MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fc20300517a9adf2ef160b4758e262accb54960aac5e431abee90e7b4b8a9eb. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fc20300517a9adf2ef160b4758e262accb54960aac5e431abee90e7b4b8a9eb
SHA3-384 hash: 5977201ae16143b761505d290a5e730ff7eb83d1e4f7b802ed743637cf3c0c39fc266da118d4b00d2f9b6eb5e614f0ab
SHA1 hash: ff0f4dba61a1f4c2f5e1c989756a93ef370bd288
MD5 hash: c5dbb5066fdbe3b2c1070a49139fdc2a
humanhash: mockingbird-yankee-vegan-london
File name:New Email Added and Messages Alert.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:894'976 bytes
First seen:2021-08-19 12:59:42 UTC
Last seen:2021-08-19 14:04:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:P/Dg5pB+HC7lMPme7Eb88uOlMDrghzHQeXFWS/j754D9QZNv7:uBL7lMeEY88LMqlXFl4B0
Threatray 8'608 similar samples on MalwareBazaar
TLSH T1A415063C19B91637D1B5D365EBE58423F148985FB405AE6AACDE03A7030BA9734C723E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Email Added and Messages Alert.exe
Verdict:
Malicious activity
Analysis date:
2021-08-19 13:00:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/27d08192-7199-4ca4-9e57-dd4c2267cff1

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/180684/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.61931.914.9957.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
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
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/1e7f7abd-e98a-44fc-84f3-8091c27de455
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/835790
Signature
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468221 Sample: New Email Added and Message... Startdate: 19/08/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Yara detected AgentTesla 2->39 41 7 other signatures 2->41 7 New Email Added and Messages Alert.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\dDKCdLDVegxG.exe, PE32 7->23 dropped 25 C:\Users\...\dDKCdLDVegxG.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp9B87.tmp, XML 7->27 dropped 29 New Email Added an...sages Alert.exe.log, ASCII 7->29 dropped 43 Writes to foreign memory regions 7->43 45 Injects a PE file into a foreign processes 7->45 11 RegSvcs.exe 15 2 7->11         started        15 RegSvcs.exe 7->15         started        17 schtasks.exe 1 7->17         started        19 RegSvcs.exe 7->19         started        signatures5 process6 dnsIp7 31 us-east-1.route-1000.000webhost.awex.io 145.14.144.209, 21, 32172, 49731 AWEXUS Netherlands 11->31 33 files.000webhost.com 11->33 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->57 21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3fc20300517a9adf2ef160b4758e262accb54960aac5e431abee90e7b4b8a9eb/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-08-19 13:00:11 UTC
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h7bagacrpknn6lxrmc2hldrgflglkslavlc6imnl52iopnfyvhvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0dda8ee1b2c7ef43c297140d4a2f5fe099c8cd95da67a0d629c5c93f8f4e5c10
AgentTesla
1b80ed1165b46b410fbc236e2e19baa9e0d71b6992a41e5d30b7d70670bb2c08
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363972a28cb3e26bc9881c34d2ff911c3c2570dffea4ae7d6e54056a2a988390
AgentTesla
3917a8553293b76aedcdae977703ef047ddd3f1df1e872deae250fd1146106f2
AgentTesla
5dd92be22d005624d865ddf07402eb852426fc97baa52bbc58316690d41adb74
AgentTesla
778487cdb0077cbe811443b5247a8121c5fc7c7e23472c068eee1e41a1476745
AgentTesla
81a5ce1c2439d2dca4eabecfc150f3fa1003f570913157a74cf1c5c1737f006d
AgentTesla
92d4922b8c19be945de3640add234d12c124bed9faf7f5a0840b9571bec5abe9
AgentTesla
bcb1d4be5d90089602ec881732a69337c591f5fa07fc497490283e9cb4215b24
AgentTesla
bda8b57cfb54635dddd83ed0fb37e2c37450494b1692c0a4e5985024c009e814
AgentTesla
+ 8'598 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210819-j2lscaev7n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/587fd45d-434b-4d07-aaef-b0f83a1d9929/
SH256 hash:
e8396f348412b5eb3fc82c74048e60b1a00c64d838af1b6c2a6c4d7431cf28d9
MD5 hash:
c3c63617977553b674eb068673c143a1
SHA1 hash:
8b29361ea3b4e535c0ebac5c6b5005e4267b0870
Link:
https://www.unpac.me/results/587fd45d-434b-4d07-aaef-b0f83a1d9929/
SH256 hash:
580ed946be8e6079b2831c0b6e59b900b3509db128687f06520a86ad28068bea
MD5 hash:
0c12827af8cc235330fd44d555d5bab8
SHA1 hash:
43dd988db475db588c0c79198cd70fde30ea3db1
Link:
https://www.unpac.me/results/587fd45d-434b-4d07-aaef-b0f83a1d9929/
SH256 hash:
3fc20300517a9adf2ef160b4758e262accb54960aac5e431abee90e7b4b8a9eb
MD5 hash:
c5dbb5066fdbe3b2c1070a49139fdc2a
SHA1 hash:
ff0f4dba61a1f4c2f5e1c989756a93ef370bd288
Link:
https://www.unpac.me/results/587fd45d-434b-4d07-aaef-b0f83a1d9929/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3fc20300517a9adf2ef160b4758e262accb54960aac5e431abee90e7b4b8a9eb

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
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 3fc20300517a9adf2ef160b4758e262accb54960aac5e431abee90e7b4b8a9eb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180684/

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