MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd48b3a67ab61431928bff75ec0dd6a64bae646306b68109ef6e02afbf2e4d46. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: dd48b3a67ab61431928bff75ec0dd6a64bae646306b68109ef6e02afbf2e4d46
SHA3-384 hash: fdb20764fda7c0b6a5d903810bf794c9ed7b0b3c8650e9d462fe96e480168574019494b7836d8512bc61de98d54fda65
SHA1 hash: 1209ef24ec29a09b8de7368de4afa10015361a8c
MD5 hash: 280fef052126101db988a479c7bb3e63
humanhash: jersey-alanine-ten-queen
File name:banking details.exe
Download: download sample
Signature AgentTesla
File size:1'311'232 bytes
First seen:2020-09-25 10:00:33 UTC
Last seen:2020-09-25 14:48:05 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 24576:HIiZucOaCrYz4jEmW/g+vRrwsv7+mbSLk5jOGN2yOukc:ocyrKmW/PxR7D5jOGrk
Threatray 10'656 similar samples on MalwareBazaar
TLSH 5055F02032A93B09D1BC4BB00555B4B6C3B555263652D798BF9322FEAAF17C17E21F0B
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
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
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 (e.g. based on Emerging Threat rules)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file 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: 289943 Sample: banking details.exe Startdate: 25/09/2020 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Antivirus detection for dropped file 2->68 70 12 other signatures 2->70 8 banking details.exe 6 2->8         started        12 gKWBf.exe 4 2->12         started        15 gKWBf.exe 5 2->15         started        process3 dnsIp4 50 C:\Users\user\AppData\...\UbKSHOAvxcL.exe, PE32 8->50 dropped 52 C:\Users\user\AppData\Local\...\tmpEC88.tmp, XML 8->52 dropped 54 C:\Users\user\...\banking details.exe.log, ASCII 8->54 dropped 84 Injects a PE file into a foreign processes 8->84 17 banking details.exe 2 5 8->17         started        22 schtasks.exe 1 8->22         started        62 192.168.2.1 unknown unknown 12->62 24 gKWBf.exe 12->24         started        26 schtasks.exe 12->26         started        28 gKWBf.exe 12->28         started        86 Antivirus detection for dropped file 15->86 88 Multi AV Scanner detection for dropped file 15->88 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->90 92 2 other signatures 15->92 30 schtasks.exe 15->30         started        32 gKWBf.exe 15->32         started        file5 signatures6 process7 dnsIp8 56 yitaipackaging.com 35.213.167.237, 49721, 49737, 587 GOOGLEUS United States 17->56 58 mail.yitaipackaging.com 17->58 44 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 17->44 dropped 46 C:\Windows\System32\drivers\etc\hosts, ASCII 17->46 dropped 48 C:\Users\user\...\gKWBf.exe:Zone.Identifier, ASCII 17->48 dropped 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->72 74 Tries to steal Mail credentials (via file access) 17->74 76 Modifies the hosts file 17->76 34 reg.exe 17->34         started        36 conhost.exe 22->36         started        60 mail.yitaipackaging.com 24->60 78 Tries to harvest and steal ftp login credentials 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->82 38 conhost.exe 26->38         started        40 conhost.exe 30->40         started        file9 signatures10 process11 process12 42 conhost.exe 34->42         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-25 02:17:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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
Unpacked files
SH256 hash:
dd48b3a67ab61431928bff75ec0dd6a64bae646306b68109ef6e02afbf2e4d46
MD5 hash:
280fef052126101db988a479c7bb3e63
SHA1 hash:
1209ef24ec29a09b8de7368de4afa10015361a8c
SH256 hash:
650a792251fbbbf618e8ff05f7f499a3947b259893a64e51b95b6ab2535adbac
MD5 hash:
c6e9d6dc63ab0a3811ae3d56b623d3eb
SHA1 hash:
5cfc5c461b4deace4986fd9843ec3b624185bce5
SH256 hash:
729a1b125fb330463c22a87c061e384300f49bd9d6793836bb3e52bcb61cc03f
MD5 hash:
ac3f427e66b28b013b0b651c2f71d1e9
SHA1 hash:
ddf8b4b1d36aced75740632b41d30add06b5db3d
SH256 hash:
081dc7af98fe601e09d81a4698f0df119ac612be1984f1d365b4cd9c21f550a1
MD5 hash:
b93b3060e307336a9ebfc45611ced91d
SHA1 hash:
f448f6ae0f2d239dcdcbdf091b5bf33badea539d
Detections:
win_agent_tesla_w1
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe dd48b3a67ab61431928bff75ec0dd6a64bae646306b68109ef6e02afbf2e4d46

(this sample)

Comments