcecdd25c5257e19e630b5785dc9e8ebb259773d40d2fc4c19e377285

(this sample)

  
Delivery method
Distributed via e-mail attachment

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