MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54
SHA3-384 hash: d37d3d3edaa0ea0dfcc2adcc10d9bdb243f7538f4f755b26bf819bdb773a6e251092fdecb9cfcb96570b1757c5030a83
SHA1 hash: a051a5f8263d3dd97e0a236604eacc239ab504bf
MD5 hash: 4aade2ffe8f9b876159cc8db9d23564d
humanhash: two-low-ack-vermont
File name:QDGS140625 Format BL.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:974'848 bytes
First seen:2023-01-18 19:26:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:7gLepD6b3ewHdqonjNJFdEb7rOL/9hSyV5XPD:7gLNb/rI7UD5PD
TLSH T14825BEE1025DC7E5E8F60E380628391467A99C97837DA17EBEC7547B84F674F40B83A2
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 Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
QDGS140625 Format BL.exe
Verdict:
Malicious activity
Analysis date:
2023-01-18 19:29:40 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/b525845f-c1e0-48f0-a158-c3dc98777ce3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/354240/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1772.1784.19693.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63c8480881817f6f4dc48e40/reports/a498b845-78a0-46e1-a24d-5c562da79815/overview
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/9cf292a8-e973-4e4f-b690-8cf66aebe811
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1154133
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 786862 Sample: QDGS140625 Format BL.exe Startdate: 18/01/2023 Architecture: WINDOWS Score: 100 58 api.telegram.org 2->58 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 14 other signatures 2->66 8 QDGS140625 Format BL.exe 7 2->8         started        12 UGuDsvDlR.exe 5 2->12         started        14 NXLun.exe 2->14         started        16 NXLun.exe 2->16         started        signatures3 process4 file5 50 C:\Users\user\AppData\Roaming\UGuDsvDlR.exe, PE32 8->50 dropped 52 C:\Users\...\UGuDsvDlR.exe:Zone.Identifier, ASCII 8->52 dropped 54 C:\Users\user\AppData\Local\...\tmp5C73.tmp, XML 8->54 dropped 56 C:\Users\...\QDGS140625 Format BL.exe.log, ASCII 8->56 dropped 72 Adds a directory exclusion to Windows Defender 8->72 74 Injects a PE file into a foreign processes 8->74 18 QDGS140625 Format BL.exe 2 5 8->18         started        22 powershell.exe 21 8->22         started        24 schtasks.exe 1 8->24         started        26 QDGS140625 Format BL.exe 8->26         started        76 Multi AV Scanner detection for dropped file 12->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->78 80 Machine Learning detection for dropped file 12->80 28 UGuDsvDlR.exe 2 12->28         started        30 schtasks.exe 1 12->30         started        82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->82 32 schtasks.exe 14->32         started        34 NXLun.exe 14->34         started        signatures6 process7 file8 44 C:\Users\user\AppData\Roaming\...44XLun.exe, PE32 18->44 dropped 46 C:\Windows\System32\drivers\etc\hosts, ASCII 18->46 dropped 48 C:\Users\user\...48XLun.exe:Zone.Identifier, ASCII 18->48 dropped 68 Modifies the hosts file 18->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->70 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 30->40         started        42 conhost.exe 32->42         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-16 09:41:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfwsbjnvmtj37vb3xcrhmzc7y2apjbe3h7z6wthfyuju4ju4p5ka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230118-x5376sga58/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1611551445:AAFDJ3yQMlB3zXJGib2_TFkq1jedBMj3GTw/sendDocument
Unpacked files
SH256 hash:
cf2ee8a65730359cbdfad4c5776e648ac2852a28bbc0fd9c967197a3b61bca0a
MD5 hash:
11d78e9c5f3fb8b6dc44c5d8e45a54d0
SHA1 hash:
f431bc5bae01d50a303eae181b720dfc70f72e22
Link:
https://www.unpac.me/results/4350fbd4-4d0b-44db-9dff-2862691e75d4/
SH256 hash:
4414998ba6569d46d2aef19d8f591406e6da259bed73dfc9bdf3411eab083872
MD5 hash:
5f20782abc89039be415d4a524275684
SHA1 hash:
38e0b52af25fbd7db8c2c832c6319da1c07f207f
Link:
https://www.unpac.me/results/4350fbd4-4d0b-44db-9dff-2862691e75d4/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/4350fbd4-4d0b-44db-9dff-2862691e75d4/
SH256 hash:
1bbcbf90fa609940c5df3abb051fd529b89048d99a647498798d70c15024a7e8
MD5 hash:
93bfbb40c2eb46aecbf71542b7fa68a4
SHA1 hash:
051bc9d7dca6c48f6a1d312938e17b6a080595c3
Link:
https://www.unpac.me/results/4350fbd4-4d0b-44db-9dff-2862691e75d4/
SH256 hash:
1133ebdd4a9e4fe36b9860f676c523e0a9f7419b345bc29cd5cbfd4cfc800e3b
MD5 hash:
6000c65c92c57aacb254a0086b11c94f
SHA1 hash:
0445ffce0d85572af354edfe744a3762440f5c9b
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/4350fbd4-4d0b-44db-9dff-2862691e75d4/
Parent samples :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 hash:
b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54
MD5 hash:
4aade2ffe8f9b876159cc8db9d23564d
SHA1 hash:
a051a5f8263d3dd97e0a236604eacc239ab504bf
Link:
https://www.unpac.me/results/4350fbd4-4d0b-44db-9dff-2862691e75d4/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b16d20a5b564/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 b16d20a5b564d3bfd43bb8a276645fc680f4849b3ff3eb4ce5c5134e269c7f54

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/354240/

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