MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4ef113e3f1b97986e0bb90ad6e9c2621c1adeaffb34cb317b25417332adb37. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments

SHA256 hash: fc4ef113e3f1b97986e0bb90ad6e9c2621c1adeaffb34cb317b25417332adb37
SHA3-384 hash: 1e1b466a96e8593aca3bc6a18be5d409a986301a1a4b557079a6189c3979ef6991c3a979a3e27ae7376e061848e2eda5
SHA1 hash: 63d3f16ef99ce6e2876b41ecb50eec3b2cd47ad8
MD5 hash: a340818ff30c9e67bdd3ca639d8b7303
humanhash: mango-don-berlin-beer
File name:hTG8K3DYJVA9r9g.exe
Download: download sample
Signature AgentTesla
File size:842'240 bytes
First seen:2021-09-27 09:39:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:d9Dms40Goq+o54H5wMDwr8wOyP6gZB2dKD/qgeIeXyoBtkyU94/GZ4pLzjebtZ8s:N2lIFQF+GQgHvFICznVCP6eFlsm7+5
Threatray 10'276 similar samples on MalwareBazaar
TLSH T1F905BE08A3AC9B4DC5BF83FAB00341181772EE4B3E4DD6099EC631E91E75BB1495789B
File icon (PE):PE icon
dhash icon f8d888c898a89098 (8 x Loki, 4 x NanoCore, 4 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
hTG8K3DYJVA9r9g.exe
Verdict:
Malicious activity
Analysis date:
2021-09-27 09:41:00 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
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
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 strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 491236 Sample: hTG8K3DYJVA9r9g.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 hTG8K3DYJVA9r9g.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\xVBlyzHZHfH.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpDE3E.tmp, XML 7->25 dropped 27 C:\Users\user\...\hTG8K3DYJVA9r9g.exe.log, ASCII 7->27 dropped 39 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 3 other signatures 7->45 11 hTG8K3DYJVA9r9g.exe 2 7->11         started        14 powershell.exe 25 7->14         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 29 192.168.2.1 unknown unknown 14->29 19 conhost.exe 14->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-09-27 09:32:00 UTC
AV detection:
10 of 45 (22.22%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot2046248941:AAG5Z0PyWwtApmPaysBm59voK10ec9Rgnaw/sendDocument
Unpacked files
SH256 hash:
5d8b103deaa39a876e598fb204504d328ca9fd11af8813a3252e8e12a89481f8
MD5 hash:
4dcc0309668530fad1f69eca62742a12
SHA1 hash:
cabf05039ccef1fa8a9c3c63b3800378cbe7b240
SH256 hash:
ca3dfa9e3505b597ebfb1ae7d5a635f30ef1af96656e9e2cebcb6177fcc37822
MD5 hash:
b2c1c1e075a0de210a97d8ed55098262
SHA1 hash:
74e04d42350a8ce9400333b026533d8d42b7a6eb
SH256 hash:
e79b0adc5d8751c57390a8033ed0bb7d633f88a99618a8e9864d224fe41f2feb
MD5 hash:
eef60d28bac2e5df1ddced410587894a
SHA1 hash:
547f02b253aa091e35d3187bc9d25eee16574521
SH256 hash:
efd2f7657839b252c2fb8489c1ccf610b8e57b471efe049de86a74bc1506775d
MD5 hash:
c3f3e4a9e9ab54bf847a9fc02e7a2160
SHA1 hash:
0853bec33e36ede763927cda0f03129ca763bc07
SH256 hash:
9b106b03c397c60750cd72209d18587224b927111373bf3de8b86d5cdf02762d
MD5 hash:
2eb09c744ebb85d01ae6c1f1cd40b6c5
SHA1 hash:
18e578f2c04444433ae632a7d0984a8c41de4dad
SH256 hash:
fc4ef113e3f1b97986e0bb90ad6e9c2621c1adeaffb34cb317b25417332adb37
MD5 hash:
a340818ff30c9e67bdd3ca639d8b7303
SHA1 hash:
63d3f16ef99ce6e2876b41ecb50eec3b2cd47ad8
Malware family:
Agent Tesla v3
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe fc4ef113e3f1b97986e0bb90ad6e9c2621c1adeaffb34cb317b25417332adb37

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments